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ASTM A209 Steel vs. SAE-AISI D7 Steel

Both ASTM A209 steel and SAE-AISI D7 steel are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM A209 steel and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 420 to 460
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420 to 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
27
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
10
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 47
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 16
29 to 78
Strength to Weight: Bending, points 16 to 17
25 to 48
Thermal Diffusivity, mm2/s 13
7.4
Thermal Shock Resistance, points 12 to 14
27 to 72