Metallographic diagram of hk40 (Cr25Ni20 as cast)
hk40 (cast Cr25Ni20) Microstructure
hk40 is a high strength, low-alloy steel designed for high-temperature and high-strength applications. It is a cast steel composed of chromium, nickel and 0.9 % manganese. Since it is a low-alloy steel, it is quite resistant to corroding and also displays excel......