ERW square hollow steel tube for structure

Square steel tube (sometimes to be called square steel pipe or square hollow section) is a kind of steel hollow section, square or rectangular type. It is made of steel strips, steel plates or round steel pipe by cold-forming, hot-forming/hot-finished production technology. It can be divided into 2 types: seamless square steel tube and welded square steel tube. Nowadays more and more customers prefer to square & rectangular steel tube when it comes to large steel construction, shipbuilding, machinery, railways, electric power industry etc.

1) Dimensions: 30*30mm-400*600mm,  Thickness: 2-25mm, Length: <13m

2) Material: Q195, Q235, Q345, 20#, 16Mn, ST37/44/ST52, ASTM A53/106, STKR490/STKR400, ASTM A500 GR, S355, S275, S235

3) Standards: JISG 3466, DIN EN 10210, DIN EN10219, ASTM A500, GB/T 3094-2000, GB/T 6728-2002

4) Certificates: CE,CCS

5) OEM available    

6) Applications: construction structure, machinery making, container, hall structure, offshore oil field, sea trestle, motorcar cassis, airport structure, shipbuilding, automobile axle pipe and so on.

Hebei Borun Steel Trade CO., LTD is a professional manufacturer & exporter of API casing pipe, seamless steel pipe,LSAW steel pipe, SSAW (spiral) steel pipe,square tube, ERW steel pipe and other pipes in China, and the steel pipes can be supplied according to GB, ASTM, API, DIN, JIS standards, the factory is locating in Yanshan Economic Technological Development Zone, a well-known Steel City in China. It is near to Beijing and Tianjin in the north, neighboring Huanghua port and Tianjin port in the east.

If you have any questions, pls contact us without hesitation.

I’m looking forward ur reply!

Linda Yuan

SKYPE: lindayuan1124

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