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SAE-AISI H41 Steel vs. SAE-AISI 1055 Steel

Both SAE-AISI H41 steel and SAE-AISI 1055 steel are iron alloys. They have 84% of their average alloy composition in common. 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 H41 steel and the bottom bar is SAE-AISI 1055 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
72
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
730 to 750

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1560
1460
Melting Onset (Solidus), °C 1510
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
51
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.8
1.4
Embodied Energy, MJ/kg 97
18
Embodied Water, L/kg 97
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 76
26
Strength to Weight: Bending, points 22 to 47
23
Thermal Diffusivity, mm2/s 7.7
14
Thermal Shock Resistance, points 20 to 64
23 to 24

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.5 to 0.6
Chromium (Cr), % 3.5 to 4.0
0
Iron (Fe), % 81.8 to 85
98.4 to 98.9
Manganese (Mn), % 0.15 to 0.4
0.6 to 0.9
Molybdenum (Mo), % 8.2 to 9.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0