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C99700 Brass vs. C38000 Brass

Both C99700 brass and C38000 brass are copper alloys. They have 81% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 25
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 46
39
Tensile Strength: Ultimate (UTS), MPa 380
380
Tensile Strength: Yield (Proof), MPa 170
120

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 160
110
Melting Completion (Liquidus), °C 900
800
Melting Onset (Solidus), °C 880
760
Specific Heat Capacity, J/kg-K 410
380
Thermal Expansion, µm/m-K 20
21

Otherwise Unclassified Properties

Base Metal Price, % relative 25
22
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
50
Resilience: Unit (Modulus of Resilience), kJ/m3 120
74
Stiffness to Weight: Axial, points 8.3
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
13
Strength to Weight: Bending, points 14
14
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0 to 0.5
Copper (Cu), % 54 to 65.5
55 to 60
Iron (Fe), % 0 to 1.0
0 to 0.35
Lead (Pb), % 0 to 2.0
1.5 to 2.5
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
0
Tin (Sn), % 0 to 1.0
0 to 0.3
Zinc (Zn), % 19 to 25
35.9 to 43.5
Residuals, % 0
0 to 0.5