Cast Irons Material Properties

The below table outlines the material properties for Cast Irons material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.

Gray Cast Irons (As cast)

ASTM Class 20
ASTM Class 35
ASTM Class 60

Ductile Cast Irons

Grade 60-40-18
Grade 65-45-12
Grade 120-90-02
Grade 80-55-06

Malleable Cast Irons

ASTM Class 47
ASTM Class 220

Cast Irons Young's Modulus

The Young's Modulus of Cast Irons ranges between 83,000 and 170,000 MPa Young's Modulus represents the material overall strength. See the below tables to get your specific material grade material strength.

Cast Irons Ultimate Strength

The Ultimate Strength of Cast Irons ranges between 152 and 974 MPa.

Cast Irons Yield Strength

The Yield Strength of Cast Irons ranges between 98 and 864 MPa depending on the material grade. See the below tables to get your specific material grade material strength.

Gray Cast Irons (As cast) Material Properties

ASTM Class 20 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	83,000 MPa	7,150 kg/m³	152 MPa	98 MPa	13.5 1/°C	0.29
Imperial	12,029 ksi	446 lb/ft³	22 ksi	14 ksi	7.51 1/°F	0.29

ASTM Class 35 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	114,000 MPa	7,150 kg/m³	252 MPa	170 MPa	13.5 1/°C	0.29
Imperial	16,522 ksi	446 lb/ft³	37 ksi	24 ksi	7.51 1/°F	0.29

ASTM Class 60 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	152,000 MPa	7,150 kg/m³	431 MPa	280 MPa	13.5 1/°C	0.29
Imperial	22,029 ksi	446 lb/ft³	62 ksi	40 ksi	7.51 1/°F	0.29

Ductile Cast Irons Material Properties

Grade 60-40-18 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	169,000 MPa	7,150 kg/m³	461 MPa	329 MPa	13 1/°C	0.29
Imperial	24,493 ksi	446 lb/ft³	67 ksi	48 ksi	7.23 1/°F	0.29

Grade 65-45-12 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	168,000 MPa	7,150 kg/m³	464 MPa	332 MPa	13 1/°C	0.29
Imperial	24,348 ksi	446 lb/ft³	67 ksi	48 ksi	7.23 1/°F	0.29

Grade 120-90-02 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	164,000 MPa	7,150 kg/m³	974 MPa	864 MPa	13 1/°C	0.28
Imperial	23,768 ksi	446 lb/ft³	141 ksi	125 ksi	7.23 1/°F	0.28

Grade 80-55-06 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	168,000 MPa	7,150 kg/m³	559 MPa	362 MPa	13 1/°C	0.31
Imperial	24,348 ksi	446 lb/ft³	81 ksi	52 ksi	7.23 1/°F	0.31

Malleable Cast Irons Material Properties

ASTM Class 47 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	170,000 MPa	7,150 kg/m³	345 MPa	224 MPa	12 1/°C	0.29
Imperial	25,000 ksi	446 lb/ft³	50 ksi	32 ksi	6.68 1/°F	0.29

ASTM Class 220 Material Properties

Unit System	Young's Modulus, E	Density, ρ	Ultimate Strength, F_u	Yield Strength, F_y	Thermal Expansion Coef., α	Poisson's Ratio, ν
Metric	170,000 MPa	7,150 kg/m³	414 MPa	276 MPa	12 1/°C	0.29
Imperial	25,000 ksi	446 lb/ft³	60 ksi	40 ksi	6.68 1/°F	0.29