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Steel, Corrosion and Heat Resistant

12Cr, Ferrite Controlled, Annealed

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  • UNS Number - UNS S41001
  • Specification - AMS 5612
  • Form - Bars, Wire, Forgings, Tubing, and Rings

General Information

This specification covers an aircraft-quality, corrosion and heat resistant steel in the form of bars,
wire, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings.

Mechanical Properties

Property Min Value Max Value
N/mmsq 0.2% Yield Strength 0 0
N/mmsq Ultimate Tensile Strength 0 0
% Elongation 0 0
% Reduction of Area 0 0
Hardness Rockwell B (HRB) 0 241
Hardness Rockwell C (HRC) 0 0
Hardness Brinell (BHN) 0 0
Hardness Vickers (HV) 0 0

Chemical Elements

% Carbon (C) 0.12 0.15
% Chromium (Cr) 11.50 12.50
% Manganese (Mn) 0 0.60
% Molybdenum (Mo) 0 0.50
% Nickel (Ni) 0 0.75
% Phosphorus (P) 0 0.025
% Sulphur (S) 0 0.025
% Silicon (Si) 0 0.50
% Iron (Fe) 84.27 88.38
% Copper 0 0.50
% Magnesium 0 0
% Zinc 0 0
% Titanium 0 0
% Aluminium 0 0.05
% Cobalt (Co) 0 0
% Zirconium (Zr) 0 0
% Boron (B) 0 0
% Lead (Pb) 0 0
% Bismuth (Bi) 0 0
% Selenium (Se) 0 0