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Nickel Alloy, Corrosion and Heat-Resistant, 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50AI - 18Fe

Consumable Electrode or Vacuum Induction Melted 1775 °F (968 °C) Solution Heat Treated, Precipitation-Hardenable

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  • UNS Number - UNS N07718
  • Specification - AMS 5662
  • Form - Bars, Forgings, and Rings

General Information

This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings,
flash welded rings, and stock for forging, flash welded rings, or heading.

Mechanical Properties

Property Min Value Max Value
N/mmsq 0.2% Yield Strength 1034 0
N/mmsq Ultimate Tensile Strength 1276 0
% Elongation 12 0
% Reduction of Area 15 0
Hardness Rockwell B (HRB) 331 0
Hardness Rockwell C (HRC) 0 0
Hardness Brinell (BHN) 0 0
Hardness Vickers (HV) 0 0

Chemical Elements

% Carbon (C) 0 0.08
% Chromium (Cr) 17.00 21.00
% Manganese (Mn) 0 0.35
% Molybdenum (Mo) 2.80 3.30
% Nickel (Ni) 50.00 55.00
% Phosphorus (P) 0 0.015
% Sulphur (S) 0 0.015
% Silicon (Si) 0 0.35
% Iron (Fe) 11.0832 24.6
% Copper 0 0
% Magnesium 0 0
% Zinc 0 0
% Titanium 0.65 1.15
% Aluminium 0.20 0.80
% Cobalt (Co) 0 1.00
% Zirconium (Zr) 0 0
% Boron (B) 0 0.006
% Lead (Pb) 0 0.0005
% Bismuth (Bi) 0 0.00003
% Selenium (Se) 0 0.0003