Product Introduction
LSAW steel pipe has a wide range of finished specifications, which can produce small diameter and large wall thickness ste el pipe or large diameter and large wall thickness steel pipe. The toughness, plasticity, uniformity and compactness of the weld are good, the welding process is stable, the weld quality is high, and it is easy to realize the non-destructive testing in the production process and the non-destructive testing review in the field in the use process.
In addition, it also has the advantages of large pipe diameter, thick pipe wall, high pressure resistance, low temperature resistance and corrosion resistance, and strong pressure bearing capacity.
| Size | OD: 219mm-1625mm |
| WT: 6.35 mm – 60 mm | |
| LENGTH: 2 m – 18 m | |
| Pipe Standard | API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70 |
| ASTM A53 ASTM 572 ASTM A252 | |
| AN/NZS 1163 AN/NZS 1074 | |
| EN10219-1 EN10217-1 |
Other Information:
| Types | Standard | |||||
| SY/T5040-2000 | SY/T5037-2000 | SY/T9711.1-1977 | ASTM A252 | AWWA C200-97 | API 5L PSL1 | |
| Tube end OD deviation | ±0.5%D | ±0.5%D | -0.79mm~+2.38mm | <±0.1%T | <±0.1%T | ±1.6mm |
| Wall thickness | ±10.0%T | D<508mm, ±12.5%T | -8%T～+19.5%T | <-12.5%T | -8%T～+19.5%T | 5.0mm |
| D>508mm, ±10.0%T | T≥15.0mm, ±1.5mm | |||||
Production Process | Longitudinally Submerged Arc Welding Pipe
Application Field Of LSAW Steel Pipe
LSAW pipe is widely used in many fields because of its superior performance and wide specification range:
Petrochemical: IN the petroleum and chemical industry, it can transport all kinds of medium and low temperature oil products, chemical raw materials and finished products, such as medium temperature crude oil transmission pipeline in refineries, low temperature chemical transmission pipeline in chemical plants, etc.
Construction works: pipeline systems in building structures such as natural gas pipelines and scaffolding.
Mechanical processing: mechanical structure and piping and other parts.
Automobile manufacturing: automobile chassis and automobile exhaust pipe and other parts.
In addition, LSAW steel pipes are also widely used in industrial buildings such as urban district heating systems, ventilation and air conditioning systems, for conveying medium and low temperature air or fluid to ensure the comfort of the internal environment of the building. At the same time, in the construction of high strength, high toughness, high quality long distance oil and gas pipelines, the required steel pipes are mostly large diameter thick wall straight seam submerged arc welded pipes.
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