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DC53

tool_steelcold_work
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Modified D2 cold-work tool steel developed by Daido Steel (Japan). Refined Cr-Mo-V composition with higher tempering temperature capability gives ~2x the toughness of standard D2 at equal hardness (62-63 HRC). Used as D2 replacement for progressive dies, blanking tools, and cold forging where chipping is a problem.

International equivalents

FlagStandardCountryGradeNumberMatch
🇯🇵DaidoJapanDC53—REF
🇺🇸AISIUSAAISI D2 (improved)—80%

Sources: Daido Steel, ASTM A681

Mechanical properties

Compatibility verdict

DC53 and AISI D2 (improved): 80% composition match

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