hot rolled seamless pipe EN10297,EN10210,ASTM A519, ... DIN2391/2448 hot rolled seamless pipe SpecificationOD: 1/2inch-24inch WT: 0.5mm-50mmStandardAPI5L ,EN, DIN, ASME, BS, ... 30CrMo4 34CrMo4, EN10210-1 S235JRH S275J0H S275J2H S255J2H DIN 1629, DIN17175, DIN2391, DIN2448, ASTM/ASME53, ... ERW Pipe and plate and coilWe sincerely hope to establish business relations with you esteemed cooperation seamless pipe