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C37100 Brass vs. AWS BAg-21

C37100 brass 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 (15, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
85
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 40
31
Tensile Strength: Ultimate (UTS), MPa 370 to 520
150

Thermal Properties

Latent Heat of Fusion, J/g 170
140
Melting Completion (Liquidus), °C 900
800
Melting Onset (Solidus), °C 890
690
Specific Heat Capacity, J/kg-K 380
280
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Density, g/cm3 8.0
9.8
Embodied Energy, MJ/kg 45
970

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.8
Stiffness to Weight: Bending, points 20
15
Strength to Weight: Axial, points 13 to 18
4.2
Strength to Weight: Bending, points 14 to 18
6.4
Thermal Shock Resistance, points 12 to 17
6.6

Alloy Composition

Copper (Cu), % 58 to 62
27.5 to 29.5
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0.6 to 1.2
0
Nickel (Ni), % 0
2.0 to 3.0
Silver (Ag), % 0
62 to 64
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0
0 to 0.15