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C17300 Copper vs. AWS BAg-21

C17300 copper belongs to the copper alloys classification, while AWS BAg-21 belongs to the otherwise unclassified metals. They have a modest 29% 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 (13, in this case) are not shown.

For each property being compared, the top bar is C17300 copper and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
85
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 45
31
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
150

Thermal Properties

Latent Heat of Fusion, J/g 230
140
Melting Completion (Liquidus), °C 980
800
Melting Onset (Solidus), °C 870
690
Specific Heat Capacity, J/kg-K 380
280
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.8
Embodied Energy, MJ/kg 150
970

Common Calculations

Stiffness to Weight: Axial, points 7.6
4.8
Stiffness to Weight: Bending, points 19
15
Strength to Weight: Axial, points 16 to 44
4.2
Strength to Weight: Bending, points 16 to 31
6.4
Thermal Shock Resistance, points 17 to 48
6.6

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.8 to 2.0
0
Copper (Cu), % 95.5 to 97.8
27.5 to 29.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0.2 to 0.6
0
Nickel (Ni), % 0.2 to 0.6
2.0 to 3.0
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
62 to 64
Tin (Sn), % 0
5.0 to 7.0
Residuals, % 0
0 to 0.15