{"id":1754,"date":"2026-05-06T10:36:00","date_gmt":"2026-05-06T10:36:00","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=1754"},"modified":"2026-05-06T05:41:25","modified_gmt":"2026-05-06T05:41:25","slug":"nap-cong-vuong-bang-gang-deo-lzbmetal-kich-thuoc-700x700x50mm-trong-luong-59kg","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/nap-cong-vuong-bang-gang-deo-lzbmetal-kich-thuoc-700x700x50mm-trong-luong-59kg\/","title":{"rendered":"N\u1eafp c\u1ed1ng vu\u00f4ng b\u1eb1ng gang d\u1ebbo LZBMetal, k\u00edch th\u01b0\u1edbc 700\u00d7700\u00d750 mm, tr\u1ecdng l\u01b0\u1ee3ng 59 kg."},"content":{"rendered":"

N\u1eafp c\u1ed1ng vu\u00f4ng b\u1eb1ng gang d\u1ebbo LZBMetal 700\u00d7700\u00d750mm, 59kg: S\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u, c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 b\u1ea3o tr\u00ec trong c\u00e1c khu v\u1ef1c ch\u1ecbu t\u1ea3i n\u1eb7ng.<\/p>\n\n\n\n

So v\u1edbi nhi\u1ec1u s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1 tr\u00ean th\u1ecb tr\u01b0\u1eddng, \u01b0u \u0111i\u1ec3m c\u1ee7a LZBMetal n\u1eb1m \u1edf kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u01b0\u1ee3t tr\u1ed9i v\u00e0 tu\u1ed5i th\u1ecd cao v\u1edbi \u0111\u1ed9 d\u00e0y 50mm v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n 59kg th\u00f4ng qua t\u1ed1i \u01b0u h\u00f3a k\u1ef9 thu\u1eadt m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng. \u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi thi\u1ebft b\u1ecb \u0111\u00fac ti\u00ean ti\u1ebfn nh\u1eadp kh\u1ea9u t\u1eeb \u0110\u1ee9c, danh m\u1ee5c 98 b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0 n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c v\u01b0\u1ee3t qu\u00e1 100.000 t\u1ea5n m\u1ed7i n\u0103m, LZBMetal \u0111\u00e3 thi\u1ebft l\u1eadp v\u1ecb th\u1ebf d\u1eabn \u0111\u1ea7u v\u1ec1 c\u00f4ng ngh\u1ec7 tr\u00ean b\u1ed1n kh\u00eda c\u1ea1nh ch\u00ednh: t\u0103ng c\u01b0\u1eddng v\u1eadt li\u1ec7u t\u1ea1i ngu\u1ed3n, thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac t\u1ed1i \u01b0u v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n l\u00e2u d\u00e0i v\u00e0 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc \u1edf m\u1ee9c micromet, cung c\u1ea5p gi\u1ea3i ph\u00e1p ch\u1ea5t l\u01b0\u1ee3ng cao t\u00edch h\u1ee3p an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1ea3o tr\u00ec cho h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng b\u1ed9 \u0111\u00f4 th\u1ecb t\u1ea3i tr\u1ecdng n\u1eb7ng.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a n\u1eafp c\u1ed1ng vu\u00f4ng b\u1eb1ng gang d\u1ebbo LZBMetal 700\u00d7700\u00d750<\/h2>\n\n\n\n

I. V\u1eadt li\u1ec7u \u201cV\u01b0\u1ee3t tr\u1ed9i so v\u1edbi ti\u00eau chu\u1ea9n qu\u1ed1c gia\u201d - N\u1ec1n m\u00f3ng ch\u1ecbu l\u1ef1c ch\u1eafc ch\u1eafn v\u00e0 b\u1ec1n b\u1ec9<\/h3>\n\n\n\n

N\u1eafp vu\u00f4ng LZBMetal 700\u00d7700\u00d750 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb gang d\u1ebbo ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ea5p QT500-7 ho\u1eb7c cao h\u01a1n. Th\u00f4ng qua vi\u1ec7c l\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 x\u1eed l\u00fd c\u1ea7u h\u00f3a h\u1ee3p kim magie \u0111\u1ea5t hi\u1ebfm \u0111\u1ed9c \u0111\u00e1o, v\u1eadt li\u1ec7u \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t qu\u00e1 500 MPa, v\u1edbi \u0111\u1ed9 gi\u00e3n d\u00e0i v\u01b0\u1ee3t xa y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c gia. T\u1ef7 l\u1ec7 c\u1ea7u h\u00f3a \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t qu\u00e1 90%, \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac \u0111\u1eb7c ch\u1eafc, kh\u00f4ng khuy\u1ebft t\u1eadt. So v\u1edbi c\u00e1c lo\u1ea1i n\u1eafp gang x\u00e1m truy\u1ec1n th\u1ed1ng, kh\u1ea3 n\u0103ng ch\u1ecbu n\u00e9n t\u0103ng g\u1ea5p 3-5 l\u1ea7n. S\u1ea3n ph\u1ea9m c\u1ea5p D400 \u0111\u1ea1t t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m 400kN, t\u1ef1 tin \u0111\u00e1p \u1ee9ng \u00e1p l\u1ef1c giao th\u00f4ng h\u00e0ng ng\u00e0y c\u1ee7a xe t\u1ea3i n\u1eb7ng v\u00e0 m\u00e1y m\u00f3c x\u00e2y d\u1ef1ng. Tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n 59kg l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a hi\u1ec7u qu\u1ea3 k\u00e9p t\u0103ng c\u01b0\u1eddng v\u1eadt li\u1ec7u v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 gi\u1ea3m \u0111\u1ed9 d\u00e0y th\u00e0nh, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 ch\u1ed1ng m\u1ecfi v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n\n

II. \u01afu \u0111i\u1ec3m c\u1ee7a \u201cT\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac\u201d trong C\u01a1 h\u1ecdc k\u1ebft c\u1ea5u: K\u1ef3 t\u00edch c\u01a1 h\u1ecdc trong kh\u1ed1i l\u01b0\u1ee3ng 59kg<\/h3>\n\n\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t t\u1ea3i l\u1ec7ch t\u00e2m do k\u00edch th\u01b0\u1edbc vu\u00f4ng 700\u00d7700 mm g\u00e2y ra, LZBMetal s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n \u0111\u1ec3 tinh ch\u1ec9nh ch\u00ednh x\u00e1c b\u1ed1 c\u1ee5c g\u00e2n gia c\u01b0\u1eddng cho k\u00edch th\u01b0\u1edbc c\u1ee5 th\u1ec3 n\u00e0y. Th\u00f4ng qua m\u00f4 ph\u1ecfng t\u00ednh to\u00e1n s\u1ef1 ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t nh\u01b0 t\u1ea3i tr\u1ecdng l\u1ec7ch t\u00e2m c\u1ee7a xe n\u1eb7ng v\u00e0 phanh g\u1ea5p, c\u00e1c c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 d\u00e0y \u0111\u1eb7c, ch\u1eafc ch\u1eafn \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng \u201cph\u00e1t tri\u1ec3n\u201d \u1edf c\u00e1c khu v\u1ef1c ch\u1ecbu \u1ee9ng su\u1ea5t quan tr\u1ecdng bao g\u1ed3m t\u00e2m n\u1eafp, c\u00e1c g\u00f3c v\u00e0 v\u00f9ng \u0111\u01b0\u1eddng b\u00e1nh xe, trong khi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng \u1edf c\u00e1c v\u00f9ng \u1ee9ng su\u1ea5t th\u1ea5p. Tri\u1ebft l\u00fd thi\u1ebft k\u1ebf \u201cnh\u1eb9 nh\u01b0ng ch\u1ecbu t\u1ea3i cao\u201d n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n 59 kg th\u1ec3 hi\u1ec7n \u0111\u1ed9 c\u1ee9ng v\u00e0 hi\u1ec7u su\u1ea5t ch\u1ecbu m\u1ecfi v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng n\u1eb7ng h\u01a1n 80 kg, duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng d\u1ebbo d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n

III. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n l\u00e2u d\u00e0i, "B\u1ea3o v\u1ec7 xuy\u00ean th\u1ebf h\u1ec7"<\/h3>\n\n\n\n

L\u00e0 m\u1ed9t c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi ch\u1ecbu t\u1ea3i n\u1eb7ng, m\u00e1i che h\u00ecnh vu\u00f4ng 700\u00d7700 mm li\u00ean t\u1ee5c ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ch\u1ea5t \u0103n m\u00f2n nh\u01b0 n\u01b0\u1edbc m\u01b0a, mu\u1ed1i ch\u1ed1ng \u0111\u00f3ng b\u0103ng v\u00e0 m\u01b0a axit. LZBMetal \u0111\u00e3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ba l\u1edbp: l\u1edbp n\u1ec1n m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (\u0111\u1ed9 d\u00e0y k\u1ebdm \u226580\u03bcm) cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 cat\u1ed1t, l\u1edbp ph\u1ee7 nh\u1ef1a epoxy trung gian t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ch\u1eafn d\u00e0y \u0111\u1eb7c, v\u00e0 l\u1edbp ph\u1ee7 polyurethane tr\u00ean c\u00f9ng t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00e3 tr\u1ea3i qua h\u01a1n 3.000 gi\u1edd th\u1eed nghi\u1ec7m phun mu\u1ed1i, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c l\u1edbp ph\u1ee7 bitum th\u00f4ng th\u01b0\u1eddng, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ea9m, \u0111\u1ed9 axit v\u00e0 m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao. Tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng v\u01b0\u1ee3t qu\u00e1 30 n\u0103m, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed b\u1ea3o tr\u00ec v\u00f2ng \u0111\u1eddi.<\/p>\n\n\n\n

IV. \u01afu \u0111i\u1ec3m \u201cT\u00ednh nh\u1ea5t qu\u00e1n\u201d c\u1ee7a s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c<\/h3>\n\n\n\n

Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc c\u1ee7a LZBMetal v\u01b0\u1ee3t xa c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh. C\u00f4ng ty \u0111\u00e3 nh\u1eadp kh\u1ea9u thi\u1ebft b\u1ecb \u0111\u00fac ti\u00ean ti\u1ebfn t\u1eeb \u0110\u1ee9c, v\u1edbi c\u00f4ng su\u1ea5t x\u1eed l\u00fd tr\u1ed9n c\u00e1t \u0111\u1ea1t 240 t\u1ea5n v\u00e0 t\u1ed5ng c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m v\u01b0\u1ee3t qu\u00e1 100.000 t\u1ea5n. Khe h\u1edf khung n\u1eafp ch\u1ec9 \u22641mm, v\u01b0\u1ee3t xa y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n qu\u1ed1c gia l\u00e0 \u22648mm, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, kh\u00f4ng g\u00e2y ti\u1ebfng \u1ed3n sau khi l\u1eafp \u0111\u1eb7t v\u00e0 lo\u1ea1i b\u1ecf ti\u1ebfng \u1ed3n v\u00e0 rung l\u1eafc khi xe c\u1ed9 \u0111i qua. Vi\u1ec7c ki\u1ec3m tra m\u1eabu k\u00edch th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a m\u1ed7i l\u00f4 h\u00e0ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng thi\u1ebft b\u1ecb \u0111o t\u1ecda \u0111\u1ed9. C\u00e1c ch\u1ec9 ti\u00eau ch\u00ednh (sai l\u1ec7ch tr\u1ecdng l\u01b0\u1ee3ng, kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i, dung sai k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 c\u1ee9ng) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nghi\u00eam ng\u1eb7t theo ti\u00eau chu\u1ea9n GB\/T 23858 v\u00e0 y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng, \u0111\u1ea1t \u0111\u01b0\u1ee3c \u201cs\u1ef1 xu\u1ea5t s\u1eafc nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi s\u1ea3n ph\u1ea9m\u201d, \u0111\u1ea3m b\u1ea3o m\u1ed7i t\u1ea5m n\u1eafp vu\u00f4ng 59kg \u0111\u1ec1u mang l\u1ea1i hi\u1ec7u su\u1ea5t nh\u01b0 nhau.<\/p>\n\n\n\n

V. Thi\u1ebft k\u1ebf l\u1ea5y con ng\u01b0\u1eddi l\u00e0m trung t\u00e2m, d\u1ec5 b\u1ea3o tr\u00ec<\/h3>\n\n\n\n

Tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n 59kg \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n c\u1ea5u tr\u00fac \u0111\u1ed3ng th\u1eddi cho ph\u00e9p m\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 m\u1edf d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1c d\u1ee5ng c\u1ee5 \u0111\u01a1n gi\u1ea3n. N\u1eafp \u0111\u1eady \u0111\u01b0\u1ee3c trang b\u1ecb ti\u00eau chu\u1ea9n v\u1edbi tay c\u1ea7m t\u00edch h\u1ee3p v\u00e0 c\u00e1c \u0111i\u1ec3m n\u00e2ng c\u01a1 kh\u00ed, gi\u00fap nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec thao t\u00e1c hi\u1ec7u qu\u1ea3. B\u1ea3n l\u1ec1 c\u1ed1 \u0111\u1ecbnh t\u00f9y ch\u1ecdn v\u00e0 kh\u00f3a \u0111\u1eb7c bi\u1ec7t gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 h\u00e0nh vi tr\u1ed9m c\u1eafp tr\u00e1i ph\u00e9p. B\u1ec1 m\u1eb7t c\u00f3 hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t s\u00e2u v\u1edbi h\u1ec7 s\u1ed1 ma s\u00e1t kh\u00f4 \u22650,65, duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t \u0111\u00e1ng tin c\u1eady ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n m\u01b0a v\u00e0 tuy\u1ebft. Ph\u00e2n t\u00edch t\u1eeb g\u00f3c \u0111\u1ed9 chi ph\u00ed v\u00f2ng \u0111\u1eddi, N\u1eafp vu\u00f4ng LZBMetal 700\u00d7700\u00d750, v\u1edbi th\u1eddi gian s\u1eed d\u1ee5ng kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec \u0111\u1eb7c bi\u1ec7t d\u00e0i v\u00e0 t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c c\u1ef1c th\u1ea5p, d\u1eabn \u0111\u1ebfn t\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf r\u1ebb ti\u1ec1n \u0111\u00f2i h\u1ecfi ph\u1ea3i thay th\u1ebf v\u00e0 s\u1eeda ch\u1eefa th\u01b0\u1eddng xuy\u00ean.<\/p>","protected":false},"excerpt":{"rendered":"

N\u1eafp c\u1ed1ng vu\u00f4ng b\u1eb1ng gang d\u1ebbo LZBMetal 700\u00d7700\u00d750mm, tr\u1ecdng l\u01b0\u1ee3ng 59kg: S\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u, c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 b\u1ea3o tr\u00ec trong c\u00e1c khu v\u1ef1c ch\u1ecbu t\u1ea3i n\u1eb7ng. So v\u1edbi nhi\u1ec1u s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1 tr\u00ean th\u1ecb tr\u01b0\u1eddng, \u01b0u \u0111i\u1ec3m c\u1ee7a LZBMetal n\u1eb1m \u1edf kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u00e0 tu\u1ed5i th\u1ecd v\u01b0\u1ee3t tr\u1ed9i v\u1edbi \u0111\u1ed9 d\u00e0y 50mm v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n 59kg th\u00f4ng qua t\u1ed1i \u01b0u h\u00f3a k\u1ef9 thu\u1eadt m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng. \u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi thi\u1ebft b\u1ecb \u0111\u00fac ti\u00ean ti\u1ebfn nh\u1eadp kh\u1ea9u t\u1eeb \u0110\u1ee9c, [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,2,43],"tags":[126,153,63],"class_list":["post-1754","post","type-post","status-publish","format-standard","hentry","category-ductile-cast-iron-products","category-products","category-square-manhole-cover","tag-ductile-cast-iron","tag-lzb-metal","tag-manhole-cover"],"yoast_head":"\nLZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg Products - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The 59kg self-weight is precisely calculated to provide sufficient structural safety while allowing safe opening by a single person using simple tools. The cover comes standard with integrated handles and mechanical lifting points, facilitating efficient operation for maintenance personnel. Optional captive hinges and special locks effectively prevent unauthorized theft. The surface features a deep anti-slip pattern with a dry friction coefficient \u22650.65, maintaining reliable slip resistance even in rainy and snowy conditions. Analyzed from a life-cycle cost perspective, the LZBMetal Square Cover 700\u00d7700\u00d750, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lzbmetal.com\/vi\/nap-cong-vuong-bang-gang-deo-lzbmetal-kich-thuoc-700x700x50mm-trong-luong-59kg\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg Products - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"The 59kg self-weight is precisely calculated to provide sufficient structural safety while allowing safe opening by a single person using simple tools. The cover comes standard with integrated handles and mechanical lifting points, facilitating efficient operation for maintenance personnel. Optional captive hinges and special locks effectively prevent unauthorized theft. The surface features a deep anti-slip pattern with a dry friction coefficient \u22650.65, maintaining reliable slip resistance even in rainy and snowy conditions. Analyzed from a life-cycle cost perspective, the LZBMetal Square Cover 700\u00d7700\u00d750, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lzbmetal.com\/vi\/nap-cong-vuong-bang-gang-deo-lzbmetal-kich-thuoc-700x700x50mm-trong-luong-59kg\/\" \/>\n<meta property=\"og:site_name\" content=\"LZBMetal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-06T10:36:00+00:00\" \/>\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=\"4 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"headline\":\"LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg\",\"datePublished\":\"2026-05-06T10:36:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\"},\"wordCount\":702,\"commentCount\":0,\"keywords\":[\"Ductile Cast Iron\",\"LZB Metal\",\"Manhole Cover\"],\"articleSection\":[\"Ductile Cast Iron Products\",\"Products\",\"Square Manhole Cover\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\",\"name\":\"LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg Products - LZBMetal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\"},\"datePublished\":\"2026-05-06T10:36:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"description\":\"The 59kg self-weight is precisely calculated to provide sufficient structural safety while allowing safe opening by a single person using simple tools. The cover comes standard with integrated handles and mechanical lifting points, facilitating efficient operation for maintenance personnel. Optional captive hinges and special locks effectively prevent unauthorized theft. The surface features a deep anti-slip pattern with a dry friction coefficient \u22650.65, maintaining reliable slip resistance even in rainy and snowy conditions. Analyzed from a life-cycle cost perspective, the LZBMetal Square Cover 700\u00d7700\u00d750, with its exceptionally long maintenance-free period and extremely low failure rate, results in significantly lower total costs compared to cheap alternatives requiring frequent replacement and repair.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/lzbmetal-ductile-iron-square-manhole-cover-700x700x50-59kg\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/lzbmetal.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/\",\"name\":\"Hubei LZBMetal Products Co., Ltd\",\"description\":\"Your Design, Our Factory. 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N\u1eafp \u0111\u1eady \u0111\u01b0\u1ee3c trang b\u1ecb ti\u00eau chu\u1ea9n v\u1edbi tay c\u1ea7m t\u00edch h\u1ee3p v\u00e0 c\u00e1c \u0111i\u1ec3m n\u00e2ng c\u01a1 kh\u00ed, gi\u00fap nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec thao t\u00e1c hi\u1ec7u qu\u1ea3. B\u1ea3n l\u1ec1 c\u1ed1 \u0111\u1ecbnh t\u00f9y ch\u1ecdn v\u00e0 kh\u00f3a \u0111\u1eb7c bi\u1ec7t gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 h\u00e0nh vi tr\u1ed9m c\u1eafp tr\u00e1i ph\u00e9p. B\u1ec1 m\u1eb7t c\u00f3 hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t s\u00e2u v\u1edbi h\u1ec7 s\u1ed1 ma s\u00e1t kh\u00f4 \u22650,65, duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t \u0111\u00e1ng tin c\u1eady ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n m\u01b0a v\u00e0 tuy\u1ebft. Ph\u00e2n t\u00edch t\u1eeb g\u00f3c \u0111\u1ed9 chi ph\u00ed v\u00f2ng \u0111\u1eddi, N\u1eafp vu\u00f4ng LZBMetal 700\u00d7700\u00d750, v\u1edbi th\u1eddi gian s\u1eed d\u1ee5ng kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec \u0111\u1eb7c bi\u1ec7t d\u00e0i v\u00e0 t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c c\u1ef1c th\u1ea5p, d\u1eabn \u0111\u1ebfn t\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf r\u1ebb ti\u1ec1n \u0111\u00f2i h\u1ecfi ph\u1ea3i thay th\u1ebf v\u00e0 s\u1eeda ch\u1eefa th\u01b0\u1eddng xuy\u00ean.","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:\/\/lzbmetal.com\/vi\/nap-cong-vuong-bang-gang-deo-lzbmetal-kich-thuoc-700x700x50mm-trong-luong-59kg\/","og_locale":"vi_VN","og_type":"article","og_title":"LZBMetal Ductile Iron Square Manhole Cover 700\u00d7700\u00d750, 59kg Products - LZBMetal Products Co., Ltd","og_description":"The 59kg self-weight is precisely calculated to provide sufficient structural safety while allowing safe opening by a single person using simple tools. 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N\u1eafp \u0111\u1eady \u0111\u01b0\u1ee3c trang b\u1ecb ti\u00eau chu\u1ea9n v\u1edbi tay c\u1ea7m t\u00edch h\u1ee3p v\u00e0 c\u00e1c \u0111i\u1ec3m n\u00e2ng c\u01a1 kh\u00ed, gi\u00fap nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec thao t\u00e1c hi\u1ec7u qu\u1ea3. B\u1ea3n l\u1ec1 c\u1ed1 \u0111\u1ecbnh t\u00f9y ch\u1ecdn v\u00e0 kh\u00f3a \u0111\u1eb7c bi\u1ec7t gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 h\u00e0nh vi tr\u1ed9m c\u1eafp tr\u00e1i ph\u00e9p. B\u1ec1 m\u1eb7t c\u00f3 hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t s\u00e2u v\u1edbi h\u1ec7 s\u1ed1 ma s\u00e1t kh\u00f4 \u22650,65, duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t \u0111\u00e1ng tin c\u1eady ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n m\u01b0a v\u00e0 tuy\u1ebft. 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