Standard | API 5L PSL1&PSL2,ASTM A671,ASTM A672,ASTM A252,BS EN10210,BS EN10219 |
Grade | GR.B,X42,X46,X52,X60,X65,X70 ,etc,GR.A ,GR.B,A45,A50,A55,B55,B60,B65,B70,etc,CB60,CB65, CC60,CC65,etc,S275JRH,S275J0H,S355J0H,S355J2H,etc |
Certificate | API 5L, ISO9001:2008,SGS,BV,CCIC, |