ASTM A542 Steel Properties
The below table outlines the material properties for ASTM A542 material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.
ASTM A542 Young's Modulus
The Young's Modulus of ASTM A542 is 200,000 MPa.
ASTM A542 Ultimate Strength
The Ultimate Strength of ASTM A542 ranges between 673 and 863 MPa.
ASTM A542 Yield Strength
The Yield Strength of ASTM A542 ranges between 380 and 690 MPa depending on the material grade. See the below tables to get your specific material grade material strength.
Low Alloy Steel, Grade A Steel Properties
Class 1 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 793 MPa | 585 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 115 ksi | 85 ksi | 6.67 1/°F | 0.29 |
Class 2 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 863 MPa | 690 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 125 ksi | 100 ksi | 6.67 1/°F | 0.29 |
Class 3 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 725 MPa | 515 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 105 ksi | 75 ksi | 6.67 1/°F | 0.29 |
Class 4 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 673 MPa | 380 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 97 ksi | 55 ksi | 6.67 1/°F | 0.29 |
Class 4a Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 673 MPa | 415 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 97 ksi | 60 ksi | 6.67 1/°F | 0.29 |
Low Alloy Steel, Grade B Steel Properties
Class 1 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 793 MPa | 585 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 115 ksi | 85 ksi | 6.67 1/°F | 0.29 |
Class 2 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 863 MPa | 690 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 125 ksi | 100 ksi | 6.67 1/°F | 0.29 |
Class 3 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 725 MPa | 515 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 105 ksi | 75 ksi | 6.67 1/°F | 0.29 |
Class 4 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 673 MPa | 380 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 97 ksi | 55 ksi | 6.67 1/°F | 0.29 |
Class 4a Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 673 MPa | 415 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 97 ksi | 60 ksi | 6.67 1/°F | 0.29 |
Low Alloy Steel, Grade C Steel Properties
Class 1 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 793 MPa | 585 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 115 ksi | 85 ksi | 6.67 1/°F | 0.29 |
Class 2 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 863 MPa | 690 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 125 ksi | 100 ksi | 6.67 1/°F | 0.29 |
Class 3 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 725 MPa | 515 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 105 ksi | 75 ksi | 6.67 1/°F | 0.29 |
Class 4 Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 673 MPa | 380 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 97 ksi | 55 ksi | 6.67 1/°F | 0.29 |
Class 4a Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,800 kg/m3 | 673 MPa | 415 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 487 lb/ft3 | 97 ksi | 60 ksi | 6.67 1/°F | 0.29 |
Alloy Steel, Chromium Molybdenum Steel Properties
Standard Material Properties
| Unit System | Young's Modulus, E | Density, ρ | Ultimate Strength, Fu | Yield Strength, Fy | Thermal Expansion Coef., α | Poisson's Ratio, ν |
| Metric | 200,000 MPa | 7,780 kg/m3 | 688 MPa | 380 MPa | 12 1/°C | 0.29 |
| Imperial | 29,000 ksi | 486 lb/ft3 | 100 ksi | 55 ksi | 6.67 1/°F | 0.29 |