Technical Data Sheet
| Chemical Composition Limits | |||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni |
| S142 | 0.22-0.029 | 0.15-0.35 | 0.50-0.80 | P 0.020 S0.015 |
0.90-1.20 | 0.15-0.25 | 0.30 max |
| Other Chemically similar Specifications | |||||||
| Weight% | C | Si | Mn | P+S max | Cr | Ni | Other |
| AFNOR 25CD4 | 0.22-0.28 | 0.10-0.40 | 0.60-0.90 | P 0.035 S 0.035 |
0.85-1.15 | 0.15-0.30 | – |
| WS 1.7218 25CrMo4 |
0.22-0.29 | 0.15-0.40 | 0.50-0.80 | P 0.035 S 0.035 |
0.90-1.20 | 0.15-0.30 | – |
Typical Mechanical Properties
| Grade | Treatment | Tensile Strength Rm , N/mm² | Proof Stress Rp 0.2, N/mm² | Elongation in 5.65 √Cross Sectional Area% | Hardness HB | Ruling Section |
| S142 | Solution Annealed | – | – | – | 212 max | |
| S142 | Hardened and Tempered | 900-1100 | 700 | 30 | 269-331 | 1 3/4" |
Availability
Alloy S142 is available in Bar, for all stock availability contact Sales.