K12021
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, % |
P, % |
C, % |
S, % |
Mo, % |
|---|
| UNS |
97.225–98.59 |
0.13–0.45 |
0.87–1.41 |
< 0.04 |
< 0.2 |
< 0.035 |
0.41–0.64 |
Information on suppliers
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |