HASTELLOY C-22 annealed Mechanical Properties (Nickel-Mo-Cr alloy)

Designation: HASTELLOY C-22, annealed (Nickel-Mo-Cr alloy)
ConditionAnnealed
UNS numberN06022
US nameASTM Grade N06022
EN nameNiCr21Mo14W
EN number2.4602
ISO nameISO 9723, 9724, 6207

Mechanical properties: HASTELLOY C-22 annealed

Young’s modulus206–207GPa
Specific stiffness23.7–23.9MN.m/kg
Yield strength (elastic limit)310–382MPa
Tensile strength689–775MPa
Specific strength35.8–44.1kN.m/kg
Elongation42.3–66.2% strain
Compressive strength315–405MPa
Flexural modulus206–207GPa
Flexural strength (modulus of rupture)310–382MPa
Shear modulus75–85GPa
Poisson’s ratio0.29–0.31 
Shape factor28   
Hardness – Vickers176–213HV
Hardness – Rockwell B86–95HRB
Hardness – Rockwell C5–14HRC
Hardness – Brinell151–228HB
Elastic stored energy (springs)235–350kJ/m^3
Fatigue strength at 10^7 cycles280–435MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles269–453MPa

Impact & fracture properties

Fracture toughness306–341 MPa.m^0.5
Toughness (G)456–560 J/m^2

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