Steel Fence Posts Lowes Lifetime Post 8ft H X 4in W Galvanized Yard Standard Line

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Dalbo

Steel Fence Posts Lowes Lifetime Post 8ft H X 4in W Galvanized Yard Standard Line

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8.8级10.9级12.9级螺栓都是由高强钢材制作,常用 45号钢 、40硼钢、20锰钛硼钢、35crmoa等。 从强度等级上看: 高强螺栓,使用日益广泛。常用8.8s和10.9s两个强度等级,其中10.9级居多。普通螺. Steel 主要强调是钢 n.钢,钢铁; 钢制品; 兵器; 钢铁工业 vt.包上或镀上钢; 使坚定 adj.钢制的; 钢铁业的; 坚强的; [色彩]青灰色的 metal 是所有金属的统称,没有具体指那种金属。. Sus304是日本的标准,“sus”即steel use stainless的缩写,是日本jis标准中不锈钢的代号,它们的含量应该都是一样的。 国标标准生产的则通常标识为06cr19ni10。 大家在买不锈钢制品.

Utility Fencing 5' LightDuty Steel Fence Post at

例如 iron ore demand may drop next year with falling demand for steel.

Lifetime Steel Post 8ft H x 4in W Galvanized Steel Yard Standard Line
3in x 3in W x 10ft H Black Galvanized Steel Universal Fence Post in
Utility Fencing 5' LightDuty Steel Fence Post at

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