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Bohler-Uddeholm POLMAX® 420 Modified - Stainless Mold Steel
Categories: Metal; Ferrous Metal; Stainless Steel

Material Notes: Polmax is an excellent choice for extreme surface finish requirements. This high performance grade achieves surface finishes that go well beyond conventional tool steels. Polmax is specifically engineered for cavities, cores and inserts, and a broad range of product applications that demand superior surface finish. Examples include optical, ultra clean medical applications and CD/DVD applications.

POLMAX® is characterized by:

  • Excellent polishability
  • Good corrosion resistance
  • Good wear resistance
  • Good machinability
  • Good stability in hardening

Vendors:
Available Properties
  • Density, hardened to 52 HRC
  • Density, hardened to 52 HRC
  • Density, hardened to 52 HRC
  • Hardness, Brinell, Soft annealed (Delivery condition)
  • Hardness, Rockwell C, tempering temp 200 - 1200°F
  • Tensile Strength, Ultimate, hardened to 52 HRC
  • Tensile Strength, Yield, hardened to 52 HRC
  • Modulus of Elasticity, (hardened to 52 HRC)
  • Modulus of Elasticity, hardened to 52 HRC
  • Modulus of Elasticity, hardened to 52 HRC
  • CTE, linear, hardened to 52 HRC
  • CTE, linear, hardened to 52 HRC
  • Specific Heat Capacity, hardened to 52 HRC
  • Thermal Conductivity, hardened to 52 HRC
  • Thermal Conductivity, hardened to 52 HRC
  • Thermal Conductivity, hardened to 52 HRC
  • Carbon, C
  • Chromium, Cr
  • Iron, Fe, as balance
  • Manganese, Mn
  • Silicon, Si
  • Vanadium, V
  
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