VIDAR™ SUPREME Hot work tool steel - Uddeholm

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2 VIDAR SUPREME This information is based on our present state of knowledge and is intended to provide general notes on our products and their uses. It should not therefore be construed as a warranty of specific properties of the products described or a warranty for fitness for a particular purpose.
General VIDAR SUPREME is a chromium-molybdenumvanadium alloyed hot work tool steel which is characterized by: • High level of resistance to thermal shock and thermal fatigue • Good high-temperature strength • Excellent toughness and ductility in all directions • Uniform and high level of machinability • Excellent through-hardening properties • Good dimensional stability during hardening. Typical C Si Mn Cr Mo V analysis % 0,38 1,0 0,4 5,0 1,3 0,4 Standard AISI H11, B H11, W.-Nr. 1.2343, specification Delivery AFNOR Z38 CDV 5, UNI X37 CrMoV 51 KU, UNE X37 CrMoV 5 condition Soft annealed to approx.180 HB Colour code Orange/red IMPROVED TOOLING PERFORMANCE The name “SUPREME” implies that by special processing techniques and close process control, the steel attains high purity and a very fine structure. Further, VIDAR SUPREME shows significant improvements in isotropic properties compared to conventionally produced material of the X38 CrMo V 51 (W.-Nr. 1.2343) type. These improved isotropic properties are particularly valuable for tooling subjected to high mechanical and thermal stresses, e.g. die casting dies and forging tools. In practical terms, tools may be used at somewhat higher working hardnesses (2 HRC) without loss of toughness. Since increased service hardness limits the formation of heat checking cracks, improved tool performance can be expected. Applications TOOLS FOR DIE CASTING Tin, lead, Aluminium-, Magnesium zinc alloys alloys Part HRC HRC Dies 46–50 42–48 Fixed inserts, cores 48–52 46–50 Sprue parts (ORVAR) (ORVAR) Nozzles (ORVAR) (ORVAR) Ejector pins (nitrided) Plunger, shot-sleeve (ORVAR) (ORVAR) (normally nitrided) (ORVAR) (ORVAR) Austenitizing 990°C 1000°C temperature (1814°F) (1832°F) TOOLS FOR HOT PRESSING VIDAR SUPREME Material Aluminium, Austenitizing temperature (approx.) HRC magnesium 1000°C (1832°F) 44–52 Copper alloys 1000°C (1832°F) 44–52 Steel 1000°C (1832°F) 40–50 OTHER APPLICATIONS Application Austenitizing temperature (approx.) HRC Severe cold 1000°C (1832°F) punching, Tempering: 52–54 scarp shears 250°C (482°F) Shrink rings 1000°C (1832°F) (e.g. for cemented Tempering: carbide dies) 575–600°C (1067–1112°F) 45–50 Wear-resisting 1000°C (1832°F) Core parts Tempering: 50–52 575°C (1067°F) Surface + Nitriding ~1000 HV0,2 3
Page 1: T OOL STEEL FACTS VIDAR SUPREME Ho
Page 5 and 6: Heat treatment SOFT ANNEALING Prote
Page 7 and 8: VIDAR SUPREME can also be nitrocarb
Page 9 and 10: Hard-chromium plating After plating

VIDAR™ SUPREME Hot work tool steel - Uddeholm

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