seamless pipe: ASTM A312, A213, A269, A511, JIS, G3459, G3463, G3468, GOST, ... , EN, FR2-780mm 0.5-35 Detailed Product Description, seamless pipe: Products Standards ASTM A312, A213, A269, A511, JIS, G3459, ... diameter) : 2-780mm ( Range of wall thickness) 0.5-35mm Welded tube: ( range of outside diameter) :2-780mm ( Range of wall ... , pls contact my Trade Manager directly: cn200081287 stainless steel pipe