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Spinodally Hardened Copper-Nickel-Tin Alloy - Moldmax XL

Supplier: James Coppell Lee playlist_addCompare

Moldmax XL is a unique spinodally hardened copper-nickel-tin alloy that combines high strength and high thermal conductivity.

Price Guide (Inc GST): POA

Available in large plate thicknesses up to 17 inches and rounds in diameters up to 23 inches, Moldmax XL can be used as a direct replacement for P-20 tool steels.

The increased thermal conductivity allows faster cycle times and significant cost savings.

Moldmax XL has the following attributes:

  • Heat treated and ready to machine.
  • Resistance to corrosion.
  • Fully machineable.
  • Easy to polish.
  • Weldable to copper and other alloys,
  • Available in large block sizes.
  • High level of strength and conductivity.

These attributes lead to the following benefits:

  • Reduced cycle times and increased profitability.
  • Improved product dimensional stability.
  • Shortened mold lead time compared to steel.
  • Ability to use in corrosive environments
  • Larger sizes simplify tool constructions.


Moldmax XL is suitable for the specific uses of:

  • Mold cavities
  • Mold cores
  • Mold inserts

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