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Grade M30H Nickel vs. SAE-AISI M6 Steel

Grade M30H nickel belongs to the nickel alloys classification, while SAE-AISI M6 steel belongs to the iron 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 grade M30H nickel and the bottom bar is SAE-AISI M6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
77
Tensile Strength: Ultimate (UTS), MPa 770
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1250
1560
Melting Onset (Solidus), °C 1200
1510
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 22
17
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
39
Density, g/cm3 8.6
8.4
Embodied Carbon, kg CO2/kg material 7.7
8.0
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 250
160

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 25
28 to 73
Strength to Weight: Bending, points 22
24 to 45
Thermal Diffusivity, mm2/s 5.7
4.7
Thermal Shock Resistance, points 27
26 to 68

Alloy Composition

Carbon (C), % 0 to 0.3
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
11 to 13
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 3.5
68.8 to 74.6
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 57.9 to 70.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 2.7 to 3.7
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 0
1.3 to 1.7