S7 / 45CrMoV7
1.2357Shock-resistant tool steel with excellent toughness at high hardness. Air or oil hardening. Used for chisels, shear blades, punches, rivet sets, and any tooling subjected to heavy impact loading. The primary S-type tool steel in AISI classification.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI S7 | T41907 | REF |
| 🇪🇺 | EN | Europe | 45CrMoV7 | 1.2357 | 100% |
Sources: ASTM A681, EN ISO 4957
Mechanical properties
Compatibility verdict
S7 / 45CrMoV7 and 45CrMoV7: 100% composition match
Related materials
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1.2080High-carbon high-chromium cold-work tool steel. Excellent wear resistance and dimensional stability after heat treatment. Used for blanking and forming dies, drawing mandrels, gauges, shear blades, and thread rolling dies. Not suitable for impact loading.
D2 / X155CrVMo12-1
1.2379Premium high-carbon high-chromium cold-work tool steel with vanadium and molybdenum. Air-hardening with minimal distortion. Superior wear resistance and edge retention. The global benchmark for cold stamping dies, blanking tools, shear blades, and forming tools.
P20 / 40CrMnMo7
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