Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
2.Material: stainless steel,carbon steel and alloy steel
1) Material: Q235,20#,16Mn , ST45.8, 12CrMoV, 15CrMo ,
1Cr13,1Cr18Ni9Ti, 0Cr19Ni9,00Cr19Ni11,00Cr17Ni12Mo2, 0.
A234-WPB. A420-WPL6. A234-WP12. A234-WP11.
A234-WP5. A403-WP304. A403-WP304L. A403-WP316. A403-WP316L.
2) Bending Radius (R): R=3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D
3) Bending Angle (θ): Degree 15, 30, 45, 60, 90, 135, 180 and also could manufacture according the angles given by the clients.
4) Straight Length (L): The length between two ends general from 300mm-1500mm, and also can product according to the clients' requirement to product.
5) Outer Diameter (D): D≤1220mm
6) Wall Thickness (T): T≤120mm
7) End Bevel: According to the bevel of welding pipe fittings construction
8) Weight: Weight (Kg)=[0.0433(D-T)TRθ]/100000+L(the weight of two ends straight bend)
Material: Carbon steel, Alloy steel, Stainless steel
Carbon steel: ASTM A234 WPB
Alloy steel: ASTM A234 WP11, ASTM A234 WP12, ASTM A234 WP22, ASTM A234 WP5, ASTM A234 WP9, ASTM A234 WP91
Stainless steel: ASTM A403 WP304, ASTM A403 WP304L, ASTM A403 WP316, ASTM A403 WP316L,ASTM A403 WP321,ASTM A403 WP321H, ASTM A403 WP347,ASTM A403 WP347H
Duplex: S31803, 2205, S32750, 2507
Size: Outside diameter: 1/2"-60"(DN15- DN1500), Nominal diameter: Sch10s-Schxxs
Price Terms: FOB, CFR, CIF
Non-standard: We can produce according to drawing and requirement
Test and inspection are available by agreement
Our products are widely used in pipeline engineering of the industries of oil & gas (including petrochemical),
chemical & pharmaceutical, pulp & paper, fertilizer, desalination, nuclear, electric power, boiler,
heat exchanger, metallurgy, refinery, machinery, steel fabrication, shipbuilding, water disposal ,construction, aviation, textile, etc.