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steel pipe galvanized steel pipe square pipe steel plate hot tie plate galvanized plate building materials steel pipe round steel flat angle steel threaded steel

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steel pipe galvanized steel pipe square pipe steel plate hot tie plate galvanized plate building materials steel pipe round steel flat angle steel threaded steel

钢管镀锌钢管方管钢板热扎板镀锌板建材钢管圆钢扁角钢螺纹钢

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USD $0.73
≥10000/piece

10000 piece

Item No. 40*40 50X30 60 X60 80X40
Stock num 100000 piece

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和润五金商行

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Description

镀锌其防护作用更强，抗腐蚀能力强。整个结构由锌，形成致密的四元结晶体，此结晶体在钢板上形成一层屏障，因而有效的防止腐蚀因子穿透。耐腐蚀性来自锌的障碍层保护功能强。当锌在切边、刮痕及镀层擦伤部份作牺牲保护时，锌便形成不能溶解的氧化物层，发挥屏障保护功能。

Update time：20260325103627