420/4Cr13/1.2083 plastic mould steel

Specifications

420 mould steel
fessional, High quality, Competitive price
2. there have large stocks in our warehouse

420 mould steel

4Cr13,420,1.2083,S136,SUS420J2,S-STAR

 

1.Main application

   For plastic moulds with high war resistance and corrosion resistance requirments;transprent platic moulds,such as pvc.

2.Delivery condition

   Conventional or ESR,hot rolling or forging,black surface or milling

   Hardness;31-35HRC,annealed to:HB≤229

   Width:305-2300mm                  Thickness:20-350mm

3.General

   Medium~carbon,high-Chrome,martensitic stainless steel;good corrosion resisitance,wear resistance,polishing sbilities as well as high strength after heat treatment.

4.Chemical analysis

 

	C%	Mn%	Si%	Cr%	Ni%	V%	P%	S%	Mo%
S136	0.38	0.50	0.80	13.6	0.30-0.55	0.30	≤0.03	≤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

 

5.Delivery

   Acc.to your request-Standard steel bar(sawing)

                                  -non-standard steel bar(sawing)

   or Mill deliver condition,without sawing or cutting

6.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

 

 7.Heat treatment

    Annealing;880°c,slow cooling

    Quenching;1020~1100°c;pre-heating on 500 and 800

    Tempering:200~300°c,air cooling HRC50-52