Grade: AISI P20/618/GB 3Cr2Mo/DIN1.2311
Performance Characteristics:
1, Abrasive resistant and Corrosion resistant mould steel;
2, Good machining property.
3 Excellent hardness uniform
4.Excellent quench-hardening alibility and excellent polishing performance
Applications:
1. Be used in making large, comprehensive, precise plastic die and make its surface harder by nitriding, and could be used in making high-precision plastic die.
2. Used in hot plastic injection or vacuum drawing moulds and press moulds main fittings for high load machine mould, contracture accessories, appearance design of TV, washing machine.
Chemical Composition(%):
|
Standard
|
Steel Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
other
|
|
ASTM
|
P20
|
0.28-0.40
|
0.20-0.80
|
0.60-1.00
|
0.030
|
0.030
|
1.40-2.00
|
0.30-0.55
|
|
|
GB
|
3Cr2Mo
|
0.28-0.40
|
0.20-0.80
|
0.60-1.00
|
0.030
|
0.030
|
1.40-2.00
|
0.30-0.55
|
|