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AWS BAg-37 vs. C71520 Copper-nickel

AWS BAg-37 belongs to the otherwise unclassified metals classification, while C71520 copper-nickel belongs to the copper alloys. They have 40% of their average alloy composition in common. There are 17 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-37 and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 36
51
Tensile Strength: Ultimate (UTS), MPa 180
370 to 570

Thermal Properties

Latent Heat of Fusion, J/g 150
230
Melting Completion (Liquidus), °C 780
1170
Melting Onset (Solidus), °C 690
1120
Specific Heat Capacity, J/kg-K 350
400
Thermal Expansion, µm/m-K 21
15

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 26
5.0
Embodied Energy, MJ/kg 410
73

Common Calculations

Stiffness to Weight: Axial, points 6.1
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 5.9
12 to 18
Strength to Weight: Bending, points 8.3
13 to 17
Thermal Shock Resistance, points 6.6
12 to 19

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 39 to 41
65 to 71.6
Iron (Fe), % 0
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silver (Ag), % 24 to 26
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.5 to 2.5
0
Zinc (Zn), % 31 to 35
0 to 0.5
Residuals, % 0
0 to 0.5