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AWS BAg-21 vs. Grade M30C Nickel

AWS BAg-21 belongs to the otherwise unclassified metals classification, while grade M30C nickel belongs to the nickel alloys. They have a modest 31% 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 AWS BAg-21 and the bottom bar is grade M30C nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
160
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 31
61
Tensile Strength: Ultimate (UTS), MPa 150
510

Thermal Properties

Latent Heat of Fusion, J/g 140
290
Melting Completion (Liquidus), °C 800
1290
Melting Onset (Solidus), °C 690
1240
Specific Heat Capacity, J/kg-K 280
430
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 9.8
8.8
Embodied Energy, MJ/kg 970
140

Common Calculations

Stiffness to Weight: Axial, points 4.8
10
Stiffness to Weight: Bending, points 15
21
Strength to Weight: Axial, points 4.2
16
Strength to Weight: Bending, points 6.4
16
Thermal Shock Resistance, points 6.6
18

Alloy Composition

Carbon (C), % 0
0 to 0.3
Copper (Cu), % 27.5 to 29.5
26 to 33
Iron (Fe), % 0
0 to 3.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 2.0 to 3.0
56.6 to 72
Niobium (Nb), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
1.0 to 2.0
Silver (Ag), % 62 to 64
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.0 to 7.0
0
Residuals, % 0 to 0.15
0