ASTM A671 CC70 carbon steel EFW (Electric Fusion Welded) pipe is a carbon steel pipe produced using the electrofusion welding process. Its chemical composition and mechanical properties comply with the CC70 level requirements in the ASTM A671 standard.
CC70 is a kind of low carbon steel with high strength and good welding performance. It is suitable for various pipeline systems that require welding connections.
Specification & Range
| Type | ASTM A671 Gr. CC60/ CC65/ CC70 LSAW / SAW / EFW Pipe | |
| Executive Standard | API SPEC 5L,GB/T 9711.1,GB/T 9711.2,GB/T 9711.3,SY/T5037 | |
| ASTM A671 | Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures | |
| ASTM A672 | Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures | |
| Class Designation | Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73. | |
| Size | Outer Diameter | 12-64 inch |
| Wall Thickness | 2-60mm SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS |
|
| Length | Single random length/Double random length 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual request | |
| Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc | |
| Surface Treatment | Bare,Painting black,varnished,galvanized,anti-corrosion PE PP/EP/FBE coating |
|
| Technical Methods | Hot-rolled/Cold-drawn/Hot-expanded | |
| Testing Methods | Eddy current testing, Hydrostatic testing or Ultrasonic examination, NDT and also with chemical and physical property inspection | |
| Packaging | Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven bags; Suitable for lifting operation; Loaded in 40ft or 20ft container or in bulk Also according to customer's requests | |
| Application | Conveying oil, gas and water | |
