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Steel, Corrosion and Heat Resistant

15Cr - 25.5Ni - 1.2Mo - 2.1Ti - 0.006B - 0.30V, Consumable Electrode Melted, 1800 °F (982 °C) Solution and Precipitation Heat Treated

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  • UNS Number - UNS S66286
  • Specification - AMS 5732
  • Form - Bars, Wire, Forgings, Tubing, and Rings

General Information

This specification covers a corrosion and heat resistant steel in the form of bars, wire, forgings,
mechanical tubing, 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 586 0
N/mmsq Ultimate Tensile Strength 896 0
% Elongation 15 0
% Reduction of Area 20 0
Hardness Rockwell B (HRB) 0 0
Hardness Rockwell C (HRC) 0 0
Hardness Brinell (BHN) 248 341
Hardness Vickers (HV) 0 0

Chemical Elements

% Carbon (C) 0 0.08
% Chromium (Cr) 13.50 16.00
% Manganese (Mn) 0 2.00
% Molybdenum (Mo) 1.00 1.50
% Nickel (Ni) 24.00 27.00
% Phosphorus (P) 0 0.025
% Sulphur (S) 0 0.025
% Silicon (Si) 0 1.00
% Iron (Fe) 47.66 59.50
% Copper 0 0.50
% Magnesium 0 0
% Zinc 0 0
% Titanium 1.90 2.35
% Aluminium 0 0.35
% Cobalt (Co) 0 1.00
% Zirconium (Zr) 0 0
% Boron (B) 0.003 0.010
% Lead (Pb) 0 0
% Bismuth (Bi) 0 0
% Selenium (Se) 0 0