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These are some common stainless steels used in knife production. The numbers for edge retention, toughness, and corrosion resistance are relative numbers drawn from various sources, including articles, reference sources, and various persons considered industry experts and influencers. The ratings are from 0-10 with 10 being the best. P/I stands for Powder or Ingot formed steels. Steel Edge Tough Corrosion Misc 12C27 3 5 6 Sandvik: Sweden 13C26 3 8 6 Sandvik: Similar to AEB-L 14C28N 3 9 8.5 Sandvik 19C27 4 7.5 7 Sandvik 154CM 4.5 3.5 7 Crucible: USA, 440C 420 3 10 8 Latrobe: USA 420HC 4 9 8 " " 440A 4 4 9 " " 440C 5 4 8 " " 5Cr15MoV 3 3 7 China 8Cr13MoV 3 6 7 " " 8Cr18MoV 4 6 8 " " 9Cr18MoV 5 4 8 " " AR-RPM9 4 6 6 Made by Artisan Cutlery ATS-34 4 4 7 Similar to 154CM: Japan ATS-55 5 5 8 Mostly used by Spyderco AUS-8 3 6 7 Hitachi: Japan AUS-10 4 6 7 " " CPM-154 5 5 7 Crucible: RWL-34, ATS-34 CPM-20CV 7 4 9 " " M390, CTS-204P CPM-S30V 6 4 8 Crucible CPM-S35V 5 5 7 Created by Chris Reeve CPM-S35VN 6 4 8 Crucible RJ Martin CPM-S45VN 6 4 8 Crucible CPM-S60V 7 4 7 Updated CPM-440V CPM-S90V 9 4 8 Crucible CPM-S110V 8 4 9 Crucible CPM-S125V 10 3 8 Crucible CPM-MagnaCut 7 7 10 Larrin Thomas creation CTS-204P 7 4 9 Carpenter Tech. M390 & 20CV CTS-BD1N 4 4 9 " " " " US made CTS-XHP 6 5 7 Powdered Metal D2 Elmax 6 4 8 Bohler/Uderholm, Austrian AEB-L 3 9 7 " " " " M390 7 4 9 " " " " 20CV &204P N680 4 9 8 " " " " N690 4 4 8 " " " " Vanax 6 5 10 " " " " LC200N 3 9 10 Zapp Co. Germany 1.4116 3 2 8 German Nitro-V 3 8 7 New Jersy Steel, better AEB-L RWL-34 5 5 7 Damasteel, Sweden, See PMC27 Damasteel Sweden, a co. and a product Damacore See above 2 items San Mi A laminated steel H1 1 10 10 Myodo Metal, Japan Outdated VG-10 5 4 7 TakeFu Steel, Japan, ZDP-189 8 2 5 Hitachi, Japan
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Performance Rankings of Stainless Blade Steels
Posted by Don Farmer on