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SAE-AISI M41 Steel vs. SAE-AISI D4 Steel

Both SAE-AISI M41 steel and SAE-AISI D4 steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is SAE-AISI D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
760 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1600
1430
Melting Onset (Solidus), °C 1550
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
31
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.1
3.3
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 28
15
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
27 to 75
Strength to Weight: Bending, points 23 to 46
24 to 47
Thermal Diffusivity, mm2/s 6.0
8.3
Thermal Shock Resistance, points 25 to 71
23 to 63

Alloy Composition

Carbon (C), % 1.1 to 1.2
2.1 to 2.4
Chromium (Cr), % 3.8 to 4.5
11 to 13
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 73.4 to 78.9
80.6 to 86.3
Manganese (Mn), % 0.2 to 0.6
0 to 0.6
Molybdenum (Mo), % 3.3 to 4.3
0.7 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0 to 1.0

Comparable Variants