Grade: 1Cr13Mo
Standard: GB / T 1220-1992
● Features and application:
1Cr13 high corrosion resistance than the high-strength steel grades for use as turbine blades, high temperature components.
● Chemical Composition:
Carbon C: 0.08 ~ 0.18
Si Si: ≤ 0.60
Manganese Mn: ≤ 1.00
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.035
Chromium Cr: 11.50 ~ 14.00
Ni: to allow containing ≤ 0.60
Mo Mo: 0.30 ~ 0.60
● Mechanical Properties:
Tensile strength σb (MPa): quenching and tempering, ≥ 685
Conditions yield strength σ0.2 (MPa): quenching and tempering, ≥ 490
Elongation δ5 (%): quenching and tempering, ≥ 20
Reduction of area ψ (%): quenching and tempering, ≥ 60
Impact energy Akv (J): quenching and tempering, ≥ 78
Hardness: Annealed, ≤ 200HB; quenching and tempering, ≥ 192HB
● Heat treatment and microstructure specifications:
Heat treatment specifications: 1) annealing, 830 ~ 900 ℃ slow cooling or rapid cooling of about 750 ℃??; 2) quenching, 970 ~ 1020 ℃ oil cooling; 3) temper, 650 ~ 750 ℃ ??fast-cooling.
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.
