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CSP(Stones Steels) - Popular forging steel. Used by many custom makers and mass makers including Randall. Good edge stability and wear resistance, not as tough as AISI A2 or its equivalents, but still quite good in that department. Can reach 65HRC, and works well with refined edge as a light/medium cutter. Randal uses it around 56HRC and other makers use it around 56-58HRC for larger knives, and above that medium/small knives. If you are looking for a hard use knife, Crucible CPM 3V, AISI L6 or AISI A2 and their equivalents would all make a better choice. For small knives it's definitely a better performer at high hardness.
Manufacturing Technology - Ingot
Country - United States(US)
- Standard Specs
- AFNOR - 90MnWCrV5
- AFNOR - 90MWCV5
- AFNOR - 90MCW5
- AFNOR - 100MCW4
- AISI - O1
- BS - BO1
- CSN - 19314
- DIN - 100MnCrW4
- EN - 95MnWCr5
- GB - 9CrWMo
- GB - 9CrWMn
- GB - MnCrWV
- GOST - XBCG
- GOST - HVSGF
- GOST - HVSG
- GOST - KHVSG
- GOST - XVSG
- GOST - 9KHVG
- GOST - 9KHGVF
- GOST - KHVSGF
- GOST - XBCGF
- JIS - SKS3
- MSZ - W9
- PN - NMWV
- SIS - 2140
- UNE - 95MnCrW5
- UNE - F.5220
- UNI - 95MnWCr5KU
- UNS - T31501
- W-Nr - 1.2825
- W-Nr - 1.2510
- Proprietary Equivalents
- ? - Xarnie
- Allegheny Ludlum - Saratoga
- Allegheny Technologies - Truform
- Assab - DF3
- Assab - DF2
- Associated Steel - Molex #7
- Balfour & Darwins - TOH
- Barworth Flockton - 528
- Beardshaw - HM1
- Bestar - BE2510
- Bethlehem - BTR
- Bohler-Uddeholm - Arne
- Bohler-Uddeholm - K460
- Boncato - B10
- Braeburn - Kiski
- Carpenter - Carpenter O1
- Carrs Tool Steels - 09B
- Columbia Steel - Exldie
- Cooks Steels - CRP01
- Crucible - Ketos
- Daido - GOA
- Daido - GO3
- Disston-Sons - ManSil
- Dorrenberg - Z3C
- EST - YTO1
- Firth Brown - MCT
- Firth-Sterling - Invaro1
- GGD Metals - GGD-O1
- George H Cook & Co - CRP
- Hadfields - Hecla15
- Hitachi - SGT
- Houghton & Richards - H&R Tungsten Oil Hardening
- Huntsman - SNSC
- Hydra - Vampire
- Inman & Co - ID1
- International Steel - Lukens O-1
- Jessop Saville - K4 Special
- Latrobe - LSS O1
- Latrobe - Badger
- Lohmann - LO-K 2510
- Macreadys - NSOH
- Metal Ravne - OW4
- Michael & Joseph Wing - MJW OH
- NKK - NKE3
- Nippon Koshuha - KS3
- Novo - TPM
- Novo - SPM
- Parkin - FMP200
- Poldi - Stabil K
- Precision Kidd - Keystone
- Precision Marshall - Oilcrat
- Precision Marshall - Presco
- Rochling - RUS-3
- Samuel Osborn & Co - GS Hand & Heart
- Sanderson Kayser - KE672
- Sanderson Kayser - KE672
- Sanderson Kayser - Newhall
- Sanderson Kayser - Pitho
- Sanyo - QKS3
- Schoeller Bleckman Steels - Noresco Favorit
- Simonds - Teenax
- Stone Steel - SPCR
- Stone Steel - CSP
- Stora Steel - Stora 16
- Teledyne Technologies - Colonial No. 6
- Thyssen-Krupp - Thyrodur2510
- Universal Cyclops - Wando
- Vanadium Alloys - No. 6 Non-Shrink
- Villares Metals - VND
- Wardlow - WNS30
- Weld Mold - Weld Mold 935
- Ziv Steel - Hargus
NOTE - Approximate composition based on manufacturer's or standard reference information and other alloys in the same reference group is shown.
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