Technical Data Sheet
Chemical Composition Limits | |||||||||
Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | Al | Other |
S140 |
0.27-0.35 |
0.15-0.35 | 0.45-0.70 | P 0.025 S 0.020 |
0.50-0.80 | 0.45-0.65 | 2.30-2.80 | 0.015-0.050 | – |
2S140 | 0.27-0.35 | 0.15-0.35 | 0.45-0.70 | P 0.025 S 0.020 |
0.50-0.80 | 0.45-0.65 | 2.30-2.80 | 0.015-0.050 | – |
Chemically similar British Specifications BS.970 Pt2 | |||||||||
Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | Other | |
817Mo | 0.36-0.44 | 0.10-0.35 | 0.45-0.70 |
P 0.040 |
1.00-1.40 | 0.20-0.35 | 1.30-1.70 | – | |
EN24 | 0.35-0.45 | 0.10-0.35 | 0.45-0.70 | – | 0.90-1.40 | 0.20-0.35 | 1.30-1.80 | – | |
Other Chemically similar Specifications | |||||||||
Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | Other | |
UNI 30NiCrMo12 | 0.27-0.35 | 0.40 max | 0.50-0.80 | 0.035 | 0.60-1.00 | 0.30-0.60 | 2.60-3.20 | – |
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 |
S140 | Solution Annealed | – | – | – | 248 max | |
S140 | Hardened and Tempered | 1080-1280 | 880 | 10 | 311-388 | 6" |
Availability
Alloy S140 is available in Bar. For all stock availability contact Sales.