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Monel K500 Pipe

Monel K500 Pipe
Monel K500 Pipe
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Product Code : 86
Product Description

Monel Alloy K500 is a precipitation hardening nickel copper alloy that retains the excellent corrosion resistance of Alloy 400 with the added advantage of increased strength and hardness values that can be maintained up to 650ºC. It is widely used in marine environments due to its excellent corrosion resistance, and is often utilised in high-velocity seawater and in stagnant or slow-moving seawater.

Alloy K500 offers an exceptionally high dimensional stability and, as with Alloy 400, its low temperature mechanical properties are very good with no transition temperature, making the alloy suitable for many cryogenic applications. It does, however, have a greater tendency toward stress-corrosion cracking in some environments when in the age-hardened condition, although it displays resistance in a sour-gas environment.


  • UNS N05500

Chemical Composition

Ni Cu Al Ti
65.5% 29.5% 2.70% 0.6%

Mechanical Properties

Ultimate Tensile Strength (N/mm²) Proof Stress (N/mm²) Elongation (%) Hardness (HB)
970-1000 690-760 15-20 27-35 HRCa


Characteristic Properties

  • Good corrosion resistance in marine environments

  • Good resistance to non-oxidising acids, alkali and salts

  • High retention of properties at elevated temperatures

Products & Material Standards

  • Round Bar & Rod

  • Seamless & ERW Pipes