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Duplex Stainless Steel Seamless (welded)Pipe and Tube

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1.Superior resistance to general and local corrosion, especially to stress corrosion, pitting corrosion, crevice corrosion, corrosion fatigue and abrasion & corrosion.
2.Good weldability.
3.Good mechanical properties.
4.Excellent intergranular corrosion resistance.
5.High cost-effectiveness, longuseful time.
6.The products are widely used in: Electric power / Ocean Engineering and ship building / Petrochemical industry / LNG liquefied natural gas/Desalination of sea water/wastewater treatment / nuclear power / heat exchanger /Pharmaceutical Sanitary tubes / precision electronics / paper machinery / construction etc industries.

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  • Product Description
  • Product Details

Grades:S31500,S31803,S32205,S32304, S32750, S32760.

Stainless steel (nickel-based alloy )welded pipe production range:
Single slit: OD(Φ8mm-Φ630mm),wall thickness(0.5mm-25mm).
Girth: OD (Φ630mm-Φ3000mm),wall thickness(3mm-100mm).

Stainless steel (nickel-based alloy )seamless pipe production range:
OD:(Φ6mm-Φ812.8mm),wall thickness(0.6mm-60mm).

In addition,our company has developed a new series of Conical tubes.

the production size range is OD( Φ 3mm- Φ 219mm), wall thickness (0.3mm-15mm).


(1):As a famous China duplex steel tubes manufacturers and duplex steel tubes suppliers we have a stainless steel (nickel-based alloy)welded pipe manufacture, stainless steel(nickel-based alloy) seamless pipe manufacture and a stainless steel machine manufacture,so we could offer the High quality stainless steel (nickel-based alloy)tube with reasonable price.

(2):We could offer One-stop solution for stainless steel(nickel-based alloy) pipes and fittings and flange for some industrial projects

(3):We have a professional?marketing?team for the international trade already for 10years ,so we have Wide excellent experiences with after-sale service. We focus on developing high-quality Duplex Stainless Steel Seamless (welded)Pipe and Tube for top-end markets.Our custom duplex steel tubes are in line with international standards,and are mainly exported to ?USA.Germany,?Russia,?,Saudi Arabia,NewZealand?,Australia, The Republic of Belarus,Mexico ?and other destinations around the world

(4):Every process will be checked by responsible QC which insures every Duplex Stainless Steel Seamless (welded)Pipe and Tube's quality.

(5):We have the Professional packing teams which keep every packing safely.

(6):?Trial order can be done in one week.

(7):Samples can be provided as your requirements.

(8):Shipment: It is only take 2 hour to go to SHANGHAI Port by the car.so it is very convenient and efficient to ship goods to any other countries.


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  • Super Stainless Steel Series
  • Stainless Steel U-Tube (Coil Tube)
  • Nickel-based Alloy Seamless Pipe and Tube
  • Nickel- based alloy steel welded pipe
  • Stainless Steel (Alloy) Pipe Fitting
  • Stainless Steel (Alloy) Flange
  • Conical Tube Series

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For any inquiry from customers, we will reply within
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