... 2.Standard: ASTM, DIN, JIS, API 3.Size:1/2"~28 Carbon Steel Pipe A106/A53/API 5 L1. Material: Gr A, ... A105,A106,A210,A179,A192,Q195,Q235,Q2152. Standard: API 5L, ASTM A106/A53, ASTM A252,DIN 1629/2391/ ... 17172, JIS 3461/3462, BS3059 etc3. size: Seamless 1/2"--28"4. Length: 2-12m random or fixed. ... ends: 2" below plain ends; 2"above beveled ends.7. methord: below 88.9mm is cold drawn; above 114.3mm ...