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• UNS Number - UNS S15500
• Specification - AMS 5659
• Form - Bars, Wire, Forgings, Rings, and Extrusions

General Information

This specification covers a corrosion-resistant steel in the form of bars, wire, forgings, flash welded
rings, extrusions, and stock for forging, flash welded rings, or extruding.

Mechanical Properties

Property	Min Value	Max Value
N/mmsq 0.2% Yield Strength	1172	0
N/mmsq Ultimate Tensile Strength	1310	0
% Elongation	10	0
% Reduction of Area	35	0
Hardness Rockwell B (HRB)	388	444
Hardness Rockwell C (HRC)	0	0
Hardness Brinell (BHN)	0	0
Hardness Vickers (HV)	0	0

Chemical Elements

% Carbon (C)	0	0.07
% Chromium (Cr)	14	15.5
% Manganese (Mn)	0	1.00
% Molybdenum (Mo)	0	0.5
% Nickel (Ni)	3.5	5.5
% Phosphorus (P)	0	0.03
% Sulphur (S)	0	0.015
% Silicon (Si)	0	1.00
% Iron (Fe)	71.435	80
% Copper	2.5	4.5
% Magnesium	0	0
% Zinc	0	0
% Titanium	0	0
% Aluminium	0	0
% Cobalt (Co)	0	0
% Zirconium (Zr)	0	0
% Boron (B)	0	0
% Lead (Pb)	0	0
% Bismuth (Bi)	0	0
% Selenium (Se)	0	0