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ASTM A209 Steel vs. SAE-AISI H25 Steel

Both ASTM A209 steel and SAE-AISI H25 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 H25 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 420 to 460
710 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1750
Melting Onset (Solidus), °C 1420 to 1430
1700
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 50
26
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
38
Density, g/cm3 7.9
9.1
Embodied Carbon, kg CO2/kg material 1.5
6.2
Embodied Energy, MJ/kg 20
93
Embodied Water, L/kg 47
83

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 15 to 16
22 to 50
Strength to Weight: Bending, points 16 to 17
20 to 34
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 12 to 14
22 to 49