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Irrubigo 4021(Schmidt+Clemens) - Highly stain resistant steel, popular choice for budget and other knives requiring high corrosion resistance, e.g. diving knives.
Manufacturing Technology - Ingot
Country - Germany(DE)
- Schmidt+Clemens Irrubigo 4021 and equivalent steel knives reviews
- Standard Specs
- AFNOR - Z20C13
- AISI - 420
- BS - 420S37*
- BS - CDS-18
- BS - X39Cr13
- CSN - 19434
- CSN - 17022
- DIN - X20Cr13*
- DIN - X21Cr13
- GB - 20Cr13
- GB - 2Cr13
- GB - 3Cr13*
- GB - 30Cr13*
- GOST - 20X13
- GOST - 20KH13
- GOST - 20Ch13
- GOST - 40X13*
- GOST - 20H13
- IS - X40Cr13
- JIS - 420J1
- JIS - SUS420J1*
- JUS - C.4172
- PN - 2H13
- SIS - 2303
- UNE - F.3402
- UNE - X20Cr13
- UNI - X21Cr13Ku
- UNI - X20Cr13
- UNS - S42000
- W-Nr - 1.2082
- W-Nr - 1.4021
- Proprietary Equivalents
- ? - HEMS1A
- Assab - RamaxHH
- Assab - RamaxLH
- Aurora Steels - RAB420
- Bohler-Uddeholm - M310*
- Bohler-Uddeholm - N540
- Bohler-Uddeholm - N320
- Carrs Tool Steels - P1008
- Carrs Tool Steels - P1008R
- Cooks Steels - 420 Plus
- Crucible - CSM420
- Daido - DSR1K2
- Daido - DSR20
- Daido - DSR20HA
- Dunford Hadfields - Galahad D
- GSB Acero - INOX-1
- GSB Acero - INOX-4021
- Hitachi - HI-PM38S
- Hitachi - HI-PM38
- Kind & Co - RF-Spezial
- Kind & Co - Coracid420
- Metal Ravne - PK3
- Osto Wolff - Korronit-M
- Poldi - AK2 Special
- Precision Marshall - Ruetom Special
- Precision Marshall - Reutom
- Robert-Leyer-Pritzkow - Blanco M3
- Robert-Leyer-Pritzkow - Blanco M1
- Robert-Leyer-Pritzkow - Blanco RCM
- Societe Nouvelle - Inox2
- Thyssen-Krupp - Remanit 4021
- Trinec - 20Cr13
- Ugine & Alz - Uginox MA2
- Villares Metals - VC150
NOTE - Approximate composition based on manufacturer's or standard reference information and other alloys in the same reference group is shown.
* - Listed as an equivalent or replacement for alloys in this group.
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