Performance Characteristics:
1, High heat resistance;
2. Excellent toughness and scalability;
3.Good hardenability.
2. Excellent toughness and scalability;
3.Good hardenability.
Applications:
Used for aluminium alloy die casting , tools and mandrel, forging mould of die forging hammer,press forging die, high-speed forging die and plastic molding,also structure parts of the plane and the rockets.
Chemical Composition (%):
|
C
|
Si
|
Mn
|
Ni
|
Cr
|
Cu
|
S
|
P
|
|
0.33~0.43
|
0.80~1.2
|
0.20~0.50
|
≤0.25
|
4.75~5.50
|
≤0.30
|
≤0.030
|
≤0.030
|
Hardness of annealed:
|
HBS≤235
|
The Process:
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EAF+LF+VD+ESR+Forged or hot rolled+Heat Treatment(optional)
|
Inspecting:
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ultrasonic test, according to SEP1921 D/d or as your requirements
|
Delivery status:
Annealed