718 Cold Reduced Nickel Bar - AMS 5962

Alloy 718 cold reduced nickel bar is a precipitation hardening nickel-chromium alloy containing significant amounts of columbium, aluminum, molybdenum and titanium. The alloy is cold worked after solution annealing and is typically used for high strength fasteners requiring a room temperature minimum tensile strength of 220 ksi after precipitation hardening. It is typically used at temperatures up to 900° F. This grade has oxidation resistance up to 1800° F. Alloy 718 cold reduced nickel is multiple melted usually with either a vacuum induction melt (VIM) followed by a vacuum arc remelt (VAR), or a vacuum induction melt (VIM) followed by an electroslag remelt (ESR).

718 CR Inventory Size Ranges


0.260" - 1.635"

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Standard Inventory Specifications

  • UNS N07718
  • Cold Reduced
  • AMS 5962
  • AMS 5662 (Chem only)
  • B50TF15 (Chem only)
  • C50TF13 (Chem only)
  • Hi Shear 156 (Chem only) Type 2*
  • SPS M 637
  • MS 319
  • AIC MS 110
  • VMS 110
  • DMS 2209

Other industry standards we comply with:

  • GE Aircraft Engine (GT193)
  • GE Aviation S-SPEC-35 AeDMS S-400
  • RR SABRe Edition 2
  • DFARS Compliant

Common Trade Names

  • Nickel 718 Cold Reduced
  • Alloy 718 Cold Reduced
  • Inconel® 718 Cold Reduced

Common Applications of 718 CR

  • Aerospace
  • Fasteners

Chemical Composition

Chemical Composition of 718 Cold Reduced Nickel
Element Percent by Weight
Ni Nickel 50.0 - 55.0%
Al Aluminum 0.20/0.80%
Si Silicon 0.35% max
Cr Chromium 17.0 - 21.0%
Co Cobalt 1.00% max
P Phosphorus 0.015% max
Nb Columbium 4.75 - 5.50%
B Boron 0.006% max
S Sulfur 0.15% max
Mo Molybdenum 2.80 - 3.30%
C Carbon 0.08% max
Cu Copper 0.30% max
Ti Titanium 0.65 - 1.15%
Mn Manganese 0.35% max
Fe Iron Balance
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Rating: 12% of B-1112

Typical stock removal rate: 20 surface feet/minute with high-speed tooks, 80 surface feet/minute with carbide.

Carbide tooling preferred for turning operations, but high-speed steel preferred for milling (to avoid tooth chipping).  Use relatively heavy cuts and low speeds to minimize surface work hardening. Roughing cuts are usually made before hardening, finishing cuts after hardening.  Allow a contraction due to hardening of about 0.001 inch per inch of the workpiece dimensions.


0.297 lbs/in3, 8.22 g/cm3

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Mechanical Properties of 718 Cold Reduced Nickel



Tensile Strength    

160 ksi minimum

Yield Strength        

120 ksi minimum

Elongation (4D)

12% minimum


Rc32 minimum

Reduction of Area

18% minimum


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*INCONEL and INCOLOY are trademarks of the Special Metals Corporation group of companies. 

*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.