Stainless steel
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9Cr18MoV stainless steel (440C)
Public Time:2011年10月15日 | Sort:Stainless steel | Hits:1042

Stainless steel: 9Cr18MoV
Standard: GB / T 1220-1992
Features and application:
Slices used to manufacture stainless steel, mechanical cutting tools and cutting tools, surgical blades, high wear-resistant equipment, spare parts.
Chemical Composition:
Carbon C: 0.85 ~ 0.95
Si Si: ≤ 0.80
Manganese Mn: ≤ 0.80
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.035
Chromium Cr: 17.00 ~ 19.00
Ni: to allow containing ≤ 0.60
Vanadium V: 0.07 ~ 0.12
Mo Mo: 1.00 ~ 1.30
Mechanical Properties:
Hardness: Annealed, ≤ 269HB; quenching and tempering, ≥ 55HV
Heat treatment and microstructure specifications:
Heat treatment specifications: 1) annealing, 800 ~ 920 ℃ slow cooling; 2) quenching, 1050 ~ 1075 ℃ oil cooling; 3) temper, 100 ~ 200 ℃ air-cooled.
Microstructure: Organizing for the martensitic type.
Delivery status: normal to heat treatment delivery, the treatment types specified in the contract; not indicated, according to the heat treatment state of delivery.

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