... G3461 ,JIS G3462GradeAPI 5L GR.B, ASTM A333GR1,GR3,GR6,GR7,ASTM A106 ,ASTM A53GR.BJIS G3445 STKM11A STKM12A STKM13A STKM14AEN10297 E275K2 ... -1 S235JRH S275J0H S275J2H S255J2HDIN 1629, DIN17175, DIN2391, DIN2448,ASTM A519 1010 1012 1025 1045 4130 MT X1020 MT 1020CertificateAPI ... can provide: cold rolled, hot rolled, hot dipped, ERW Pipe and plate and coilWe sincerely hope to establish business relations ...