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SAE-AISI L3 Steel vs. SAE-AISI H41 Steel

Both SAE-AISI L3 steel and SAE-AISI H41 steel are iron alloys. They have 86% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI L3 steel and the bottom bar is SAE-AISI H41 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 72
77
Tensile Strength: Ultimate (UTS), MPa 600 to 2250
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1450
1560
Melting Onset (Solidus), °C 1410
1510
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 43
28
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
18
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.9
6.8
Embodied Energy, MJ/kg 27
97
Embodied Water, L/kg 53
97

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 80
24 to 76
Strength to Weight: Bending, points 20 to 49
22 to 47
Thermal Diffusivity, mm2/s 12
7.7
Thermal Shock Resistance, points 18 to 67
20 to 64

Alloy Composition

Carbon (C), % 1.0 to 1.1
0.6 to 0.75
Chromium (Cr), % 1.3 to 1.7
3.5 to 4.0
Iron (Fe), % 95.5 to 97.3
81.8 to 85
Manganese (Mn), % 0.25 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0.1 to 0.3
1.0 to 1.3

Comparable Variants