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4750 Electrical Alloy

Shapes Available

  • Coil
  • Round Bar
  • Sheet


  • Electrical
  • Manufacturing

Industry Names

  • Alloy 4750


  • Exotic
  • Specialty Steel


  • AMS 7717
  • ASTM F30


  • Electro-Mechanical Relay Cores
  • Very Low Voltage Holding Magnets


  • Good Magnetic Properties

Alloy 4750 is a nickel based electrical alloy that has good magnetic properties. This soft magnetic alloy is used in very low current holding magnets for natural gas safety valves, electrochemical relay cores, and telecommunication applications.

Please contact us to request a quote. We specialize in hard to find material.

We work closely with many manufacturers in the aerospace & defense industry. We work with NADCAP approved heat treaters and testing laboratories. We can supply DFARS compliant material.

Metal Properties
.2% Yield Strength 30 ksi
Density 0.295 lb/inch³
Elongation 38 %
Ultimate Tensile Strength 75 ksi
Chemical Composition
C- .035
Fe- Bal
Mn- .8
Ni47.0 50.0
P- .02
S- .008
Si- .5

DISCLAIMER: The information provided on this Web site, technical or otherwise, is merely for informational purposes, and is not intended to serve as a guide, manual, instructions, or any kind reference for proper safety procedures or material purchasing. Michlin Metals makes no warranty, express or implied, based on the statements on this Web site and, as such, will not be liable for any damages, either direct or indirect, including but not limited to consequential damages, such as damages for loss of profits, that may arise based on reliance on the information provided on this Web site. Some information has been referenced from reliable industry sources. Tradenames listed are the sole property of the tradename owners. Michlin Metals typically provides branded products through its relationships with mills and authorized re-sellers. Equivalent non-branded product is sometimes also available through certified sources of such products. Michlin Metals will never substitute non-branded product when branded product is requested.

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