Alloy tool steel
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Cr2
Public Time:2011年10月17日 | Sort:Alloy tool steel | Hits:1536

Material Name: Cr2 alloy tool steel
Standard: GB / T 1299-1985
Features and application:
Measuring and cutting of steel, the steel composition and GCr15 bearing steel, rather, its hardenability, hardness and wear resistance than the high carbon tool steel, heat treatment size will not change much. Widely used as measuring tools, such as templates, card board, sample sets, gauge, block gauge, ring gauge, thread plug and sample columns, etc., can also be used to make drawing and cold heading die die die so cold and low-speed cutting tool does not too hard materials.
Chemical Composition:
Carbon C: 0.95 ~ 1.10
Si Si: ≤ 0.40
Manganese Mn: ≤ 0.40
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 1.30 ~ 1.65
Ni: to allow the residual content of ≤ 0.25
Copper Cu: to allow the residual content of ≤ 0.30
Mechanical Properties:
Hardness: Annealed, 229 ~ 179HB, indentation diameter of 4.0 ~ 4.5mm; quenching, ≥ 62HRC
Heat treatment and microstructure specifications:
Standard heat treatment: quenching the sample 830 ~ 860 ℃, oil cooling.
Delivery status: the status of delivery of steel to annealing.
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