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Nickel 30 vs. SAE-AISI M3 Class 2 Steel

Nickel 30 belongs to the nickel alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 30 and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
77
Tensile Strength: Ultimate (UTS), MPa 660
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1480
1620
Melting Onset (Solidus), °C 1430
1570
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 10
26
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
25
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 9.4
12
Embodied Energy, MJ/kg 130
180
Embodied Water, L/kg 290
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 22
26 to 74
Strength to Weight: Bending, points 20
22 to 45
Thermal Diffusivity, mm2/s 2.7
7.2
Thermal Shock Resistance, points 18
24 to 69

Alloy Composition

Carbon (C), % 0 to 0.030
1.2 to 1.3
Chromium (Cr), % 28 to 31.5
3.8 to 4.5
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0 to 0.25
Iron (Fe), % 13 to 17
75.8 to 82.3
Manganese (Mn), % 0 to 0.030
0.15 to 0.4
Molybdenum (Mo), % 4.0 to 6.0
4.8 to 6.5
Nickel (Ni), % 30.2 to 52.2
0 to 0.3
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.8
0.2 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 4.0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8