We can supply steel tubes and pipes with competitive price, high and stable quality. ApplicationFor High,Low preassure boiler and pressure purposeProduction Standard,Grade,Steel No.ASTM A106 Grade A,B,CASTM A53 Grade A,BASTM A178 Grade A,C,DASTM 192ASTM A210 Grade A-1,CBS3059-1 320CFSBS3059-2 360,440,243EN 10216-1 P195TR1/TR2,P265TR1/TR2EN10216-2 195GH,P235GH,P265GH,TC1,TC2DIN17175 ST35.8,ST45. ...