SAE-AISI 1022 Steel vs. ASTM A302 Alloy Steel
Both SAE-AISI 1022 steel and ASTM A302 alloy steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1022 steel and the bottom bar is ASTM A302 alloy steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 150 to 160 | |
180 to 190 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 17 to 26 | |
20 to 23 |
Fatigue Strength, MPa | 190 to 300 | |
250 to 280 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 310 to 340 | |
370 to 390 |
Tensile Strength: Ultimate (UTS), MPa | 480 to 550 | |
590 to 620 |
Tensile Strength: Yield (Proof), MPa | 260 to 450 | |
350 to 390 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
410 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 52 | |
39 to 51 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
7.2 to 7.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
8.2 to 8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
2.4 to 3.0 |
Density, g/cm3 | 7.9 | |
7.8 to 7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.5 to 1.6 |
Embodied Energy, MJ/kg | 18 | |
20 to 21 |
Embodied Water, L/kg | 46 | |
48 to 50 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 110 | |
110 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 530 | |
330 to 410 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 17 to 19 | |
21 to 22 |
Strength to Weight: Bending, points | 17 to 19 | |
20 to 21 |
Thermal Diffusivity, mm2/s | 14 | |
10 to 14 |
Thermal Shock Resistance, points | 15 to 17 | |
17 to 18 |