{"id":1472,"date":"2025-11-27T10:48:00","date_gmt":"2025-11-27T10:48:00","guid":{"rendered":"https:\/\/luzhongbao.com\/?p=1472"},"modified":"2025-11-27T01:53:14","modified_gmt":"2025-11-27T01:53:14","slug":"nap-ho-ga-gang-deo-ultimate-f900-cua-luzhongbao-ben-den-muc-nao","status":"publish","type":"post","link":"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-gang-deo-ultimate-f900-cua-luzhongbao-ben-den-muc-nao\/","title":{"rendered":"N\u1eafp h\u1ed1 ga b\u1eb1ng gang d\u1ebbo F900 c\u1ee7a Luzhongbao b\u1ec1n \u0111\u1ebfn m\u1ee9c n\u00e0o?"},"content":{"rendered":"

N\u1eafp h\u1ed1 ga b\u1eb1ng gang d\u1ebbo F900 \u0111\u1ea1i di\u1ec7n cho \u0111\u1ec9nh cao c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t n\u1eafp h\u1ed1 ga hi\u1ec7n nay. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i th\u1eed nghi\u1ec7m 900 kN c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 th\u1ef1c s\u1ef1 tr\u1edf th\u00e0nh m\u1ed9t "n\u1eafp h\u1ed1 ga si\u00eau c\u1ea5p". C\u1ea5p \u0111\u1ed9 n\u00e0y kh\u00f4ng ch\u1ec9 v\u01b0\u1ee3t xa c\u00e1c ti\u00eau chu\u1ea9n D400 v\u00e0 E600 th\u00f4ng th\u01b0\u1eddng m\u00e0 c\u00f2n \u0111\u1eb7t ra b\u00e0i ki\u1ec3m tra t\u1ed1i \u01b0u cho khoa h\u1ecdc v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t. N\u1eafp h\u1ed1 ga F900 ph\u1ea3i s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u gang d\u1ebbo c\u1ea5p QT700-5 ho\u1eb7c cao h\u01a1n, y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n k\u00e9o kh\u00f4ng d\u01b0\u1edbi 700 MPa, \u0111\u1ed9 b\u1ec1n ch\u1ea3y kh\u00f4ng d\u01b0\u1edbi 420 MPa, trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i tr\u00ean 5%. Nh\u1eefng ch\u1ec9 s\u1ed1 kh\u1eaft khe n\u00e0y khi\u1ebfn \u0111\u1ed9 kh\u00f3 s\u1ea3n xu\u1ea5t c\u1ee7a n\u1eafp h\u1ed1 ga F900 t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n. Trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, n\u1eafp h\u1ed1 ga F900 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng \u0111\u01a1n tr\u1ee5c tr\u00ean 90 t\u1ea5n, \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c m\u00f4i tr\u01b0\u1eddng giao th\u00f4ng kh\u1eaft khe nh\u1ea5t th\u1ebf gi\u1edbi, bao g\u1ed3m c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t nh\u01b0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng t\u1ea1i c\u1ea3ng, \u0111\u01b0\u1eddng b\u0103ng s\u00e2n bay v\u00e0 c\u00e1c c\u01a1 s\u1edf qu\u00e2n s\u1ef1 \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n

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\"\"<\/figure><\/div>\n\n\n

L\u00e0 c\u00f4ng ty c\u00f4ng ngh\u1ec7 h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh, Luzhongbao \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u1ed9t ph\u00e1 l\u1edbn trong nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&D) v\u00e0 s\u1ea3n xu\u1ea5t n\u1eafp h\u1ed1 ga F900. So v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng th\u01b0\u1eddng, Luzhongbao s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c gang d\u1ebbo QT700-5 do ch\u00ednh m\u00ecnh s\u00e1ng t\u1ea1o. Nh\u1edd t\u1ef7 l\u1ec7 th\u00e0nh ph\u1ea7n h\u1ee3p kim \u0111\u1ed9c \u0111\u00e1o v\u00e0 quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ch\u00ednh x\u00e1c, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh \u1edf m\u1ee9c 700-750 MPa, gi\u1edbi h\u1ea1n ch\u1ea3y \u0111\u1ea1t tr\u00ean 450 MPa, trong khi \u0111\u1ed9 gi\u00e3n d\u00e0i \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c tuy\u1ec7t v\u1eddi 8%-10%. \u0110\u00e1ng ch\u00fa \u00fd h\u01a1n n\u1eefa, n\u1eafp h\u1ed1 ga Luzhongbao F900 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng ph\u00e2n b\u1ed5 \u1ee9ng su\u1ea5t \u0111a chi\u1ec1u \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a th\u00f4ng qua m\u00f4 ph\u1ecfng si\u00eau m\u00e1y t\u00ednh. \u0110\u1ed9 d\u00e0y t\u1ea1i c\u00e1c ph\u1ea7n ch\u1ecbu l\u1ef1c ch\u00ednh \u0111\u1ea1t 90 mm, k\u1ebft h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf g\u00e2n gia c\u01b0\u1eddng l\u01b0\u1edbi ba chi\u1ec1u \u0111\u1eb7c bi\u1ec7t, gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c t\u1ed5ng th\u1ec3 c\u1ee7a n\u1eafp l\u00ean 50% so v\u1edbi ti\u00eau chu\u1ea9n E600. B\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh l\u1ee3i th\u1ebf k\u1ef9 thu\u1eadt tuy\u1ec7t \u0111\u1ed1i c\u1ee7a Luzhongbao trong l\u0129nh v\u1ef1c n\u1eafp h\u1ed1 ga si\u00eau ch\u1ecbu l\u1ef1c.<\/p>\n\n\n\n

N\u0103m \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a n\u1eafp h\u1ed1 ga Luzhongbao F900<\/h2>\n\n\n\n

\u0110\u1ed9t ph\u00e1 \u0111\u1ec9nh cao trong khoa h\u1ecdc v\u1eadt li\u1ec7u<\/h3>\n\n\n\n

N\u1eafp \u0111\u1eady Luzhongbao F900 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u gang d\u1ebbo QT700-5 \u0111\u1ed9t ph\u00e1. Nh\u1edd c\u00f4ng ngh\u1ec7 tinh luy\u1ec7n h\u1ea1t nano v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 c\u1ea7u h\u00f3a ch\u00ednh x\u00e1c, c\u1ea5u tr\u00fac kim lo\u1ea1i c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o. V\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn n\u00e0y v\u01b0\u1ee3t qua gi\u1edbi h\u1ea1n ch\u1ecbu l\u1ef1c 700 MPa, \u0111\u1ea1t gi\u1edbi h\u1ea1n ch\u1ea3y 450 MPa v\u00e0 duy tr\u00ec \u0111\u1ed9 c\u1ee9ng t\u1eeb 220-250 HB, \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u gi\u1eefa \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 c\u1ee9ng. So v\u1edbi n\u1eafp \u0111\u1eady E600 truy\u1ec1n th\u1ed1ng, hi\u1ec7u su\u1ea5t v\u1eadt li\u1ec7u c\u1ee7a Luzhongbao F900 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n h\u01a1n 40%, trong khi tr\u1ecdng l\u01b0\u1ee3ng ch\u1ec9 t\u0103ng 15%. T\u1ef7 l\u1ec7 s\u1ee9c b\u1ec1n tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng v\u01b0\u1ee3t tr\u1ed9i n\u00e0y cho ph\u00e9p s\u1ea3n ph\u1ea9m duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ef1c cao, \u0111\u1ed3ng th\u1eddi v\u1eabn \u0111\u1ea3m b\u1ea3o s\u1ef1 ti\u1ec7n l\u1ee3i khi l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n

Gi\u1edbi h\u1ea1n \u0111\u1ed9t ph\u00e1 trong thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u<\/h3>\n\n\n\n

V\u1ec1 m\u1eb7t thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u, n\u1eafp \u0111\u1eady Luzhongbao F900 \u00e1p d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m thi\u1ebft k\u1ebf \u0111\u1ea1t chu\u1ea9n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. Th\u00f4ng qua ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi si\u00eau m\u00e1y t\u00ednh, c\u00f4ng ty \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t "h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i \u1ee9ng su\u1ea5t b\u1ec1 m\u1eb7t cong k\u00e9p" m\u1ed9t c\u00e1ch s\u00e1ng t\u1ea1o, cho ph\u00e9p ph\u00e2n ph\u1ed1i \u1ee9ng su\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u ba chi\u1ec1u khi n\u1eafp \u0111\u1eady ch\u1ecbu t\u1ea3i. H\u1ec7 th\u1ed1ng g\u00e2n gia c\u01b0\u1eddng s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac composite "l\u01b0\u1edbi t\u1ed5 ong" \u0111\u1ed9c \u0111\u00e1o, v\u1edbi \u0111\u1ed9 d\u00e0y g\u00e2n \u0111\u1ea1t 25 mm v\u00e0 chi\u1ec1u cao \u0111\u1ea1t 80 mm \u2013 c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u1ec1u cao h\u01a1n 30% so v\u1edbi n\u1eafp \u0111\u1eady E600. D\u1eef li\u1ec7u \u0111o \u0111\u1ea1c cho th\u1ea5y khi n\u1eafp \u0111\u1eady Luzhongbao F900 ch\u1ecbu t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m 900 kN, bi\u1ebfn d\u1ea1ng t\u1ed1i \u0111a ch\u1ec9 l\u00e0 1,2 mm, th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n l\u00e0 2,5 mm, th\u1ec3 hi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u1ebft c\u1ea5u \u0111\u00e1ng kinh ng\u1ea1c.<\/p>\n\n\n\n

B\u01b0\u1edbc nh\u1ea3y v\u1ecdt v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a th\u1ebf h\u1ec7<\/h3>\n\n\n\n

N\u1eafp h\u1ed1 ga Luzhongbao F900 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u01b0\u1edbc nh\u1ea3y v\u1ecdt v\u1ec1 \u0111\u1ed9 b\u1ec1n. S\u1ea3n ph\u1ea9m \u00e1p d\u1ee5ng h\u1ec7 th\u1ed1ng ch\u1ed1ng \u0103n m\u00f2n "Triple Armor": \u0111\u1ea7u ti\u00ean, l\u1edbp m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng d\u00e0y 120\u03bcm \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean, sau \u0111\u00f3 l\u00e0 l\u1edbp s\u01a1n l\u00f3t gi\u00e0u k\u1ebdm epoxy, v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng l\u1edbp ph\u1ee7 polyurethane. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 \u0111\u00e3 v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra phun mu\u1ed1i 6000 gi\u1edd, \u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u1ed1ng \u0103n m\u00f2n cao nh\u1ea5t. V\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi, n\u1eafp h\u1ed1 ga Luzhongbao F900 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac ho\u00e0n ch\u1ec9nh sau 5 tri\u1ec7u l\u1ea7n ki\u1ec3m tra chu k\u1ef3 t\u1ea3i - d\u1eef li\u1ec7u n\u00e0y g\u1ea5p 2,5 l\u1ea7n so v\u1edbi n\u1eafp h\u1ed1 ga E600. \u0110\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 duy tr\u00ec tu\u1ed5i th\u1ecd h\u01a1n 40 n\u0103m trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t, l\u1eadp k\u1ef7 l\u1ee5c m\u1edbi trong ng\u00e0nh n\u1eafp h\u1ed1 ga.<\/p>\n\n\n

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\u0110\u1ecbnh ngh\u0129a l\u1ea1i B\u1ea3o v\u1ec7 An to\u00e0n<\/h3>\n\n\n\n

V\u1ec1 hi\u1ec7u su\u1ea5t an to\u00e0n, n\u1eafp \u0111\u1eady Luzhongbao F900 thi\u1ebft l\u1eadp m\u1ed9t ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p m\u1edbi. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng ch\u1ed1ng tr\u1ed9m "Kh\u00f3a L\u01b0\u1ee3ng T\u1eed" \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf, s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf kh\u00f3a li\u00ean \u0111\u1ed9ng 16 \u0111i\u1ec3m, v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng ph\u00e1 ho\u1ea1i v\u01b0\u1ee3t tr\u1ed9i g\u1ea5p 3 l\u1ea7n so v\u1edbi n\u1eafp \u0111\u1eady E600. B\u1ec1 m\u1eb7t n\u1eafp \u0111\u1eady \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ed1ng tr\u01b0\u1ee3t \u0111\u1ea1t chu\u1ea9n qu\u00e2n s\u1ef1, v\u1edbi \u0111\u1ed9 s\u00e2u v\u00e2n \u0111\u1ea1t 10 mm v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t kh\u00f4ng d\u01b0\u1edbi 0,75, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t tuy\u1ec7t \u0111\u1ed1i ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t. \u0110\u1eb7c bi\u1ec7t h\u01a1n, n\u1eafp \u0111\u1eady Luzhongbao F900 c\u00f2n s\u1edf h\u1eefu kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ed5 tuy\u1ec7t v\u1eddi, c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed9t m\u1ee9c \u0111\u1ed9 va \u0111\u1eadp n\u1ed5 nh\u1ea5t \u0111\u1ecbnh. \u0110\u1eb7c \u0111i\u1ec3m n\u00e0y khi\u1ebfn s\u1ea3n ph\u1ea9m tr\u1edf th\u00e0nh s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho c\u00e1c c\u00f4ng tr\u00ecnh tr\u1ecdng \u0111i\u1ec3m qu\u1ed1c gia.<\/p>\n\n\n\n

Kinh nghi\u1ec7m t\u01b0\u01a1ng lai trong v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec th\u00f4ng minh<\/h3>\n\n\n\n

N\u1eafp \u0111\u1eady Luzhongbao F900 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t th\u00f4ng minh ti\u00ean ti\u1ebfn nh\u1ea5t, c\u00f3 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t 32 th\u00f4ng s\u1ed1 ch\u00ednh theo th\u1eddi gian th\u1ef1c, bao g\u1ed3m ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng, \u1ee9ng su\u1ea5t k\u1ebft c\u1ea5u v\u00e0 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. Th\u00f4ng qua c\u00f4ng ngh\u1ec7 IoT 5G, d\u1eef li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n theo th\u1eddi gian th\u1ef1c \u0111\u1ebfn n\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd \u0111\u00e1m m\u00e2y, cho ph\u00e9p b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u1eafp \u0111\u1eady. So v\u1edbi n\u1eafp \u0111\u1eady E600, h\u1ec7 th\u1ed1ng th\u00f4ng minh c\u1ee7a Luzhongbao F900 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 b\u1ea3o tr\u00ec th\u00eam 80%, \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c d\u1ef1 \u0111o\u00e1n s\u1ef1 c\u1ed1 h\u01a1n 95% v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec th\u00eam 60%. H\u1ec7 th\u1ed1ng th\u00f4ng minh n\u00e0y c\u0169ng c\u00f3 th\u1ec3 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd \u0111\u00f4 th\u1ecb th\u00f4ng minh, cung c\u1ea5p h\u1ed7 tr\u1ee3 d\u1eef li\u1ec7u c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng cho c\u00e1c th\u00e0nh ph\u1ed1 song sinh k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n

V\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ed9t ph\u00e1 v\u00e0 hi\u1ec7u su\u1ea5t to\u00e0n di\u1ec7n v\u01b0\u1ee3t tr\u1ed9i, n\u1eafp h\u1ed1 ga gang d\u1ebbo Luzhongbao F900 \u0111\u00e3 \u0111\u1ecbnh ngh\u0129a l\u1ea1i c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ee7a ng\u00e0nh n\u1eafp h\u1ed1 ga. T\u1eeb c\u1ea7u H\u1ed3ng K\u00f4ng-Chu H\u1ea3i-Macao \u0111\u1ebfn Khu \u0111\u00f4 th\u1ecb m\u1edbi H\u00f9ng An, t\u1eeb c\u1ea3ng n\u01b0\u1edbc s\u00e2u \u0111\u1ebfn s\u00e2n bay cao nguy\u00ean, n\u1eafp h\u1ed1 ga Luzhongbao F900 \u0111ang cung c\u1ea5p s\u1ef1 \u0111\u1ea3m b\u1ea3o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1ng tin c\u1eady nh\u1ea5t cho c\u00e1c d\u1ef1 \u00e1n tr\u1ecdng \u0111i\u1ec3m c\u1ee7a qu\u1ed1c gia. S\u1ea3n ph\u1ea9m n\u1eafp h\u1ed1 ga si\u00eau c\u1ea5p n\u00e0y, \u0111\u1ea1i di\u1ec7n cho tr\u00ecnh \u0111\u1ed9 s\u1ea3n xu\u1ea5t cao nh\u1ea5t c\u1ee7a Trung Qu\u1ed1c, kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n n\u0103ng l\u1ef1c \u0111\u1ed5i m\u1edbi c\u00f4ng ngh\u1ec7 m\u1ea1nh m\u1ebd c\u1ee7a Luzhongbao m\u00e0 c\u00f2n ph\u1ea3n \u00e1nh quy\u1ebft t\u00e2m v\u00e0 s\u1ee9c m\u1ea1nh c\u1ee7a c\u00e1c doanh nghi\u1ec7p Trung Qu\u1ed1c trong vi\u1ec7c v\u01b0\u01a1n t\u1edbi \u0111\u1ec9nh cao c\u00f4ng ngh\u1ec7 th\u1ebf gi\u1edbi.<\/p>","protected":false},"excerpt":{"rendered":"

N\u1eafp c\u1ed1ng gang d\u1ebbo F900 \u0111\u1ea1i di\u1ec7n cho \u0111\u1ec9nh cao c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t n\u1eafp c\u1ed1ng hi\u1ec7n nay. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i th\u1eed nghi\u1ec7m l\u00ean \u0111\u1ebfn 900 kN bi\u1ebfn n\u00f3 th\u00e0nh m\u1ed9t "n\u1eafp c\u1ed1ng si\u00eau b\u1ec1n" th\u1ef1c s\u1ef1. Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y kh\u00f4ng ch\u1ec9 v\u01b0\u1ee3t xa c\u00e1c ti\u00eau chu\u1ea9n D400 v\u00e0 E600 th\u00f4ng th\u01b0\u1eddng m\u00e0 c\u00f2n l\u00e0 b\u00e0i ki\u1ec3m tra t\u1ed1i cao v\u1ec1 khoa h\u1ecdc v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t. [\u2026]<\/p>","protected":false},"author":2,"featured_media":1128,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[126,114,63],"class_list":["post-1472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ductile-cast-iron","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"\nHow Strong is Luzhongbao's Ultimate F900 Ductile Iron Manhole Cover News - Hubei Luzhongbao Metal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The ductile iron F900 manhole cover represents the pinnacle of current manhole cover manufacturing technology. Its test load-bearing capacity of 900 kN makes it a truly "super manhole cover." This grade not only far exceeds conventional D400 and E600 standards but also poses the ultimate test for material science, structural design, and manufacturing processes. The F900 cover must use QT700-5 grade or higher ductile iron material, requiring a tensile strength not less than 700 MPa, a yield strength not less than 420 MPa, while maintaining an elongation of over 5%. These stringent indicators cause the manufacturing difficulty of F900 covers to increase exponentially. In practical applications, the F900 cover can withstand uniaxial loads over 90 tons, sufficient to cope with the world's most demanding traffic environments, including extreme working conditions such as heavy port machinery, airport runways, and special military facilities.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-gang-deo-ultimate-f900-cua-luzhongbao-ben-den-muc-nao\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Strong is Luzhongbao's Ultimate F900 Ductile Iron Manhole Cover News - Hubei Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"The ductile iron F900 manhole cover represents the pinnacle of current manhole cover manufacturing technology. Its test load-bearing capacity of 900 kN makes it a truly "super manhole cover." This grade not only far exceeds conventional D400 and E600 standards but also poses the ultimate test for material science, structural design, and manufacturing processes. The F900 cover must use QT700-5 grade or higher ductile iron material, requiring a tensile strength not less than 700 MPa, a yield strength not less than 420 MPa, while maintaining an elongation of over 5%. These stringent indicators cause the manufacturing difficulty of F900 covers to increase exponentially. In practical applications, the F900 cover can withstand uniaxial loads over 90 tons, sufficient to cope with the world's most demanding traffic environments, including extreme working conditions such as heavy port machinery, airport runways, and special military facilities.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-gang-deo-ultimate-f900-cua-luzhongbao-ben-den-muc-nao\/\" \/>\n<meta property=\"og:site_name\" content=\"Hubei Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-27T10:48:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/luzhongbao.com\/wp-content\/uploads\/2025\/09\/wechat_2025-09-04_135711_867.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1233\" \/>\n\t<meta property=\"og:image:height\" content=\"594\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"luzhongbao\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Levi_Luzhongbao\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"luzhongbao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"headline\":\"How Strong is Luzhongbao's Ultimate F900 Ductile Iron Manhole Cover\",\"datePublished\":\"2025-11-27T10:48:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/\"},\"wordCount\":918,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/luzhongbao.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/wechat_2025-09-04_135711_867.png\",\"keywords\":[\"Ductile Cast Iron\",\"Luzhongbao\",\"Manhole Cover\"],\"articleSection\":[\"News\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/\",\"url\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/\",\"name\":\"How Strong is Luzhongbao's Ultimate F900 Ductile Iron Manhole Cover News - Hubei Luzhongbao Metal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/luzhongbao.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/wechat_2025-09-04_135711_867.png\",\"datePublished\":\"2025-11-27T10:48:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"description\":\"The ductile iron F900 manhole cover represents the pinnacle of current manhole cover manufacturing technology. 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Tin t\u1ee9c - C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m Kim lo\u1ea1i Hubei Luzhongbao","description":"N\u1eafp h\u1ed1 ga b\u1eb1ng gang d\u1ebbo F900 \u0111\u1ea1i di\u1ec7n cho \u0111\u1ec9nh cao c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t n\u1eafp h\u1ed1 ga hi\u1ec7n nay. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i th\u1eed nghi\u1ec7m 900 kN c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 th\u1ef1c s\u1ef1 tr\u1edf th\u00e0nh m\u1ed9t "n\u1eafp h\u1ed1 ga si\u00eau c\u1ea5p". C\u1ea5p \u0111\u1ed9 n\u00e0y kh\u00f4ng ch\u1ec9 v\u01b0\u1ee3t xa c\u00e1c ti\u00eau chu\u1ea9n D400 v\u00e0 E600 th\u00f4ng th\u01b0\u1eddng m\u00e0 c\u00f2n \u0111\u1eb7t ra b\u00e0i ki\u1ec3m tra t\u1ed1i \u01b0u cho khoa h\u1ecdc v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t. N\u1eafp h\u1ed1 ga F900 ph\u1ea3i s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u gang d\u1ebbo c\u1ea5p QT700-5 ho\u1eb7c cao h\u01a1n, y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n k\u00e9o kh\u00f4ng d\u01b0\u1edbi 700 MPa, \u0111\u1ed9 b\u1ec1n ch\u1ea3y kh\u00f4ng d\u01b0\u1edbi 420 MPa, trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i tr\u00ean 5%. Nh\u1eefng ch\u1ec9 s\u1ed1 kh\u1eaft khe n\u00e0y khi\u1ebfn \u0111\u1ed9 kh\u00f3 s\u1ea3n xu\u1ea5t c\u1ee7a n\u1eafp h\u1ed1 ga F900 t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n. Trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, n\u1eafp h\u1ed1 ga F900 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng \u0111\u01a1n tr\u1ee5c tr\u00ean 90 t\u1ea5n, \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c m\u00f4i tr\u01b0\u1eddng giao th\u00f4ng kh\u1eaft khe nh\u1ea5t th\u1ebf gi\u1edbi, bao g\u1ed3m c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t nh\u01b0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng t\u1ea1i c\u1ea3ng, \u0111\u01b0\u1eddng b\u0103ng s\u00e2n bay v\u00e0 c\u00e1c c\u01a1 s\u1edf qu\u00e2n s\u1ef1 \u0111\u1eb7c bi\u1ec7t.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-gang-deo-ultimate-f900-cua-luzhongbao-ben-den-muc-nao\/","og_locale":"vi_VN","og_type":"article","og_title":"How Strong is Luzhongbao's Ultimate F900 Ductile Iron Manhole Cover News - Hubei Luzhongbao Metal Products Co., Ltd","og_description":"The ductile iron F900 manhole cover represents the pinnacle of current manhole cover manufacturing technology. Its test load-bearing capacity of 900 kN makes it a truly \"super manhole cover.\" This grade not only far exceeds conventional D400 and E600 standards but also poses the ultimate test for material science, structural design, and manufacturing processes. The F900 cover must use QT700-5 grade or higher ductile iron material, requiring a tensile strength not less than 700 MPa, a yield strength not less than 420 MPa, while maintaining an elongation of over 5%. These stringent indicators cause the manufacturing difficulty of F900 covers to increase exponentially. In practical applications, the F900 cover can withstand uniaxial loads over 90 tons, sufficient to cope with the world's most demanding traffic environments, including extreme working conditions such as heavy port machinery, airport runways, and special military facilities.","og_url":"https:\/\/luzhongbao.com\/vi\/nap-ho-ga-gang-deo-ultimate-f900-cua-luzhongbao-ben-den-muc-nao\/","og_site_name":"Hubei Luzhongbao Metal Products Co., Ltd","article_published_time":"2025-11-27T10:48:00+00:00","og_image":[{"width":1233,"height":594,"url":"https:\/\/luzhongbao.com\/wp-content\/uploads\/2025\/09\/wechat_2025-09-04_135711_867.png","type":"image\/png"}],"author":"luzhongbao","twitter_card":"summary_large_image","twitter_creator":"@Levi_Luzhongbao","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"luzhongbao","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"5 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#article","isPartOf":{"@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/"},"author":{"name":"luzhongbao","@id":"https:\/\/luzhongbao.com\/#\/schema\/person\/e22c08e75b650a9d574f5aeabb3db2cf"},"headline":"How Strong is Luzhongbao's Ultimate F900 Ductile Iron Manhole Cover","datePublished":"2025-11-27T10:48:00+00:00","mainEntityOfPage":{"@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/"},"wordCount":918,"commentCount":0,"image":{"@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#primaryimage"},"thumbnailUrl":"https:\/\/luzhongbao.com\/wp-content\/uploads\/2025\/09\/wechat_2025-09-04_135711_867.png","keywords":["Ductile Cast Iron","Luzhongbao","Manhole Cover"],"articleSection":["News"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/","url":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/","name":"N\u1eafp h\u1ed1 ga gang d\u1ebbo F900 c\u1ee7a Luzhongbao b\u1ec1n \u0111\u1ebfn m\u1ee9c n\u00e0o? Tin t\u1ee9c - C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m Kim lo\u1ea1i Hubei Luzhongbao","isPartOf":{"@id":"https:\/\/luzhongbao.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#primaryimage"},"image":{"@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#primaryimage"},"thumbnailUrl":"https:\/\/luzhongbao.com\/wp-content\/uploads\/2025\/09\/wechat_2025-09-04_135711_867.png","datePublished":"2025-11-27T10:48:00+00:00","author":{"@id":"https:\/\/luzhongbao.com\/#\/schema\/person\/e22c08e75b650a9d574f5aeabb3db2cf"},"description":"N\u1eafp h\u1ed1 ga b\u1eb1ng gang d\u1ebbo F900 \u0111\u1ea1i di\u1ec7n cho \u0111\u1ec9nh cao c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t n\u1eafp h\u1ed1 ga hi\u1ec7n nay. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i th\u1eed nghi\u1ec7m 900 kN c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 th\u1ef1c s\u1ef1 tr\u1edf th\u00e0nh m\u1ed9t "n\u1eafp h\u1ed1 ga si\u00eau c\u1ea5p". C\u1ea5p \u0111\u1ed9 n\u00e0y kh\u00f4ng ch\u1ec9 v\u01b0\u1ee3t xa c\u00e1c ti\u00eau chu\u1ea9n D400 v\u00e0 E600 th\u00f4ng th\u01b0\u1eddng m\u00e0 c\u00f2n \u0111\u1eb7t ra b\u00e0i ki\u1ec3m tra t\u1ed1i \u01b0u cho khoa h\u1ecdc v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t. N\u1eafp h\u1ed1 ga F900 ph\u1ea3i s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u gang d\u1ebbo c\u1ea5p QT700-5 ho\u1eb7c cao h\u01a1n, y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n k\u00e9o kh\u00f4ng d\u01b0\u1edbi 700 MPa, \u0111\u1ed9 b\u1ec1n ch\u1ea3y kh\u00f4ng d\u01b0\u1edbi 420 MPa, trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i tr\u00ean 5%. Nh\u1eefng ch\u1ec9 s\u1ed1 kh\u1eaft khe n\u00e0y khi\u1ebfn \u0111\u1ed9 kh\u00f3 s\u1ea3n xu\u1ea5t c\u1ee7a n\u1eafp h\u1ed1 ga F900 t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n. Trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, n\u1eafp h\u1ed1 ga F900 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng \u0111\u01a1n tr\u1ee5c tr\u00ean 90 t\u1ea5n, \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c m\u00f4i tr\u01b0\u1eddng giao th\u00f4ng kh\u1eaft khe nh\u1ea5t th\u1ebf gi\u1edbi, bao g\u1ed3m c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t nh\u01b0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng t\u1ea1i c\u1ea3ng, \u0111\u01b0\u1eddng b\u0103ng s\u00e2n bay v\u00e0 c\u00e1c c\u01a1 s\u1edf qu\u00e2n s\u1ef1 \u0111\u1eb7c bi\u1ec7t.","breadcrumb":{"@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#primaryimage","url":"https:\/\/luzhongbao.com\/wp-content\/uploads\/2025\/09\/wechat_2025-09-04_135711_867.png","contentUrl":"https:\/\/luzhongbao.com\/wp-content\/uploads\/2025\/09\/wechat_2025-09-04_135711_867.png","width":1233,"height":594},{"@type":"BreadcrumbList","@id":"https:\/\/luzhongbao.com\/how-strong-is-luzhongbaos-ultimate-f900-ductile-iron-manhole-cover\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/luzhongbao.com\/"},{"@type":"ListItem","position":2,"name":"How Strong is Luzhongbao's Ultimate F900 Ductile Iron Manhole Cover"}]},{"@type":"WebSite","@id":"https:\/\/luzhongbao.com\/#website","url":"https:\/\/luzhongbao.com\/","name":"C\u00f4ng ty TNHH s\u1ea3n ph\u1ea9m kim lo\u1ea1i H\u1ed3 B\u1eafc Luzhongbao","description":"Chuy\u00ean gia v\u1ec1 n\u1eafp h\u1ed1 ga \u0111\u00e1ng tin c\u1eady tr\u00ean to\u00e0n c\u1ea7u","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/luzhongbao.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/luzhongbao.com\/#\/schema\/person\/e22c08e75b650a9d574f5aeabb3db2cf","name":"luzhongbao","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","caption":"luzhongbao"},"sameAs":["https:\/\/x.com\/Levi_Luzhongbao"],"url":"https:\/\/luzhongbao.com\/vi\/author\/luzhongbao\/"}]}},"_links":{"self":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts\/1472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/comments?post=1472"}],"version-history":[{"count":1,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts\/1472\/revisions"}],"predecessor-version":[{"id":1473,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts\/1472\/revisions\/1473"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/media\/1128"}],"wp:attachment":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/media?parent=1472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/categories?post=1472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/tags?post=1472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}