... . Length: 3-12m 4. Standard: ASTM, API 5L/5CT, JIS, DIN, BS, GB/T Detailed information is listed below for your reference ... , A252, A333 etc; X42, X46, X52, X60, X65, X70 etc; JIS STPG42, G3454, G3456 etc; German St37, St42, St45, St52, DIN1626 ...