40x40mm erw welded black square steel

40x40mm erw welded black square steel

- SHANGHAI TOP STEEL

Erw Ss400 40x40mm Shs Hot Dip Greenhouse Gi Pipe. Black ERW steel pipe is hot-rciled coil through the molding machine, the use of high-frequency current skin effect and proximity effects, so that the edge of the tube heating and melting, in the rcie of squeeze roller pressure welding to achieve production. we can weld the steel into

- SHANGHAI TOP STEEL

Erw Ss400 40x40mm Shs Hot Dip Greenhouse Gi Pipe. Black ERW steel pipe is hot-rciled coil through the molding machine, the use of high-frequency current skin effect and proximity effects, so that the edge of the tube heating and melting, in the rcie of squeeze roller pressure welding to achieve production. we can weld the steel into 06 ERW Welded Steel Pipe, 06 ERW Welded Steel Pipe 06 ERW Welded Steel Pipe from Tianjin Tianyingtai Imports And Exports Trade Co., Ltd.. Square steel pipe price per ton black erw steel hollow 40x40mm square steel tube. $450.00 - $650.00 / Ton. 5.0 Tons (Min. Order) Display similar products.

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