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Alco-S(Universal Cyclops) - Heavy duty, highly shock resistant Chromium-Tungsten tool steel. According to SAE J438B standard code, Si can be present in higher concentrations than shown, and Mo is optional.
Manufacturing Technology - Ingot
Country - United States(US)
- Standard Specs
- AFNOR - 45WCrV8
- AFNOR - 55WC20
- AISI - S1
- BS - BS1
- BS - 2542
- CSN - 19733*
- CSN - 19732
- DIN - 45WCrV7
- DIN - 50WCrV8*
- DIN - 45WCrV17
- DIN - X60CrWV7
- EN - 45WCrV8
- EN - 60WCrV8*
- GB - 5CrW2Si
- GB - 6CrW2SI
- GOST - 6ChV2S
- GOST - 5HW2SF
- GOST - 5KHV2SF
- GOST - 4Ch2VS
- JIS - SKS4*
- JUS - C.6443
- PN - NZ2
- SIS - 2710
- STAS - 45VSiCrW20*
- UNE - F.5242
- UNE - 45WCrSi8
- UNE - F.5241
- UNI - 58WCr9KU
- UNI - 45WCrV8KU
- UNI - 45WCrV8
- UNS - T41901
- W-Nr - 1.2542
- W-Nr - 1.2250
- Proprietary Equivalents
- Allegheny Ludlum - Seminole Hard
- Allegheny Technologies - Top Notch
- Atlas Steel - Falcon 6&4
- Barworth Flockton - N
- Beardshaw - PCSK
- Bestar - BE2542
- Bethlehem - 67Chisel
- Bohler-Uddeholm - UHB Regin 3
- Bohler-Uddeholm - Regin 3
- Braeburn - Vibro
- Carpenter - Excelo
- Carrs Tool Steels - BCC
- Columbia Steel - Buster
- Cooks Steels - Pneumo
- Crucible - Atha Pneu
- Crucible - NU-DIE XTRA
- Crucible - CSM13
- Disston-Sons - Keystone Alloy Chisel
- Firth Brown - CCW
- Firth Brown - Cromodie
- Firth-Sterling - J.S. Punch
- GGD Metals - GGD-S1
- George H Cook & Co - Pneumo
- Houghton & Richards - H&R No.225
- Huntsman - CHD1
- Hydra - Searcher
- Jessop Saville - H50
- Jessop Saville - Ok Crown
- Kind & Co - PK
- Latrobe - XL-Chisel
- Lohmann - LO-K 2550
- Metal Ravne - OSIKRO2
- Novo - ALHD
- Novo - KLAH
- Ossenberg - EPM
- Parkin - FMP399
- Parkin - FMP329
- Poldi - TENAX N
- Poldi - Tenax S
- Samuel Osborn & Co - 2P
- Samuel Osborn & Co - JE
- Sanderson Kayser - KE960
- Sanderson Kayser - KEA145
- Sanderson Kayser - K960
- Schoeller Bleckman Steels - Noresco Tyrant Extra
- Simonds - Commando
- Stone Steel - Super TKL
- Stones Steels - TKL
- Stora Steel - Stora18
- Stora Steel - Stora67
- Thyssen-Krupp - Thyrodur2550
- Universal Cyclops - Cyclops S1
- Universal Cyclops - Alco-M
- Vasco Metal - Par-Exc
- Villares Metals - VW3
- Walter Somers - VMC
- Ziv Steel - Maxtuff
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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