EN GJL 250 Cast iron, gray, flake graphite, Mechanical Properties | Modulus Metal | Supplier | Foundry | Sand Casting | Investment Casting | Machining | Products | in TURKEY

EN GJL 250 Cast iron, gray, flake graphite, Mechanical Properties
Young’s modulus 113 – 135 GPa
Flexural modulus * 113 – 135 GPa
Shear modulus 44 – 54 GPa
Bulk modulus 76 – 96 GPa
Poisson’s ratio 0.255 – 0.265
Shape factor 24
Yield strength (elastic limit) 162 – 195 MPa
Tensile strength 250 – 300 MPa
Compressive strength * 320 – 390 MPa
Flexural strength (modulus of rupture) * 185 – 230 MPa
Elongation * 0.3 – 0.5 % strain
Hardness – Vickers 152 – 285 HV
Fatigue strength at 10^7 cycles 72 – 135 MPa
Fatigue strength model (stress range) * 55.2 – 93.1 MPa
Parameters: Stress Ratio = 0, Number of Cycles = 1e7
Fracture toughness * 16 – 20 MPa.m^0.5
Mechanical loss coefficient (tan delta) 0.01 – 0.035
*Values are approximations. This information’s accuracy is not guaranteed.
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