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C99700 Brass vs. C68300 Brass

Both C99700 brass and C68300 brass are copper alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 25
15
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 380
430
Tensile Strength: Yield (Proof), MPa 170
260

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 880
890
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
56
Resilience: Unit (Modulus of Resilience), kJ/m3 120
330
Stiffness to Weight: Axial, points 8.3
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
15
Strength to Weight: Bending, points 14
16
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 54 to 65.5
59 to 63
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 2.0
0 to 0.090
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
0
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0 to 1.0
0.050 to 0.2
Zinc (Zn), % 19 to 25
34.2 to 40.4
Residuals, % 0
0 to 0.5