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SAE-AISI H41 Steel vs. SAE-AISI M50 Steel

Both SAE-AISI H41 steel and SAE-AISI M50 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, 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 M50 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
75
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1560
1480
Melting Onset (Solidus), °C 1510
1440
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
35
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.8
5.1
Embodied Energy, MJ/kg 97
74
Embodied Water, L/kg 97
83

Common Calculations

PREN (Pitting Resistance) 35
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 76
26 to 80
Strength to Weight: Bending, points 22 to 47
23 to 49
Thermal Diffusivity, mm2/s 7.7
9.7
Thermal Shock Resistance, points 20 to 64
21 to 66

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.78 to 0.88
Chromium (Cr), % 3.5 to 4.0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 81.8 to 85
87 to 90.4
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.45
Molybdenum (Mo), % 8.2 to 9.2
3.9 to 4.8
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
0.8 to 1.3

Comparable Variants