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SAE-AISI M34 Steel vs. N08221 Nickel

SAE-AISI M34 steel belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M34 steel and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
610

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1540
1440
Melting Onset (Solidus), °C 1500
1390
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 32
44
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 9.5
7.9
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 150
240

Common Calculations

PREN (Pitting Resistance) 35
40
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 74
21
Strength to Weight: Bending, points 23 to 46
19
Thermal Shock Resistance, points 25 to 67
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.85 to 0.92
0 to 0.025
Chromium (Cr), % 3.5 to 4.0
20 to 22
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 71.3 to 76.5
22 to 33.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 7.8 to 9.2
5.0 to 6.5
Nickel (Ni), % 0 to 0.3
39 to 46
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0