Standard | API, ASTM A530, ASTM A519, ASTM A53, GB 3087, GB/T8163, GB 5130, GB/T 8162, (Welded Pipe)GOST 10704-91/GOST1050-2013/Gost380-2005, (Seamless pipe)GOST32528-2013/GOST8732-78/GOST8734-75/GOST1050-2013/Gost380-2005 |
Grade | 1010,1026, X42, X46, X52, X56, X60, X70,ASTM A106B, ST52, ST37,ST45,ST45, ST3SP, ST20, ST4SP, etc |