Main application:
For plastic moulds with high wear resistance and corrosion resistance requirements; transparent plastic moulds, such as PVC.
1. Manufacturers:
Tai Steel, Fushun Steel, Changcheng Steel, Bao Steel, etc.
2.Delivery conditions:
Conventional or ESR, hot rolling or forging, black surface or milling
Hardness: 31~35HRC,annealed to: HB=<229
Width: 305~1000mm Thickness: 20~350mm
3. General:
Medium carbon, high Chrome, martensitic stainless steel; good corrosion resistance, wear resistance, polishing abilities 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
|
=<0.03
|
=<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. Available sizes:
Round Bar: Φ 3.5-410mm
Flat: 8-160*205-710mm
Mould: 200*200-1200*1000mm
Length:3000-12000mm
sawing or cutting to any size for customers request.
6. Compared grades, based on standards:
|
Chinese
|
American
|
German
|
Swedish
|
Japanese
|
Japanese
|
|
GB
|
AISI
|
DIN
|
ASSAB
|
JIS
|
DAIDO
|
|
4Cr13
|
420
|
1.2083
|
S136
|
SUS420J2
|
S:STAR
|
|
Grade
|
Standard
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
V
|
P、S≤
|
|
S-136
|
ASSAB
|
0.35-0.45
|
≤1.00
|
≤0.80
|
12.0-14.0
|
/
|
/
|
0.030
|
|
1.2083
|
DIN
|
0.36-0.45
|
≤1.00
|
≤1.00
|
12.5-14.5
|
/
|
/
|
0.030
|
|
4Cr13
|
YB
|
0.35-0.45
|
≤0.60
|
≤0.80
|
12.0-14.0
|
/
|
/
|
0.030
|
|
SUS420J2
|
JIS G
|
0.26-0.40
|
≤1.00
|
≤1.00
|
12.00-14.00
|
/
|
/
|
0.04、0.03
|
7. 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