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SAE-AISI M41 Steel vs. Nickel 908

SAE-AISI M41 steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 45% 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 nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 77
70
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
1340

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1600
1430
Melting Onset (Solidus), °C 1550
1380
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 22
11
Thermal Expansion, µm/m-K 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
50
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 9.1
9.3
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 28
4.2
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 76
45
Strength to Weight: Bending, points 23 to 46
33
Thermal Diffusivity, mm2/s 6.0
2.9
Thermal Shock Resistance, points 25 to 71
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 1.1 to 1.2
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
3.8 to 4.5
Cobalt (Co), % 4.8 to 5.8
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 73.4 to 78.9
35.6 to 44.6
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.15 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0