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ASTM A302 Alloy Steel vs. SAE-AISI 1022 Steel

Both ASTM A302 alloy steel and SAE-AISI 1022 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 ASTM A302 alloy steel and the bottom bar is SAE-AISI 1022 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 23
17 to 26
Fatigue Strength, MPa 250 to 280
190 to 300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 390
310 to 340
Tensile Strength: Ultimate (UTS), MPa 590 to 620
480 to 550
Tensile Strength: Yield (Proof), MPa 350 to 390
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
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 39 to 51
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
1.8
Density, g/cm3 7.8 to 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
1.4
Embodied Energy, MJ/kg 20 to 21
18
Embodied Water, L/kg 48 to 50
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
190 to 530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
17 to 19
Strength to Weight: Bending, points 20 to 21
17 to 19
Thermal Diffusivity, mm2/s 10 to 14
14
Thermal Shock Resistance, points 17 to 18
15 to 17