... /2"-80" thickness:SCH10-SCH160 Material:alloy steel Size -- Seamless:from 1/2" to 24" ,Welded: ... JISB2311 JISB2312 JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20 ... 316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91 ... bending PACKING: ISO 9001 seamless stainless steel tube u bend (supplier)