... '' - 48'' Standard: API 5L, ASTM A106/A53, JIS G3456/3461 , DIN1626/1629/17175 Certificate:ISO 9001, SGS, BV, etc. Steel Pipe for ... and transportationwoven bag as per customers request6. CompanyHebei Honry Steel Pipe Co.,LtdContact: sales@ honrypipe.com