... ASTM A106/A53, JIS G3456/3461 , DIN1626/1629/17175 Certificate:ISO 9001, SGS, BV, etc. JIS G3454 Seamless Steel Pipe ... G3455,JIS G3456,JIS G3457,JIS G3461MaterialA53B, A106B, API 5L B,X42,X46,X52,X60, ... 3PE,etc.PackagePlastic caps on both ends, Steel bundle,Woven bagOr on customers' requestCertificateISO9001,SGS,BV ... customers request6. CompanyHebei Honry Steel Pipe Co.,LtdContact: sales@ honrypipe.com