1Cr17Mo

Standard: GB / T 1220-1992
  ● Features and application:
  1Cr17Mo improved stainless steel for the 1Cr17 than 1Cr17 strong salt solution, as automotive exterior materials.
  ● Chemical Composition:
  Carbon C: ≤ 0.12
  Si Si: ≤ 1.00
  Manganese Mn: ≤ 1.00
  Sulfur S: ≤ 0.030
  Phosphorus P: ≤ 0.035
  Chromium Cr: 16.00 ~ 18.00
  Ni: to allow adding ≤ 0.60
  Mo Mo: 0.75 ~ 1.25
  ● Mechanical Properties:
  Tensile strength σb (MPa): ≥ 450
  Conditions yield strength σ0.2 (MPa): ≥ 205
  Elongation δ5 (%): ≥ 22
  Reduction of area ψ (%): ≥ 60
  Hardness: ≤ 183HB
  ● Heat treatment and microstructure specifications:
  Heat treatment specifications: air-cooled 780 ~ 850 ℃ 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.