HSCO Seamless steel pipe China Manufacturer 1. OD:1/4-36inch WT:1.25-50mm 2. Length:0.5-15mtr 3. Material:GR.B,X42,X46,X52,S355J0H,S355J2H,10#,20# 4. Standards:API 5L,ASTM A106/A53,DIN2391,ASTM A179/A192,EN10210,EN10208 If you need any steel pipe,please do not hesitate to contact! Skype:cyndy.shu01 www.hu-steel.com Email:cyndy(at)hu-steel(dot)com