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Ontario(Allegheny Ludlum) - First appeared during WW II, semi-stainless tool steel. Very popular even today. Pretty much every steel manufacturer makes it and it's quite popular with knifemakers, custom and factory alike. Composition-wise it's almost a stainless steel. Resists rust pretty well, good edge holding and ok toughness. Bob Dozier is perhaps the most acknowledged expert of D2 steel knives.
Manufacturing Technology - Ingot
Country - United States(US)
- Allegheny Ludlum Ontario and equivalent steel knives reviews
- D2 steel - Benchmade 806D2 AFCK Axis D2 knife review
- D2 steel - Benchmade 156 CSK knife review
- D2 steel - Benchmade 710-02 LE McHenry & Williams knife review
- D2 steel - Benchmade 710-01 McHenry & Williams knife review
- D2 steel - Camillus Aftermath knife review
- D2 steel - Camillus EDC knife review
- D2 steel - Camillus Maxx knife review
- D2 steel - Neil Blackwood American Ninja knife review
- D2E steel - REKAT Sifu knife review
- D2 steel - Swamp Rat Knife Works Bog Dog knife review
- SKD11 steel - Yoshikane Hammer Finished Utility Fruit knife review
- Standard Specs
- AFNOR - X160CrMoV12-28
- AFNOR - Z160CDV12
- AFNOR - X169CrMV12
- AFNOR - Z155CDV12
- AFNOR - Z155CDV12.1
- AISI - D2
- BS - BD2
- CSN - 19572
- CSN - 19573
- DIN - X153CrMoV12
- DIN - X165CrMoV12*
- DIN - X150CrMoVCo12
- DIN - 100Cr4
- DIN - X155CrVMo121
- EN - X160CrMoV121
- GB - Cr12MoV
- GB - Cr12Mo1V1
- GB - Cr12Mo1V
- GOST - KH12MF
- GOST - H12F1
- GOST - KH12F1
- GOST - H12MF
- GOST - X12F1
- GOST - X12MF
- JIS - SKD11
- JUS - C.4850
- KS - STD10
- MSZ - K8
- PN - NC11LV
- SIS - 2310
- STAS - 155MoVCr115
- STAS - X153CrMoV12
- UNE - F.520A
- UNE - X160CrMoV12
- UNI - X155CrVMo121
- UNI - X150CrMo12KU
- UNI - X155CrVMo121KU
- UNS - T30402
- W-Nr - 1.2397
- W-Nr - 1.2379
- W-Nr - 1.2061
- Proprietary Equivalents
- ? - D2Mod
- ? - D2E
- ? - SF27
- Akers - Narva12A
- Allegheny Technologies - CNA1
- Alloy Tool Steel - MicrofineD2
- Amtek Tool - Amtek D2
- Assab - XW41
- Assab - XW42
- Associated Steel - Krome Die
- Atlas Steel - F.N.S.
- Aubert & Duval - SANCY2
- Aubert & Duval - SY4
- Balfour & Darwins - SC25
- Barworth Flockton - JEC
- Beardshaw - CDV2
- Bestar - BE2379
- Bethlehem - Lehigh-H
- Bohler-Uddeholm - K110
- Bohler-Uddeholm - Sverker21
- Bohler-Uddeholm - K105*
- Boncato - B79
- Bonpertuis - Z
- Braeburn - Superior #3
- Carpenter - No. 610
- Carpenter - No. 610-FM
- Carpenter - PSF27
- Carrs Tool Steels - 69S
- Columbia Steel - Atmodie
- Cooks Steels - KMW
- Crucible - Airdi 150
- Crucible - CPM D2
- Daido - DC11
- Daido - DAP DC11
- Disston-Sons - Croloy
- Doosan - STD11
- Dorrenberg - CPPU
- EST - YTL122
- Eschmann-Stahl - ES70S
- Ferlat Acciai - DTC-AR
- Firth Brown - Diehard Standard
- Firth-Sterling - Cromovan
- GGD Metals - GGD-D2
- George H Cook & Co - KMV
- Geruk - GPMD2
- Hadfields - Hecla159
- Heye - HYRD2
- Heye - HYRD2Co
- Heye - HYD2
- Hitachi - HI-PM31
- Hitachi - SLD
- Hitachi - SLD2
- Hitachi - ZCD-M
- Houghton & Richards - H&R K-2
- Hydra - VitalX
- Inman & Co - IMV
- Jessop Saville - H42
- Jessop Steel - CNS1
- Kind & Co - CH16V
- Latrobe - LSS D2
- Latrobe - Olympic
- Latrobe - Olympic FM
- Lohmann - LO-K 2379
- Lucchini - DUYOS2379
- Macreadys - Usaspead
- Metal Ravne - OCR12VM
- Mitsubishi Steel - R31
- Nachi Fujikoshi - CDS11
- Nippon Koshuha - KD11
- Nippon Koshuha - KD11S
- Nippon Koshuha - KD11V
- Novo - NRM
- Parkin - FMP336
- Poldi - 2002R
- Precision Marshall - Aristocrat
- Riken Seiko - RD11
- SIJ Metal Ravne D.O.O. - SIHard 2379
- Samuel Osborn & Co - GN
- Sanderson Kayser - KEA180
- Sanderson Kayser - KEA180
- Sanyo - QC11
- Sanyo - QCD2
- Sanyo - QCM7
- Schoeller Bleckman Steels - Noresco Dominator VM
- Secosar - RCC Supra
- Simonds - CCM
- Stone Steel - CS13M Extra
- Stones Steels - CS13M Extra
- Stora Steel - Store364
- Thyssen-Krupp - Thyrodur2379
- Thyssen-Krupp - 2379
- Universal Cyclops - Ultradie 2
- Universal Cyclops - Ultradie 3
- Vasco Metal - Ohio Die
- Villares Metals - VD2
- WSM Werkzeugstahl - WCR79
- Walter Somers - Somcold
- Weld Mold - Weld Mold 938
- Zapp - LC120S
- Ziv Steel - Darwin #1
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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