K21509
Classification
Country |
Section |
Category |
USA |
Miscellaneous steels and ferrous alloys, including Maraging, Stainless Steel, HSLA, Iron-Base Superalloys |
Alloy Steel, Alloy Steel Electrode and Welding Wire, High-Strength Low-Alloy Steel |
Chemical composition
Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Cu, % |
P, % |
C, % |
S, % |
Mo, % |
UNS |
95.34–97.61 |
< 0.5 |
0.3–0.6 |
1.65–2.35 |
< 0.35 |
< 0.03 |
< 0.15 |
< 0.03 |
0.44–0.65 |
Information on suppliers
Standards
Description of chemical elements
Element |
Units of measurement |
Description |
Fe |
% |
Iron |
Si |
% |
Silicon |
Mn |
% |
Manganese |
Cr |
% |
Chrome |
Cu |
% |
Copper |
P |
% |
Phosphorus |
C |
% |
Carbon |
S |
% |
Sulfur |
Mo |
% |
Molybdenum |