1.2311 plastic mould steel
Grade P20/1.2311 steel plate, Pre-hardly to HB 280-310
Chemical composition:(%)
|
C
|
Cr
|
Mn
|
Mo
|
Si
|
|
0.40
|
2.0
|
1.5
|
0.2
|
0.3
|
1. This material (chemical name: 3Cr2Mo) is plastic mould steel, Pre-hardly to HB 280-310, and easy machining, deformation; suited for spark erosion and mirror-like production;
2.Excellent Polish ability with pre hardened delivery to save time after 100% inspection by ultrasonic machine to safeguard its quality.
Application: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.