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Invaro 2(Firth-Sterling) - Oil hardening tool steel. Working hardness up to 63-65HRC. Makes pretty decent performer for light/medium use knives at that hardness.
Manufacturing Technology - Ingot
Country - United States(US)
- Firth-Sterling Invaro 2 and equivalent steel knives reviews
- Proprietary Equivalents
- Allegheny Ludlum - Deward
- Assab - Aros
- Bestar - BE2842
- Bohler-Uddeholm - K720SA
- Bohler-Uddeholm - K720
- Boncato - B42
- Braeburn - S.O.D.
- Carpenter - Carpenter O2
- Carpenter - Stentor
- Crucible - Paragon
- Daido - YK30*
- Deutsche Edelstahlwerke - Cryodur2842
- Dorrenberg - ZB1
- Eschmann-Stahl - ES60S
- Ferlat Acciai - SDM
- Houghton & Richards - H&R Oil Hardening
- Jessop Steel - Special Oil Hard
- Kind & Co - MKST
- Latrobe - Mangano
- Lohmann - LO-K 2842
- Metal Ravne - Merilo
- Metal Ravne - Measure
- Ossenberg - UVW2
- Poldi - Stabil
- Poldi - Stabil SP
- Poldi - Stabil Special
- Secosar - RUS
- Simonds - 864
- Thyssen-Krupp - Thyrodur2842
- Trinec - 80Mn2V
- WSM Werkzeugstahl - MNV8
- Zapp - VM20
- Ziv Steel - Nomar
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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