Material Name: Alloy tool steel
Grade: 3Cr2Mo
Standard: GB / T 1299-1985
● Features and application:
Hot work tool steel, is the introduction of P20 in the United States Department of the carbon Cr-Mo steel, plastic mold. For the production of plastic mold and die casting low melting point metal mold material. This steel has good cutting and mirror polishing performance.
● Chemical Composition:
Carbon C: 0.28 ~ 0.40
Si Si: 0.20 ~ 0.80
Manganese Mn: 0.60 ~ 1.00
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 1.40 ~ 2.00
Ni: to allow the residual content of ≤ 0.25
Copper Cu: to allow the residual content of ≤ 0.30
Mo Mo: 0.30 ~ 0.55
● Mechanical Properties:
● Heat treatment and microstructure specifications:
● Delivery status: the annealed steel, hot rolled delivery.