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AWS BVAg-31 vs. Grade M30H Nickel

AWS BVAg-31 belongs to the otherwise unclassified metals classification, while grade M30H nickel belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
160
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 33
61
Tensile Strength: Ultimate (UTS), MPa 180
770

Thermal Properties

Latent Heat of Fusion, J/g 150
320
Melting Completion (Liquidus), °C 850
1250
Melting Onset (Solidus), °C 820
1200
Specific Heat Capacity, J/kg-K 280
440
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Density, g/cm3 10
8.6

Common Calculations

Stiffness to Weight: Axial, points 4.9
10
Stiffness to Weight: Bending, points 15
21
Strength to Weight: Axial, points 4.9
25
Strength to Weight: Bending, points 7.0
22
Thermal Shock Resistance, points 7.8
27

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.3
Copper (Cu), % 31 to 33
27 to 33
Iron (Fe), % 0
0 to 3.5
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
57.9 to 70.3
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
2.7 to 3.7
Silver (Ag), % 57 to 59
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0