ASTM A699 Steel Properties

The below table outlines the material properties for ASTM A699 material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.

Class 1

Standard

Class 2

Standard

Class 3

Standard

Class 4

Standard

ASTM A699 Young's Modulus

The Young's Modulus of ASTM A699 is 200,000 MPa.

ASTM A699 Ultimate Strength

The Ultimate Strength of ASTM A699 ranges between 655 and 690 MPa.

ASTM A699 Yield Strength

The Yield Strength of ASTM A699 ranges between 485 and 515 MPa depending on the material grade. See the below tables to get your specific material grade material strength.

Class 1 Steel Properties

Standard 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	200,000 MPa	7,800 kg/m³	690 MPa	485 MPa	12 1/°C	0.29
Imperial	29,000 ksi	487 lb/ft³	100 ksi	70 ksi	6.67 1/°F	0.29

Class 2 Steel Properties

Standard 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	200,000 MPa	7,800 kg/m³	690 MPa	515 MPa	12 1/°C	0.29
Imperial	29,000 ksi	487 lb/ft³	100 ksi	75 ksi	6.67 1/°F	0.29

Class 3 Steel Properties

Standard 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	200,000 MPa	7,800 kg/m³	655 MPa	485 MPa	12 1/°C	0.29
Imperial	29,000 ksi	487 lb/ft³	95 ksi	70 ksi	6.67 1/°F	0.29

Class 4 Steel Properties

Standard 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	200,000 MPa	7,800 kg/m³	655 MPa	515 MPa	12 1/°C	0.29
Imperial	29,000 ksi	487 lb/ft³	95 ksi	75 ksi	6.67 1/°F	0.29

ASTM A678 Steel Properties ASTM A709 Steel Properties