seamless pipe: ASTM A312, A213, A269, A511, JIS, G3459, G3463, G3468, GOST, 9941-81, DIN ... 5-35 Detailed Product Description, seamless pipe: Products Standards ASTM A312, A213, A269, A511, JIS, G3459, G3463, G3468, GOST, ... the principle of our company. With better performance-Price ratio, we are willing to seek for sucess with ... pls contact my Trade Manager directly: cn200081287 stainless steel pipe