... , API, ASTM, BS, JIS Applicable : API 5L, API welded steel pipe ProductStandardODWTLengthWelded pipeGB/T3091-2001BS1387-1985ASTM A53DIN244015 – 630mm 0.5 -- 14 ... T. According to the customers’requirementERW steel tube:1. material:Q195,Q215,Q235,Q345,16Mn2. standard:GB/T3091-2001, ... bands also with plastic caps6. Delivery time:15days-25days, for large quantiy ASAP according to actual situation.7. Usage ...