Superior Mirror Mould Steel NAK80

 Chemical composition: typical analysis(%)

 Available sizes: Round dia 16mm to 600mm; flat 16 - 400mm x 200 – 800mm

 Manufacture: ESR, hot forged

 Surface condition: black/grinded/rough turned/milled

 Delivery condition: quenched and tempered

 Hardness: after Q+T, hardness 38-42HRC

 Characteristics:
super clean, ESR manufacturing process
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
machines up to 20% faster than 30HRC P20 mold steels
never needs stress relieving, even after heavy maching
super polishability, even over welded areas

 Applications:
clear lens molds
extremely critical diamond finish applications
molds requiring special EDM finish.

(All technical information is for reference only.)