spiral sheet metal pipe Natural gas pipelines;Spiral welded high frequency steel tubes (sy5038-83) for confined fluids, welded by high frequency lap welding method, for confined fluids.The steel pipe has strong bearing capacity and good plasticity, which is convenient for welding and processing.Spiral seam arc-welded steel tube (sy5037-83) for general low-pressure fluid transportation is adopted, which is made by double-sided automatic arc-welding or single-side welding method and used for water, gas, air and steam and other general low-pressure fluid transportation.
spiral sheet metal pipe specifications
14inch carbon steel pipe Spiral welded pipe
LSAW 457-1422mm 18"-56"
2-60mm SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80
SCH100 SCH120 SCH140 SCH160 XXS
Single random length/Double random length
5m-14m,5.8m,6m,10m-12m,12m or as customer's actual request
Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc.
Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating
Pressure test,Flaw detection,Eddy current testing, Hydrostatic testing or Ultrasonic examination and also with chemical and physical property inspection
Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven
bags; Wooden cases;Suitable for lifting operation;Loaded in 20ft 40ft or 45ft container or in bulk;
Also accrdin to customer's requests
Conveying oil gas and water
API ISO PED Lloyd's
Third Party Inspection
SGS BV MTC
FOB CIF CFR
FOB 30%T/T,70% before shipment
CIF 30% pre-payment and the balance to be paid upon B/L (copy)
or Irrevocable 100% L/C at sight
Usually within 30-45 days after receipt of advance payment
However, for the urban gas system, due to the dense underground pipe network, the external power supply of cathodic protection will cause great interference to other pipelines, which will result in the situation that the gas system will benefit itself and his family will suffer.However, the sacrificial anode protection law connecting spiral steel pipe with metal material with negative potential than steel pipe will not lead to such a situation. Therefore, the main gas transmission pipe of urban gas should adopt the antiseptic coating combined with sacrificial anode.For other non-main pipelines with lower pressure, anticorrosive coating method is generally adopted directly
The Process Flow
has more than ten years history company which located in Lecong Iron and Steel World, a well-known steel distribution center in China, with superior geographical position and convenient water and land transportation.
We are a direct-selling manufacturer specializing in the research and development of spiral steel pipes, steel coiled pipes, anti-corrosion steel pipes inside and outside. Since its inception, the company has been guided by a brand-new thinking of steel pipe product market based on the business philosophy of honesty, pragmatism and knowledge-seeking.
Edit by Ms. Vicky of CSPG
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