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Steel, Corrosion and Heat-Resistant

18Cr - 10.5Ni - 0.70Cb (SAE 30347), Thin Wall, Solution Heat Treated

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  • UNS Number - UNS S34700
  • Specification - AMS 5558
  • Form - Welded Tubing

General Information

This specification covers a corrosion and heat-resistant steel in the form of welded tubing.

Mechanical Properties

Property Min Value Max Value
N/mmsq 0.2% Yield Strength 241 0
N/mmsq Ultimate Tensile Strength 517 724
% Elongation 35 40
% Reduction of Area 0 0
Hardness Rockwell B (HRB) 0 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 19.00
% Manganese (Mn) 0 2.00
% Molybdenum (Mo) 0 0.75
% Nickel (Ni) 9.00 12.00
% Phosphorus (P) 0 0.040
% Sulphur (S) 0 0.030
% Silicon (Si) 0.30 1.00
% Iron (Fe) 63.25 73.7
% Copper 0 0.75
% 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