3Cr2Mo（P20）
1.Composition(wt%):
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C
|
Si
|
Mn
|
P
|
S
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Cr
|
Mo
|
Ni
|
|
0.28-0.4
|
0.2-0.8
|
0.6-1
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≤0.03
|
≤0.03
|
1.4-2
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0.3-0.55
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0.05-0.10
|
2.Properties:
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Condition
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Hardness
HRC
|
|
Quenching+Tempering
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28-36
|
3.Characteristics:
Uniform hardnessuniform, good polishing properties and light etching properties, processing properties.
Vacuum degassing refining processing steel purity, suitable for polishing or etch processing plastic mold.
Compact structure after100% forging rolling processing, ultrasonic inspection, no pores and needle defects.
4.Applications
Applicable to the front of the TV shell, telephone, water machine, vacuum cleaner and other plastic mold and die set.
1.Thermoplastic plastic injection mould, extrusion die.
2.Thermoplastic plastic blow molding mold.
3.Main components of overloading mold main components.
4.Cold structure parts.
5.Usually used in the manufacture of television cabinet, washing machine, refrigerator inner shell, buckets, etc.
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