Plastic Injection

– Stainless Tool Steels –

V’1.2083 ESR

ESRed plastic mold steel with perfect polishability and very good corrosion resistant

Chemical Composition

NO DIN C Si Cr Mn P S
V’1.2083 X40Cr14 0,36-0,42 Max 1,00 12,50-14,50 Max 1,00 Max 0,025 Max 0,05

Material Properties

  • Very good corrosion resistance.
  • Good wear resistance.
  • Excellent polishability and surface finish.
  • Good machinability.
  • Heat treatable up to 52 HRc.
  • Limited texturing and nitriding ability.
  • Good coating ability.
  • High wear resistance.

Applications

  • Molds and tools for corrosive environment
  • Small to medium sized cavities and cores used for molding corrosive plastics like PVC
  • Molds working in humid environment
  • Core and cavities for long production runs with high gloss surface finish
  • Widely used in dies requiring mirror like surface finish (A1+).
  • Medical and optical industry such as spectacles and lenses.

Heat Treatment

HEAT TREATMENT TEMPERATURE
Soft Annealing 760-800°C
Stress Relieving 600-650°C
Hardening 1000-1050°C
Tempering 200-550°C

Physical Properties

20°C 100°C 200°C 300°C 400°C
Elastic Modulus [kN/mm²] 220 - - - -
Thermal expansion coefficient [10ˉ6/K] - 10,5 10,9 11,3 11,6
Thermal conductivity [W/mK] 22 - 24 26 -

Delivery Condition

241 HB, Soft Annealed

Tempering Graph