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Grade M30H Nickel vs. R05255 Alloy

Grade M30H nickel belongs to the nickel alloys classification, while R05255 alloy belongs to the otherwise unclassified metals. 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 grade M30H nickel and the bottom bar is R05255 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 11
20
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 61
70
Tensile Strength: Ultimate (UTS), MPa 770
540
Tensile Strength: Yield (Proof), MPa 470
450

Thermal Properties

Latent Heat of Fusion, J/g 320
140
Specific Heat Capacity, J/kg-K 440
140
Thermal Conductivity, W/m-K 22
59
Thermal Expansion, µm/m-K 13
6.6

Otherwise Unclassified Properties

Density, g/cm3 8.6
17
Embodied Water, L/kg 250
630

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
100
Resilience: Unit (Modulus of Resilience), kJ/m3 700
530
Stiffness to Weight: Axial, points 10
6.3
Stiffness to Weight: Bending, points 21
11
Strength to Weight: Axial, points 25
9.1
Strength to Weight: Bending, points 22
8.9
Thermal Diffusivity, mm2/s 5.7
25
Thermal Shock Resistance, points 27
31

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.010
Copper (Cu), % 27 to 33
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 3.5
0 to 0.010
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 57.9 to 70.3
0 to 0.010
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 2.7 to 3.7
0 to 0.0050
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
95.9 to 98
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
2.0 to 3.5