Standard: GB / T 1220-1992
  ● Features and application:
9Cr18 stainless steel slicing machinery for cutting and shearing knives, blades, high wear-resistant equipment, spare parts.

Chemical composition
● 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
● Mechanical Properties:
  Hardness: Annealed, ≤ 255HB; quenching and tempering, ≥ 55HV

Heat treatment process
● 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.