1) Steel Material: GR.B, X42, X46, X52, S355J0H, S355J2H, 10#, 20#
Standard: API 5L, ASTM A106/A53, DIN2391,ASTM A179/A192,EN10210,EN10208
2) Wall Thickness: 4.5mm~20mm
3) Outer Diameter: from 89mm~168mm
4) Grade:10#, 20#, 45#, Q345, ST35.8, ST37, ST42, ST45, ST52, API 5L /GR.B-X60, API 5CT /J55 K55 N80, A53, A106, A192, A179, A210, and etc.
5) Process Method:hot rolling.
6) Surface Coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as customer’s request.