Product overview:

1. Precision cold drawn seamless square tube: 30x30-500x500mm(3-30m)

2. Material: Q235B, Q345B, C,D,E, 20#, S355JOH, S355J2H, S355JRH. STK490, STK400, AH36

3. Performance standard:

   GB/T 3094, GB/T6728, EN10210, EN10219, ASTMA500 JIS G3466

4. The product is widely used in a large construction, shipbuilding, macinery, gas and fluid transport.

product feature:

Precision high, Large diameter.thick-walled

Our advantage:

1. The company has won 3 sets of sophisticated production lines for square tube, 1 set of production line for cross-sections and one set of heavy JCOE/LUE production line.

2.The product has past CE certification, ISO9001-2008,   Classification society certification. 

3. The product has annealed ,oiled and packed standard for  export.