MP35N (For Springs)

Tech Spring Manufacturing Corp. is a high quality Metal Spring Manufacturer in Taiwan, offering Wave Springs, Retaining Rings and Constant Force Spring with good quality and reasonable price.

MP35N (For Springs)

MP35N is an age hardenable Nickel-Cobalt base alloy that has a unique combination of properties – ultra high strength, toughness, ductility and outstanding corrosion resistance. MP35N resists corrosion in hydrogen sulphide, salt water and other chloride solutions. It also has excellent resistance to crevice and stress corrosion cracking in sea water and other hostile environments. It can be used for any TSMC spring product such as wave springs, retaining rings and compression springs. Suitable where a high combination of strength, high modulus values and good corrosion resistance are required. Applications for this alloy also include medical devices and dental products.
MP35N is also known as Allvac 35N.


Nickel-Cobalt Base Wire for wire springs, flat springs and wire products

Key Features
  • Combination of high strength, ductility and good mechanical properties at ambient temperatures
  • Excellent corrosion resistance in hydrogen sulphide
  • Excellent resistance to crevice and stress corrosion cracking in sea water
  • Age hardenable (Spring Temper only)
Typical Applications

Medical Devices
Marine Engineering

Approx. Operating Temperature

-200 to +315°C
-330 to +600°F

Chemical Composition
Element Ni Cr Fe Mn C Si S P Co Ti Mo
Min % 33.00 19.00 bal 9.00
Max % 37.00 21.00 1.00 0.15 0.025 0.15 0.01 0.015 bal 1.00 10.50
Wire Type
  • Round
  • Flat Wire
  • Shaped Wire
  • Rope/Strand
Specifications
  • AMS 5844
  • AMS 5845
  • ASTM F562
  • ISO 15156-3 (NACE MR 0175)
  • ISO 5832-6
Designations
  • W. Nr. 2.4999
  • UNS R30035
  • AWS 110
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