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AWS BAg-37 vs. C84400 Valve Metal

AWS BAg-37 belongs to the otherwise unclassified metals classification, while C84400 valve metal belongs to the copper alloys. They have 51% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-37 and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
100
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 36
39
Tensile Strength: Ultimate (UTS), MPa 180
230

Thermal Properties

Latent Heat of Fusion, J/g 150
180
Melting Completion (Liquidus), °C 780
1000
Melting Onset (Solidus), °C 690
840
Specific Heat Capacity, J/kg-K 350
370
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 26
2.8
Embodied Energy, MJ/kg 410
46

Common Calculations

Stiffness to Weight: Axial, points 6.1
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 5.9
7.2
Strength to Weight: Bending, points 8.3
9.4
Thermal Shock Resistance, points 6.6
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 39 to 41
78 to 82
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
6.0 to 8.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 24 to 26
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 1.5 to 2.5
2.3 to 3.5
Zinc (Zn), % 31 to 35
7.0 to 10
Residuals, % 0
0 to 0.7