Steel P20
– Steel used to make plastic molds, hardness 30-33 HRC
– High polishing, EDM and photochemical ability
– Low sulfur content, homogeneous and pure structure
– Good machining, welding, and machining capabilities
a.Characteristics of P20 steel:
– Is steel used to make plastic molds, hardness 30-33 HRC
– High polishing, EDM and photochemical ability
– Low sulfur content, homogeneous and pure structure
– Good machining, welding, and machining capabilities
b. Chemical composition:
| Steel Marks | Chemical composition (%) | ||||||
|
P20
|
C | Si | Mn | Cr | Mo | P | S |
| 0.35-0.45 | 0.2-0.4 | 1.3-1.6 | 1.8-2.1 | 0.15-0.25 | <= 0.035 | <= 0.035 | |
c.Application of steel P20:
– Application for making molds, mold shells, high-gloss molds, not injection molding, machine parts, shafts
– Pressure die casting for tin, lead, zinc alloy
d.Heat treatment of steel P20:
| Steel Marks | Heat treatment | |||
|
P20
|
I’m barefoot | I electricity (usually) | Nitrogen absorbent | Carbon Absorbent |
| Max: 53-55 HRC | Max: 750-800 HV | Max: 58-60 HRC | ||
e.P20 Steel Sheet Pictures:
Đánh giá
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