ERW steel pipes are manufactured by low-frequency or high-frequency resistance "resistance". They are round pipes welded from steel plates with longitudinal welds. It is used to transport oil, natural gas and other vapor-liquid objects, and can meet various requirements of high and low pressure. At present, it occupies a pivotal position in the field of transportation pipes in the world.
ERW steel pipe is "high frequency resistance welding steel tube", and the common welding process is different, the weld line is from the base material of the steel belt body melted, the mechanical strength is better than the general welding.
ERW stands for resistance welding, resistance welding has the characteristics of high production efficiency, low cost, material saving and easy automation, so it is widely used in aviation, aerospace, energy, electronics, automotive, light industry and other industrial sectors, is one of the important welding processes.
Carbon steel pipe in ERW
ASTM A53 Grade A and B (and Galvanized)
ASTM A252 pile pipe
ASTM A500 structural tubing
ASTM A134 and ASTM A135 pipe
EN 10219 S275, S355 pipe
Stainless steel ERW pipe/Pipe standards and specifications
ASTM A269 stainless pipe
ASTM A270 sanitary tubing
ASTM A312 Stainless pipe
ASTM A790 ferritic/austenitic/duplex stainless pipe
API ERW Line pipe
API 5L B to X70 PSL1 (PSL2 shall be in HFW process)
API 5CT J55/K55, N80 casing and tubing
| Product name | ERW steel pipe |
| Outer Diamater | 1/2"-24"(20mm-610mm) |
| Wall Thickness | 0.4-25mm |
| Length | 1-12m or as your requirement,Ready to ship pipes are 6m long |
| Material | Q195 Q235 Q345 St37 St52 A53 |
| Standard | ASTM A53 ASTM A500; GB/T3091 GB/T3094;DIN EN10025; DIN EN10217-2005; BS EN10217; BS EN10219; BS EN10025; JIS G3466 |
| Type | Welded pipe |
| Pipe Ends | 1)Plain 2)Beveled 3)Threaded with coupling and plastic cap |
| End protector | 1) Plastic cap 2) Iron protector 3) as request |
| Surface Treatment | 1) Bared 2) Black Painted 3) Galvanized 4) Oiled |
| Deep processing | oiled, painted, galvanized, powder coating, shrink head, pressure groove, welding head, punching, threaded with coupling and plastic cap |
| Inspection | With Hydraulic Testing, Eddy Current, Infrared Test |
| Application | Construction,machine structure pipe, Agriculture equipment pipe,Water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc. |
| Shipment |
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| Loading port | Tianjin,China |
| Package |
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| Payment terms | TT or LC at sight |
ERW steel pipe application and usage:
ERW steel pipe used for transporting gas and liquid objects such as oil and gas, could meet the low and high pressure requirement. In recent years, with the development of ERW technology, more and more ERW steel pipe used in the oil and gas fields, automobile industry and so on.
