High-chromium Alloy 31 /UNS N08031 Seamless Pipe

High-chromium Alloy 31 UNS N08031 seamless pipe

• Introduction of High-chromium Alloy 31 UNS N08031 seamless pipe:
  • Alloy 31 is an iron-nickel-chromium-molybdenum alloy with nitrogen addition
  • It has a pitting resistance in high chloride environments between those of super-austenitic stainless steels and nickel alloys
  • The alloy has very good corrosion resistance in mixed acid and high chloride environments
  • The material is approved in ISO 15156/ NACE MR0175 to test level VI for sour gas service
• Features of High-chromium Alloy 31 UNS N08031 seamless pipe:
  • Has excellent resistance to localized corrosion in halide media, both pitting and crevice corrosion
  • It also provides the following:
    • Outstanding resistance to sulfuric acid
    • Excellent resistance to phosphoric acid
    • Good resistance to nitric and nitric/ hydrofluoric acid mixtures
    • Excellent resistance to chlorine dioxide media in the pulp and paper industry
    • Excellent resistance to both oxidizing and reducing media
    • Good resistance to stress corrosion cracking
    • ASME SCVIII DIV 1 coverage to 430°C (800°F)
    • ASTM coverage
    • NACE MRO-175 coverage to level 6
    • Excellent fabric ability with good thermal stability
• Applications of High-chromium Alloy 31 UNS N08031 seamless pipe:
  • Control lines
  • Control and instrumentation tubes
  • Heat exchangers
  • Chemical processing
  • Oil and gas

About XUNSHI

Suzhou Xunshi New Material Co., Ltd (refered as Xunshi afterwards) is a professional supplier of high performance alloys. Our factory is specialized in manufacturing Nickel alloys & Cobalt alloys for 10+ years，with a company mission to provide a high quality, reliable source for precision alloys, high temperature alloys and stainless steels in both pilot run and mass production. We are professionally manufacturing materials with unique features, which are then used in aerospace, military, electronics, marine, petroleum and petrochemical industries.

Base on “Quality-oriented, Leading Technology, Continuous Improvement, Customer Satisfaction”, we believe Xunshi could be your best supplier.

Product Scope of Xunshi

· Inconel

· Hastelloy

· Incoloy

· Monel

· Nimonic

· Nitronic

· Haynes

· Special Stainless Steel

· Soft Magnetic Alloy

· Permanent Magnetic Alloy

· Elastic Alloy

· Controlled Expansion Alloy

· Magnetostrictive Material

Services of Xunshi

· Material selection

· Non-standard product research and pre-production

· Hard to find material sourcing

· Cutting/splitting

· Precision machining

· Heat treatment

· Customized Packing

· Logistics service

Advantages of Xunshi

· Experienced in industry

· Quality control system

· Authorized Certificates

· Guaranteed delivery and quality

· Customers from 30+ countries trust us

Xunshi is engaged in introducing China-origin high performance alloys to the entire world. Choose Xunshi, choose high performance.