NAK80（Ni-Cu-Al Pricipitation Hardening ESR Steel）

★ Excellent Polishability After EDM Process.

★ Excellent Mirror Polishabilityt. (Upto #8,000 Level) Built By Special Melting (ESR) Process.

★ Excellent Photo Etchability.

★ Prehardened At 37 - 43HRC. Ready To Be Machined Into Moulds.

★ DPT Inventory Size

Flat Bars      T：～400mm    W：～100mm

Round Bars  D：13～182mm