ASTM A193 Steel Properties

The below table outlines the material properties for ASTM A193 material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.

Grade B7

Up to 2½
2⅝ - 4
4⅛ - 7

Grade B8

Class 1 All
Class 2 Up to ¾
Class 2 ⅞ - 1
Class 2 1⅛ - 1¼
Class 2 1⅜ - 1½

Grade B8M

Class 1 All
Class 2 Up to ¾
Class 2 ⅞ - 1
Class 2 1⅛ - 1¼
Class 2 1⅜ - 1½

ASTM A193 Young's Modulus

The Young's Modulus of ASTM A193 is 200,000 MPa.

ASTM A193 Ultimate Strength

The Ultimate Strength of ASTM A193 ranges between 517 and 862 MPa.

ASTM A193 Yield Strength

The Yield Strength of ASTM A193 ranges between 207 and 724 MPa depending on the material grade. See the below tables to get your specific material grade material strength.

Grade B7 Steel Properties

Up to 2½ Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	862 MPa	724 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	125 ksi	105 ksi	29,000 ksi	491 lb/ft³	0.29

2⅝ - 4 Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	793 MPa	655 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	115 ksi	95 ksi	29,000 ksi	491 lb/ft³	0.29

4⅛ - 7 Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	689 MPa	517 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	100 ksi	75 ksi	29,000 ksi	491 lb/ft³	0.29

Grade B8 Steel Properties

Class 1 All Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	517 MPa	207 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	75 ksi	30 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 Up to ¾ Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	862 MPa	689 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	125 ksi	100 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 ⅞ - 1 Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	793 MPa	552 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	115 ksi	80 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 1⅛ - 1¼ Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	724 MPa	448 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	105 ksi	65 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 1⅜ - 1½ Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	689 MPa	345 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	100 ksi	50 ksi	29,000 ksi	491 lb/ft³	0.29

Grade B8M Steel Properties

Class 1 All Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	517 MPa	207 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	75 ksi	30 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 Up to ¾ Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	758 MPa	655 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	110 ksi	95 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 ⅞ - 1 Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	689 MPa	552 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	100 ksi	80 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 1⅛ - 1¼ Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	655 MPa	448 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	95 ksi	65 ksi	29,000 ksi	491 lb/ft³	0.29

Class 2 1⅜ - 1½ Material Properties

Unit System	Ultimate Strength, F_u	Yield Strength, F_y	Young's Modulus, E	Density, ρ	Poisson's Ratio, ν
Metric	621 MPa	345 MPa	200,000 MPa	7,800 kg/m³	0.29
Imperial	90 ksi	50 ksi	29,000 ksi	491 lb/ft³	0.29

ASTM A182 Steel Properties ASTM A209 Steel Properties