Performance Characteristics:
1,Excellent toughness, high intensity, Wear resistance.
2,High purity and excellent performance.
Applications:
Suitable for manufacturing the large and medium-sized forging die.
2. Chemicial composition:
|
C
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Si
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Mn
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Cr
|
Mo
|
Ni
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V
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P
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S
|
|
0.50~0.60
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≤0.35
|
0.5~0.8
|
0.8~0.1
|
0.8~1.1
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1.4~1.8
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0.1~0.3
|
≤0.03
|
≤0.015
|
Heat treatment:
1,Annealing temperature:760-780°C,Hardness:197-241HB
2,quenching temperature: 890-910°C,Oil cooling,hardness:61.5HRC
3,Tempering temperature:420-550°C,twice,hardness:38-47HRC
Hardness of annealed:
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HBS≤250
|
The Process
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EAF+LF+VD+ESR+Forged or hot rolled+Heat Treatment(optional)
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Inspecting
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ultrasonic test, according to SEP1921 D/d or as your requirements
|
Delivery status:
Annealed