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SAE-AISI T1 Steel vs. ASTM A302 Alloy Steel

Both SAE-AISI T1 steel and ASTM A302 alloy steel are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
590 to 620

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1750
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
39 to 51
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.4 to 3.0
Density, g/cm3 9.3
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 8.2
1.5 to 1.6
Embodied Energy, MJ/kg 130
20 to 21
Embodied Water, L/kg 90
48 to 50

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
21 to 22
Strength to Weight: Bending, points 20 to 40
20 to 21
Thermal Diffusivity, mm2/s 5.2
10 to 14
Thermal Shock Resistance, points 23 to 64
17 to 18