... 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) ... Welding Type: 1) Seamless Steel Pipe, 2) Seamed/Welded Steel Pipe: ERW Steel Pipe, Spiral Steel Pipe 4. Material: Carbon Steel: ... B, ASTM A53, Gr. B, ASTM A105, ASTM A234 Line Pipe: API 5L Gr. B, X42, X52, X56, X60, X65, ...