... carbon steel ,alloy Product DescriptionFRD 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"-24" DN15-DN600, Welded up to 80" DN2500 ... , X56, X60, X65, X70, X80 5. Standard: ASME/ANSI, ASTM, DIN, JIS, BS, EN, GB, API 6. Productive Technology: Hoe rolling ...