The company can produce various sizes of longitudinally and spirally welded steel pipes according to the following standards such as API,ASTM,EN,JIS,BS, etc. Steel Grade: GR.A, GR.B, X42-X100, H40, J55, S195T, S355J2H, ST33, ST42, STK400, STK500, Q215, Q235, Q345, etc.
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