construction materials welded tube hot rolled black steel pipes astm a500 hollow section square pipe
USD $460 - $590 /Metric Ton
Min.Order:5 Metric Tons
Tianjin Zhongfa Steel Pipe Co., Ltd
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100*100*1.7mm Hollow section steel tubes/pipes with ASTM A500 standard Gr.B material
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construction materials welded tube hot rolled black steel pipes astm a500 hollow section square pipe