Y1Cr18Ni9

Standard: GB / T 1220-1992
● Features and Scope: Y1Cr18Ni9 stainless steel to improve machinability, resistance to fire resistance. Y1Cr18Ni9 ideal for automatic lathes, bolts, nuts.
● Chemical Composition:
  Carbon C: ≤ 0.15
  Si Si: ≤ 1.00
  Manganese Mn: ≤ 2.00
  Sulfur S: ≥ 0.15
  Phosphorus P: ≤ 0.20
  Chromium Cr: 17.00 ~ 19.00
  Ni-Ni: 8.00 ~ 10.00
  Mo Mo: can be added to ≤ 0.60
● Mechanical Properties:
  Tensile strength σb (MPa): ≥ 520
  Conditions yield strength σ0.2 (MPa): ≥ 205
  Elongation δ5 (%): ≥ 40
  Reduction of area ψ (%): ≥ 50
  Hardness: ≤ 187HB; ≤ 90HRB; ≤ 200HV
● Heat treatment and microstructure specifications:
  Standard heat treatment: solution 1010 ~ 1150 ℃ fast-cooling.
  Microstructure: Organizing for the austenitic 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.