JIS G5501 FC300 gray iron material grade, including its typical application, physical properties, and hardness.

Typical Application of JIS G5501 FC300 gray iron casting:
Anvils, brake drums and clutch plates for heavy-duty service, compressors, diesel engine blocks, differential carrier castings, face plates, heavy flywheels, heavy gearboxes, heavy machine beds, impellers, pumps, rams, steam pressure castings, tractor transmission cases, truck and tractor cylinder blocks and heads valves, and wheels.

Properties of JIS G5501 FC300 Gray Cast Iron:

General
Density ρ 6.8 - 7.8 g/cm³ at 20 °C Typical for Cast Iron

Mechanical
Elastic modulus E 92.4 GPa at 20 °C Typical for Grey Cast Iron
Hardness, Brinell HB 262 [-] at 20 °C
Poisson's ratio ν 0.21 [-] at 20 °C Typical for Grey Cast Iron
Shear modulus G 41 GPa at 20 °C Typical for Cast Iron
Tensile strength Rm 190 - 300 MPa at 20 °C
0.01 % Proof Stress 84 MPa
0.10 % Proof Stress 195 MPa
Total strain at failure 0.50%
Elastic strain at failure 0.22%
Total minus elastic strain at failure 0.28%

Thermal
Coefficient of thermal expansion α 1.1E-5 - 1.5E-5 1/K at 20 °C Typical for Grey Cast Iron
Specific heat capacity cp 460 J/(kg•K) at 20 °C Typical for Grey Cast Iron
Thermal conductivity λ 20 - 80 W/(m•K) at 20 °C Typical for Grey Cast Iron

Chemical composition in % for JIS G5501 FC300 gray cast iron

As for normal grey iron, the chemical composition is not important comparatively. The iron foundries could adjust the compositions according to their experience as long as they could meet the physical and mechanical requirements.

Bending resistant properties and hardness of JIS G5501 FC300 gray cast iron

Equivalent Grade of JIS G5501 FC300 gray cast iron

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