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A2 / X100CrMoV5

1.2363
tool_steelcold_work
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Air-hardening cold-work tool steel. Combines good wear resistance with excellent dimensional stability during heat treatment (minimal distortion). Used for punching/blanking dies, forming tools, shear blades, gauges, and precision tooling where low distortion is critical.

International equivalents

FlagStandardCountryGradeNumberMatch
🇺🇸AISIUSAAISI A2T30102REF
🇪🇺ENEuropeX100CrMoV51.2363100%
🇯🇵JISJapanSKD12—90%

Sources: ASTM A681, EN ISO 4957, JIS G4404

Mechanical properties

Compatibility verdict

A2 / X100CrMoV5 and SKD12: 90% composition match

Related materials

X210Cr12

1.2080
cold_work

High-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.

🇪🇺 X210Cr12🇯🇵 SKD1🇨🇳 Cr12🇷🇺 Kh12

D2 / X155CrVMo12-1

1.2379
cold_work

Premium 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.

🇪🇺 X155CrVMo12-1🇯🇵 SKD11🇨🇳 Cr12Mo1V1🇷🇺 Kh12MF

P20 / 40CrMnMo7

1.2311
plastic_mold

Pre-hardened plastic mold steel (usually delivered at 28-34 HRC). The most widely used mold base steel globally. Good machinability in pre-hardened condition, good polishability. Used for injection molds, die-casting dies, extrusion tooling, and structural mold components.

🇪🇺 40CrMnMo7🇨🇳 3Cr2Mo🇯🇵 SCM440 (modified)
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