Raw material suppliers: Jiang Su Honghan Special Steel Co., Ltd.
 
Quenching: preheated 550-650 ℃, and then heated to 800-850 ℃, quenched in oil
Tempering: heating to 150-200 ℃, stay in the temperature, and then cooled in still air
Hardness: HRC60 ℃ above
Forging: 1050-850 ℃
Annealing: heating to 750-800 ℃, stay at this temperature for 1-3 hours in the oven to cool gradually
Uses
After the heat treatment of steel, with easy deformation characteristics, suitable for manufacturing precision engineering, precision instruments, precision measuring tools, suitable for manufacturing reamers, milling cutters, rollers, cold cable model, the model

(Gauge)-like mold, punch, cold cut, scissors, tungsten knives, woodworking tools, spiral mold, hand mirror, tap, various die and so on. Dimensions: Round (MM)
22-28-32-38-45-50-58-65-75-85-95
105-115-130-155-165-185-205-235-260-280-310
Flat (MM)
10X208-258-308-358-410-460-510-610
13X208-258-308-358-410-460-510-610
16X208-258-308-358-410-460-510-610
20X208-258-308-358-410-460-510-610
25X208-258-308-358-410-460-510-610
30X208-258-308-358-410-460-510-610
35X208-258-308-358-410-460-510-610
40X208-258-308-358-410-460-510-610
45X208-258-308-358-410-460-510-610
50X208-258-308-358-410-460-510-610
55X208-258-308-358-410-460-510-610
60X208-258-308-358-410-460-510-610
70X208-258-308-358-410-460-510-610
80X208-258-308-358-410-460-510-610 
 

  Main Ingredients%
  C Carbon
  Si Si
  Mn Manganese
  Cr (chromium)
  W (tungsten)
  P (phosphorus)
  S (sulfur) 
 
 

  0.93-1.00
  0.15-0.50
  0.90-1.20
  0.50-1.00
  0.50-1.00
  0.025 The following
  0.010 The following