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Grade M30H Nickel vs. ASTM B780 Alloy

Grade M30H nickel belongs to the nickel alloys classification, while ASTM B780 alloy belongs to the otherwise unclassified metals. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is ASTM B780 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
83
Elongation at Break, % 11
1.1 to 9.1
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 61
30
Tensile Strength: Ultimate (UTS), MPa 770
330 to 590

Thermal Properties

Latent Heat of Fusion, J/g 320
140
Specific Heat Capacity, J/kg-K 440
270
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
70 to 76
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
62 to 68

Otherwise Unclassified Properties

Density, g/cm3 8.6
10

Common Calculations

Stiffness to Weight: Axial, points 10
4.5
Stiffness to Weight: Bending, points 21
14
Strength to Weight: Axial, points 25
9.1 to 16
Strength to Weight: Bending, points 22
11 to 15
Thermal Shock Resistance, points 27
16 to 29

Alloy Composition

Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.3
0
Copper (Cu), % 27 to 33
23.5 to 25.7
Iron (Fe), % 0 to 3.5
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 57.9 to 70.3
0.35 to 0.65
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 2.7 to 3.7
0
Silver (Ag), % 0
74 to 76
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.060