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SAE-AISI H42 Steel vs. ASTM A209 Steel

Both SAE-AISI H42 steel and ASTM A209 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 SAE-AISI H42 steel and the bottom bar is ASTM A209 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 77
73
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
420 to 460

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1620
1470
Melting Onset (Solidus), °C 1570
1420 to 1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
50
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.4
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
1.5
Embodied Energy, MJ/kg 130
20
Embodied Water, L/kg 98
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
15 to 16
Strength to Weight: Bending, points 21 to 42
16 to 17
Thermal Diffusivity, mm2/s 6.5
13
Thermal Shock Resistance, points 20 to 57
12 to 14