ASTM A53 seamless and welded black and hot-dipped galvanized steel pipe
Galvanized scaffolding black steel pipe
Galvanized Steel Pipe & Black Steel Pipe
1.Shap: Rectangular, Square and Round.
2.Black material, hot dip galvanized steel material.
ASTM A53 ERW Steel Pipe
EN10210 ERW Steel pipe
ASTM A53 Steel Pipe
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