China ASTM A513 Square Welded Tubes Manufacturers Factory Suppliers

Square Tubes are widely used for supporting of beam and the built of frames. Square tubes have high quality and excellent mechanical properties. ASTM A513 and ASTM A500 Gr.B square welded tubes can

WANLEI, as professional supplier of structural welded pipe, has different standard and steel grades of structural welded pipe. ASTM A500 is one of main standard, there are Gr.A, Gr.B, Gr.C, Gr.D four

STKR400 square steel pipe is made strictly according to JIS G3466 standard. It is usually used for general structural purpose, such as buildings, bridges, and other structural fields. We can provide

EN10025 square and rectangular steel tube is made through hot rolled technique, which is mainly used in the fields of bridge, construction and mechanical manufacturing, etc. Tianjin Wanlei Steel Pipe

We export thick walled steel pipes, 22mm WT onwards, material of ASTM A106/A53 B, API 5L B PSL1, ASTM A333 GR.6, TP316/316L and so on. Click here for details.

Size 10.3-1219.2mm with 1.73-59.54mm wall thickness seamless steel pipe. Size 141.3-660.4mm with 3.4-12.7mm wall thickness ERW for ship building. Best price for you!

JIS G3466 Standard specified that the tubes are used for engineering, architecture and other structures. There are two grades in this specification, STKR400 and STKR490. Welcome to visit our web!

Square hollow section can be used for structural project, it includes bridges and viaducts, buildings, infrastructure projects, off-shore and marine structures, towers and masts and so on.

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Square steel tubes are manufactured by passing sheet metal through rollers to achieve specific physical dimensions. Square steel tube is widely used in industrial maintenance, agricultural

Type: welded steel pipe and seamless steel pipe Length: 5.8m,6m,11.8m,12m Process： The steel shall be made by one or more of the following processes: open-hearth, basic-oxygen, or electric-furnace.

This standard used for welded cold formed steel structure hollow.