4140 4142
The designation 4140 4142 is carried by 2 different grades. Compare them on the elements that actually differ, then open the one your print means.
- Matching grades 2
- Category Steels for surface hardening · 13 grades
- Category Quenched and tempered steels · 133 grades
Which of the 2 do you want?
This name is carried by several grades. The elements shown are the ones whose values actually differ across the set — the ones that decide the question. Values are the source text verbatim; an em dash means no value on file for that element on that grade, not zero.
| Grade | Material no. | Category | Designations | C% | Si% | Mn% |
|---|---|---|---|---|---|---|
| 1.7223 | 1.72231.7 | Steels for surface hardening | 30 | 0,38-0,44 | 0,15-0,40 | 0,50-0,80 |
| 1.7225 | 1.72251.7 | Quenched and tempered steels | 95 | 0,38-0,45 | ≤0,40 | 0,60-0,90 |
Not sure which one your print means?
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