P20 plastic mould Steel block Usage: suitable for large& medium-sized and precision plastic mould and low-melting point alloy .
P20 plastic mould Steel block Usage: suitable for large& medium-sized and precision plastic mould and low-melting point alloy .
P20 plastic mould steel block:
Characteristic: with good machining performance excellent polishing performance and hardenablity, high hardness and wear resistance, at the same time the cross-section of a larger size will enable a more uniform hardness.
Chemical Composition (%)
|
C
|
W
|
Mo
|
Cr
|
V
|
Mn
|
Si
|
P
|
S
|
|
0.32-0.38
|
|
0.10-0.20
|
1.00-1.500
|
0.05-0.08
|
1.20-1.50
|
0.2-0.5
|
≤0.030
|
≤0.020
|