4. Hardness

5. Technical service
1) Die vacuum heat treatment and die surface treatment (N-O,C-N, carburize and nitridation surface treatment).
2) Black surface, annealing, hot rolled/forged, EAF/ESR, 2 or 4 sides cutting

6. Heat Treatment

7. Available Size (mm)

8. Characteristics
1) Cold and hot fatigue resistance, strong ability to resist crack.
2) Electroslag remelting steel, high purity, good resistance to dissolve.
3) Organizational structure of uniform, better heat resistance with good toughness, high temperature resistance metal erosion.
4) Good resistance to high temperature tempering performance, hardness steady working under 600ºC, dimensional accuracy stability durability.
9. Applications
1) Cut alloy extruded and die casting moulds.
2) Casting moulds, extruded moulds, forging moulds.
3) Hot forging moulds, such as auto connecting rods, crank, stainless dinner knife.
4) Aluminum extruded moulds, such as aluminum window frame, computer radiater.
5) Lead,Zn and Al alloy die casting moulds, such as engine radiater, lights and other decorative products.
6) Full hardness (52-54HRC) plastic moulds with high polishing and long lifetime requirments, such as bakelite plastic mould.