Product Name:PLASTIC MOULD STEEL---NAK80 /GB 10Ni3MnCuAl

Similar steel grades:

Chemical Composition(GB) %

Principal Feature:

age-hardened for uniformity of hardness throughout, even in heavy section. when welded, leaves no witness lines after re-aging, uniform grain structure with no pin holes, inclusions or hard spots.never needs stress relieving, even after heavy maching, super polishability, even over welded areas .Very good workability and mirror polishing property, suitable for thermoset molding of general resin.

Pre-hardened to HRC36-43, ,heat treatment and deformation could off.

Solution treatment and heat treatment to HRC36-43.

Typical Application:

Used for high precision mirror plastic mould, high appearance home electronic plastic mould, clear lens molds.
extremely critical diamond finish applications, molds requiring special EDM finish

Heat Treatment:

Harden: Preheat at 840℃- 870℃ Cool in air, iol or into salt bath held at 200℃- 500℃ and then air cool.

Solid solution : at 850℃ Cool in air

Aging : at 520℃-540℃ Cool in air

Size available:

KEY WORDS: SPECIAL STEEL, MOULD STEEL, ALLOY STEEL, STEEL BAR, STEEL FLAT, DIE STEEL, SUPER-MIRROR LIKE PRECIOUS PLASTIC MOULD STEEL. GB 10Ni3MnCuAl, JIS NAK80