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SAE-AISI M41 Steel vs. Nickel 685

SAE-AISI M41 steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
1250

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1600
1380
Melting Onset (Solidus), °C 1550
1330
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 22
13
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
75
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 9.1
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 120
340

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 76
42
Strength to Weight: Bending, points 23 to 46
31
Thermal Diffusivity, mm2/s 6.0
3.3
Thermal Shock Resistance, points 25 to 71
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 1.1 to 1.2
0.030 to 0.1
Chromium (Cr), % 3.8 to 4.5
18 to 21
Cobalt (Co), % 4.8 to 5.8
12 to 15
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 73.4 to 78.9
0 to 2.0
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 3.3 to 4.3
3.5 to 5.0
Nickel (Ni), % 0 to 0.3
49.6 to 62.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0.020 to 0.12