With API 5L ,API 5CT certification and ISO quality system certification.We mainly produce the seamless steel tubes with the external diameter of 108 -219mm and wall thickness of 7 -55mm . We use one advanced 180 Assel (with German Meer-technology) hot-rolled seamless steel tubes product line. The designed output is 200,000 ton one year. BEST QUALITY WITH BEST PRICE will be provided for our esteemed clients With API 5L ,API 5CT certification and ISO quality system certification.We mainly produce the seamless steel tubes with the external diameter of 108 -219mm and wall thickness of 7 -55mm . We use one advanced 180 Assel (with German Meer-technology) hot-rolled seamless steel tubes product line. The designed output is 200,000 ton one year. BEST QUALITY WITH BEST PRICE will be provided for our esteemed clients
OD:102-219mm
WT:7-55mm
applications:steel tube for general structure and mechanical
JIS G3445 STKM 13A
