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seamless galvanized hollow section
Selling leads
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... pipe without any welding marks. According to its production method, it can also be divided into hot rolling, cold rolling, cold drawing, extrusion...
2025-04-28 22:31:38
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...,30CrMnSi,45Mn2,40MnB, ASTM A53 A36, A106,API 5L A106 Gr.B etc Surface Coated/galvanized/black Technique Hot rolled/cold rolled /cold drawn ...
2025-06-27 10:58:14
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