... Steel Pipes Steel Pipe Features: 1. Description: API Pipe, API 5L pipe, API 5L, oil pipe, line pipe, steel pipe ... , steel line pipe, API 5ct 2. Specification: 1) OD: Seamless 1/2"- ... A53, Gr. B, ASTM A105, ASTM A234 Line Pipe: API 5L Gr. B, X42, X52, X56, X60, X65, ... ASME/ANSI, ASTM, DIN, JIS, BS, EN, GB, API 6. Productive Technology: Hoe rolling, Cold rolling, Cold drawing 7. ...