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Grade M30H Nickel vs. AWS BAg-20

Grade M30H nickel belongs to the nickel alloys classification, while AWS BAg-20 belongs to the otherwise unclassified metals. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is AWS BAg-20.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
93
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 61
35
Tensile Strength: Ultimate (UTS), MPa 770
160

Thermal Properties

Latent Heat of Fusion, J/g 320
150
Melting Completion (Liquidus), °C 1250
770
Melting Onset (Solidus), °C 1200
680
Specific Heat Capacity, J/kg-K 440
340
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 7.7
30
Embodied Energy, MJ/kg 110
480

Common Calculations

Stiffness to Weight: Axial, points 10
6.0
Stiffness to Weight: Bending, points 21
17
Strength to Weight: Axial, points 25
5.1
Strength to Weight: Bending, points 22
7.6
Thermal Shock Resistance, points 27
5.9

Alloy Composition


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Carbon (C), % 0 to 0.3
0
Copper (Cu), % 27 to 33
37 to 39
Iron (Fe), % 0 to 3.5
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 57.9 to 70.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 2.7 to 3.7
0
Silver (Ag), % 0
29 to 31
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
30 to 34
Residuals, % 0
0 to 0.15