Large Diameter Spiral Steel Pipe/Tube

Material:Q235A,Q235B,Q345B,Q345D, L245, L290, X42, X46, X70, X80.
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Product Details

Large Diameter Spiral Steel Pipe/Tube is made by bending and welding of steel strip. It need to do water pressure, bending, flattening and other tests, there also are strict requirements on the surface quality, usually delivery length is 12 meters, often require the size of delivery.


Standard:GB/T9711,API 5L,SY/T5037,SY/T5040

Material:Q235A,Q235B,Q345B,Q345D, L245, L290, X42, X46, X70, X80

Length:12m or customized


Delivery time:15-30 days

Payment terms:TT/LC

Technological process:

Material Inspection-Vertical snip-Roll unfolding-Smoothing-Cutting and welding-Delivery-Molding-Inside and outside welding-Outside surface Inspection-Steel pipe

Amputation-Solder and clinker cleaning-Supplementary-UT inspection-X-RAY inspection-Inside surface inspection-Nozzle burnishing-Nozzle burnishing-Nozzle machining-Hydraulic pressure-Length and weight measuring-Finished product inspection-Oil coating-Making-Store up

Large Diameter Spiral Steel Pipe/Tube is mainly used in water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction, is one of the twenty key products developed in China.For liquid transport: water supply and drainage.Gas transportation: gas, steam, liquefied petroleum gas.For structure: for pile driving pipe, as a bridge;Wharf, road, building structure pipe, etc.

JDSTEELPIPE is one of the leading Large diameter spiral steel pipe manufacturers and suppliers,If you want to know please to contact us. Our customer service specialists will be happy to help you.


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