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Non-Corrosion Resisting Steel S157 / 3S107
Technical Data Sheet
| Chemical Composition Limits | |||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni |
| S157 | 0.12-0.17 | 0.15-0.40 | 0.30-0.60 | P 0.025 S 0.020 | 0.80-1.10 | 0.20-0.30 | 3.00-3.50 |
| Chemically similar British Specifications BS.970 Pt3 | |||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni |
| 832H13 832M13 | 0.10-0.16 | 0.10-0.35 | 0.35-0.60 | P 0.040 S 0.050 | 0.70-1.00 | 0.10-0.25 | 3.00-3.75 |
| EN36A | 0.12-0.18 | 0.10-0.35 | 0.30-0.60 | 0.050 | 0.60-1.10 | 0.10-0.025 | 3.00-3.75 |
| Other Chemically similar Specifications | |||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni |
| AFNOR 16NCD13 | 0.12-0.17 | 0.35 max | 0.50 max | P 0.030 S 0.025 | 0.85-1.15 | 0.15-0.30 | 3.00 - 3.5 |
| WS 1.6657 14NiCrMo 13 4 | 0.12-0.17 | 0.15-0.40 | 0.30-0.60 | P 0.030 S 0.025 | 0.80-1.10 | 0.20-0.30 | 3.00 - 3.5 |
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 |
| S157 | Hardened and Tempered | 1180-1380 | 930 | 8 | 241 max |
Availability
Alloy S157 is available in Bar. For all stock availability contact Sales.
