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C68300 Brass vs. C99700 Brass

Both C68300 brass and C99700 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 C68300 brass and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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