4Cr13,1.2083,
2. High Wear Resistance & corrosion resistance Plastic Mould Steel
Main application
For plastic moulds with high wear resistance and corrosion resistance requirements; transparent plastic moulds, such as PVC.
3. Manufacturers
Tai Steel, Fushun Steel, Changcheng Steel, Bao Steel, etc.
4. Delivery condition
Conventional or ESR, hot rolling or forging, black surface or milling
Hardness: 31~35HRC,annealed to: HB=<229
Width: 305~1000mm  Thickness: 20~350mm
5. General
Medium:carbon, high:Chrome, martensitic stainless steel; good corrosion resistance, wear resistance, polishing abilities as well as high strength after heat treatment.
6. Chemical analysis
 C% Mn% Si% Cr% Ni% V% P% S% Mo%
S136 0.38 0.50 0.80 13.6  0.30 =<0.03 =<0.03 
1.2083 0.37~0.44 0.30~0.60 0.30~0.60 13.00~15.00 =<0.60 0.15~0.35 =<0.035 0.003 0.50~0.70
7. Delivery
Acc. to your request    Standard steel bar,sawing,
non:standard steel bar,sawing,
or Mill deliver condition,without sawing or cutting 
8. Compared grades,based on usage,
Chinese American German Swedish Japanese Japanese
GB AISI DIN ASSAB JIS DAIDO
4Cr13 420 1.2083 S136 SUS420J2 S:STAR
8. Heat treatment ,for reference,
  Annealing: 880centigrade degree, slow cooling
  Quenching: 1020centigrade degree~1100centigrade degree; pre:heating on 500 and 800
  Tempering: 200centigrade degree~300centigrade degree, air cooling HRC50~52
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