Looking forward to your favourable inquiry!

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Square Steel Tube

 Application:   Widely used in furniture,interior decoration, structure
Size:  OD: 10*10-1000*1000mm
Pipe Standard:   GB/T 3094-2000, GB/T 6728-2002, DIN EN 10210, DIN EN 10219, GB/T 178-2005,ASTM A53, ASTM A500,BS EN 10219,JIS G 3466, ASTM A513, ASTM A36
 S235JR,S355JR,Q235,St37,St37-2,St52,SS400, STK500,Q235B, Q345
 Furface: Black bared ,can be galvanized,oiled,painted,powdered.
 Packing:  Waterproof  plastic bag,bundle with strip


Size O.D

O.D Tolerance



Thickness Tolerance




As customers demand


Surface Treatment

galvanized(zinc coated), painted, oiled, powder coated, PVC coated ,or as clients' requirement,

Steel Grades

Q195, Q235A-B, Q345A-E, 10#, 20#, 16Mn, ASTM A36,ASTM A500, ASTM A53, ASTM 106, SS400, St37, St52, S235JR, S355TRH etc


GB/T 3094-2000, GB/T 6728-2002, DIN EN 10210, DIN EN 10219, GB/T 178-2005,ASTM A53, ASTM A500,BS EN 10219,JIS G 3466, ASTM A513, ASTM A36




In bundles or bulk or as per customer's requirement


Building, structure, Fence

Production Technology

High-frequency welding.


1) payment term: T/T, L/C

2)Trade term: FOB, CFR, CIF

3)MOQ: 25 TONS

4)Delivery time: 15 days after receiving T/T deposit or L/C

We are looking forward to receiving your kind inquiry! We assure you that you can get our best price! Wish to establish business relationship with you!

We supply all types of steel structure products.

  Our factory


Looking forward to your favourable inquiry!

  Manufacture Process


If you have any inquiries and questions, please contact United Steel Industry Co.,Ltd

at any time. Thanks in advance. Welcome! Email :Sales@united-steel.com

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