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Steel, Corrosion-Resistant, 15Cr - 4.5Ni - 0.30CB (Nb) - 3.5Cu

Consumable Electrode Melted,Solution Heat Treated, Precipitation Hardenable

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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