Material Name: Alloy Tool Steel Grade: 3Cr2Mo Standard: GB / T 1299-1985 ● Features and Scope: Hot work die steel, is the introduction of the United States of P20 carbon Cr-Mo-based plastic mold steel. For the production of plastic molds and casting low melting point metal material. This steel has good machinability and mirror-polished performance. ● Chemical Composition: Carbon C: 0.28 ~ 0.40 Si Si: 0.20 ~ 0.80 Mn 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 ≤0.25 Cu: to allow the residual content ≤0.30 Mo Mo: 0.30 ~ 0.55 ● Mechanical Properties: ● Heat treatment and microstructure specifications: ● Delivery status: annealed steel, hot-rolled delivery. |