AISI- P20 steel
|Class||Plastic Mould Steel|
|Category||Chrome Moly Alloy Steel|
|Grades||U.S ASTM A681, AISI P20 Steel.
Germany DIN 1.2311/1.2738Ni
P20 Tool Steel is described as a chrome-moly alloy steel, with a carbon content of approximately 0.35 to 0.40. Over time, many variations on basic P20 tool steel chemical composition have been introduced to the marketplace. Each modification can have an effect on the various processes used in the fabrication of a mold.
P20 Tool Steel Description:
P20 tool steel is normally prehardened to 29 t0 33 HRC. Good mirror polishability and less texture making finishing easier.It distribute uniform hardness level even across large blocks. Excellent weldability with grate toughness and nitriding properties makes it a primary choice of plastic mould maker.
P20 tool steel chemical composition and structure provide excellent machining and polishing characteristic.
Used for various large-size plastic Mould, precision plastic mould, cars Accessries, Home Appliances, Electronic Equipment plastic mould.
P20 tool Steel CHEMICAL COMPOSITION AISI P20/DIN 1.2311/1.2738N
Plastic mould steel that is usually supplied in a quenched and tempered condition. Good machinability, better polish ability, compared to 1.2312 (AISI P20+S). Similar to AISI P20.
As normally delivered in the hardened and tempered state, hardness is normally 32HRC. No hardening risks, no heat treatment, no distortion to tools. Can be further Nitrided or flame hardened, Normally.
|Density||0.284 lb/in3 (7861 kg/m3)|
|Modulus of Elasticity||30 x 106 psi (207 GPa)|
|Thermal conductivity||24 Btu/ft/hr/°F 41.5 W/m/°K|
|Machinability||60-65% of a 1% carbon steel|
|Coefficient Of Thermal Expansion|
|Temperature ºF||in/inºF x106||Temperature ºC||mm/mmºCx106|
|Temperature||P20 tool steel|
|400||204||48 – 49|
|600||316||46 – 47|
|800||427||43 – 44|
|1000||538||39 – 40|
|1100||593||33 – 34|
|1150||621||30 – 31|
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