1. The diameter :219mm-2850mm
2. Wallthickness: 5mm- 26mm
3. Standard: API SPEC 5L
1. The product is double-faced submerged-arc welded pipes
2. he diameter of our product is from 219mm-2850mm and wall thickness is from 5mm- 26mm
3. Our product comply with the standard of SY/T5037-2000, GB/T9711.1-1997 and API SPEC 5L
4. The products are widely used in the long-distance transmitting pipelines of natural gas,
petroleum, chemical industry, power, heat power and water source etc
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