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ASTM A202 Steel vs. SAE-AISI T4 Steel

Both ASTM A202 steel and SAE-AISI T4 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 ASTM A202 steel and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 590 to 670
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1810
Melting Onset (Solidus), °C 1410
1750
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
55
Density, g/cm3 7.8
9.4
Embodied Carbon, kg CO2/kg material 1.4
8.5
Embodied Energy, MJ/kg 19
130
Embodied Water, L/kg 49
120

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 21 to 24
24 to 64
Strength to Weight: Bending, points 20 to 22
20 to 39
Thermal Diffusivity, mm2/s 14
5.4
Thermal Shock Resistance, points 17 to 20
24 to 64

Comparable Variants