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SAE-AISI M46 Steel vs. Grade M30H Nickel

SAE-AISI M46 steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 21 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 M46 steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
61
Tensile Strength: Ultimate (UTS), MPa 800 to 2300
770

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1540
1250
Melting Onset (Solidus), °C 1500
1200
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 18
22
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
50
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 12
7.7
Embodied Energy, MJ/kg 180
110
Embodied Water, L/kg 150
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 27 to 78
25
Strength to Weight: Bending, points 24 to 48
22
Thermal Diffusivity, mm2/s 4.9
5.7
Thermal Shock Resistance, points 25 to 71
27

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.3
Chromium (Cr), % 3.7 to 4.2
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
27 to 33
Iron (Fe), % 70 to 73.8
0 to 3.5
Manganese (Mn), % 0.2 to 0.4
0 to 1.5
Molybdenum (Mo), % 8.0 to 8.5
0
Nickel (Ni), % 0 to 0.3
57.9 to 70.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.4 to 0.65
2.7 to 3.7
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.9 to 2.2
0
Vanadium (V), % 3.0 to 3.3
0