Erasteel EM4 Knife Steel
Composition Analysis Graph, Equivalents And Overview

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EM4(Erasteel) - ASP 2004 is Erasteel PM version of the AISI M4 tool steel. Very good knife steel on its own, and PM technology makes it even better.

Manufacturing Technology - Ingot

Country - France(FR)

• Erasteel EM4 and equivalent steel knives reviews
  • CPM M4 steel - Phil Wilson Large Skinner Meadows knife review

Known Aliases:
Erasteel - ASP2004

• Standard Specs
  • AFNOR - X130WMoCrV 06-05-04-04
  • AISI - M4
  • DIN - PMHS6-5-4
  • EN - HS6-5-4
  • EN - HS654
  • GB - W6Mo5Cr4V4
  • GOST - R6M5F4
  • JIS - SKH54
  • UNS - T11304
  • W-Nr - 1.3361
  • W-Nr - 1.3394

• Proprietary Equivalents
  • Akers - Supra1
  • Akers - Alpha4
  • Allegheny Ludlum - DBL4
  • Assab - ASPM4
  • Atlas Steel - Atlas M4
  • Bohler-Uddeholm - S692 MICROCLEAN
  • Bohler-Uddeholm - S692
  • Bohler-Uddeholm - S693
  • Bohler-Uddeholm - S693 MICROCLEAN
  • Braeburn - Braefour
  • Carpenter - Micro-Melt M4
  • Carpenter - Four Star
  • Carpenter - Carpenter Four Star
  • Columbia Steel - Molite42
  • Crucible - CPM Rex M4(HC)
  • Crucible - CPM M4
  • Diehl - PM M4
  • Dorrenberg - PMD M4
  • Geruk - GPM4
  • Heye - HYM4
  • Hitachi - XVC11
  • Houghton & Richards - H&R No.7
  • Kobelco Steel - KHA33
  • Latrobe - DuraTech Mega4
  • Latrobe - DuraTech M4
  • Latrobe - Stark
  • Latrobe - Mega4
  • Lindquist Steels - M4PM
  • Lohmann - LO-QPM M4
  • Metal Ravne - BRM4
  • Mitsubishi Steel - MAC-C
  • Nachi Fujikoshi - HM4
  • Rovalma - CSW20
  • SIJ Metal Ravne D.O.O. - SIRapid 3351
  • Thyssen-Krupp - TSP4
  • Vasco Metal - Neatro