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Wire – Monel Alloy K-500

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Monel® Alloy K-500

UNS N05500
W.Nr 2.4375

Applications

Springs, pumps, valves, and fasteners.

Description

Monel® 500 is an age-hardenable Nickel-Copper alloy with Aluminum and Titanium added to the base. The addition of Aluminum and Titanium provides high strength and hardness. Monel® 500 remains ductile, tough, and is nonmagnetic even at lower temperatures. Monel® 500 is corrosion resistant and can operate from cryogenic temperatures to 450°F (232°C).

Industries Supplied

Oil & Gas Extraction, Marine, Chemical Processing, and Medical.

Nominal Composition

Ni: 63.0 – 70.0
Al: 2.3 – 3.15
Fe: 2.00 max
Mn: 1.5 max
Cu: balance
Ti: 0.35 – 0.85
Si: 0.5 max
C: 0.25 max
S: 0.01 max

Physical Properties

Density: 0.305 lb/in3, (8.44 g/cm3)

Modulus of Elasticity (E):
At 70°F (20°C): 26 x 103 ksi (179 GPa)

Modulus of Rigidity (G):
At 70°F (20°C): 9.5 x 103 ksi (65.5 GPa)

Coefficient of Expansion:
8.3 µin/in.-°F (70°F to 600°F)
14.9 µm/m-°C (20°C to 300°C)

Electrical Resistivity: 25.2 µΩ.in, (64 µΩ.cm)

Thermal Conductivity: 121 Btu-in/ft2hr-°F, (17.5 W/m-K)

Applicable Specifications

Wire & Bar: AMS 4676, ASTM B164, BS 3075 NA 18, DOD QQ-N-286, NACE MR0175 (ISO 15156-3).

Typical Mechanical Properties – Spring Applications

  • Annealed
    • Heat Treatment: 1600°F (870°C)
    • Tensile Strength: 80 – 110 ksi; (550-760 MPa)
    • Suggested Operating Conditions: -300°F to 450°F (-184°C to 232°C)
  • Spring Temper + Aged
    • Tensile Strength: 145 – 190 ksi; (1000 – 1310 MPa)
    • Suggested Operating Conditions: -300°F to 450°F (-184°C to 232°C​)
  • Spring Temper
    • Heat Treatment: After spring coiling. Age: 1000°F (540°C) for 10 hours
    • Tensile Strength: 160 – 200 ksi; (1100 – 1380 MPa)
    • Suggested Operating Conditions: -300°F to 450°F (-184°C to 232°C​)

Monel® is a registered trademark of the Special Metals Corporation group of companies.

For further information Contact:

Contact Us
Phone: 1 847 695 1900
Elgiloy Specialty Metals – Wire Products
356 N.Cross Street
Sycamore, IL 60178 USA

Limitation of Liability and Disclaimer of Warranty:

  • The content in these data sheets is provided primarily by third-party melting mills and is provided for reference only.  It is not intended for engineering or design.
  • Applications may be discussed, however, Elgiloy Specialty Metals, a Division of Combined Metals of Chicago L.L.C., does not recommend or endorse any material for any particular end use or application.
  • The data included in this data sheet are typical values and may vary.
  • Elgiloy Specialty Metals, a Division of Combined Metals of Chicago L.L.C., makes no representations or warranties, express or implied, as to the accuracy, completeness, condition, suitability, performance, fitness for a particular purpose, or merchantability of any information contained in any data sheet.

In no event will Elgiloy Specialty Metals, a Division of Combined Metals of Chicago L.L.C., be liable for any damages whatsoever arising from the use of the information included in the data sheets.