Material Name: Y1Cr17
  Standard: GB / T 1220-1992
  ● Features and application:
  Y1Cr17 stainless steel to improve the cutting performance than 1Cr17. Automatic lathe with bolts, nuts and so on.
Chemical composition
● Chemical Composition:
  Carbon C: ≤ 0.12
  Si Si: ≤ 1.00
  Manganese Mn: ≤ 1.25
  Sulfur S: ≧ 0.15
  Phosphorus P: ≤ 0.060
  Chromium Cr: 16.00 ~ 18.00
  Ni: to allow containing ≤ 0.60
  Mo Mo: can be added ≤ 0.60 Y1Cr17

Mechanical properties
● Mechanical Properties:
  Tensile strength σb (MPa): ≥ 450
  Conditions yield strength σ0.2 (MPa): ≥ 205
  Elongation δ5 (%): ≥ 22
  Reduction of area ψ (%): ≥ 50
  Hardness: ≤ 183HB Y1Cr17

Process
● Heat treatment and microstructure specifications:
  Heat treatment specifications: air-cooled 680 ~ 820 ℃ annealing or slow cooling.
  Microstructure: Organizing for the ferrite.
  ● Delivery status: normal to heat treatment delivery, the treatment types specified in the contract; not indicated, according to the heat treatment state of delivery.

Microstructure
Organizing for the ferrite.