Stainless Steel: 9Cr18
Standard: GB / T 1220-1992
● Features and application:
Cutting and slicing machines for stainless steel cutting tools, surgical blades, high wear-resistant equipment, spare parts.
● Chemical Composition:
Carbon C: 0.90 ~ 1.00
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
Mo Mo: ≤ 0.75 can be added
● Mechanical Properties:
Hardness: Annealed, ≤ 255HB; quenching and tempering, ≥ 55HV
● Heat treatment and microstructure specifications:
Heat treatment specifications: 1) annealing, 800 ~ 920 ℃ slow cooling; 2) quenching, 1000 ~ 1050 ℃ oil cooling; 3) temper, 200 ~ 300 ℃ oil, 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.