Material Name: 1Cr11MoV
Standard: GB / T 1221-1992
● Features and application:
Have a higher thermal strength, good shock absorption and tissue stability. For turbine blades and vanes.
Chemical composition:
● Chemical Composition:
Carbon C: 0.11 ~ 0.18
Si Si: ≤ 0.50
Manganese Mn: ≤ 0.60
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.035
Chromium Cr: 10.00 ~ 11.50
Ni-Ni: ≤ 0.60
Vanadium V: 0.25 ~ 0.40
Mo Mo: 0.50 ~ 0.70
Mechanical properties:
● 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, ≥ 16
Reduction of area ψ (%): quenching and tempering, ≥ 55
Impact energy Akv (J): quenching and tempering, ≥ 47
Hardness: Annealed, ≤ 200 1Cr11MoV
Heat Treatment:
● Heat treatment and microstructure specifications:
Heat treatment specifications: 1) quenching, 1050 ~ 1100 ℃ air-cooled; 2) tempering, 720 ~ 740 ℃ air-cooled.
Microstructure: Organizing for the martensitic type.
● Delivery status: the state generally regulate heat delivery, the treatment types specified in the contract; not indicated, according to the heat treatment state of delivery.
