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C48200 Brass vs. C68300 Brass

Both C48200 brass and C68300 brass are copper alloys. They have a very high 98% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C48200 brass and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 15 to 40
15
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Shear Strength, MPa 260 to 300
260
Tensile Strength: Ultimate (UTS), MPa 400 to 500
430
Tensile Strength: Yield (Proof), MPa 160 to 320
260

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 140
56
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 14 to 17
15
Strength to Weight: Bending, points 15 to 17
16
Thermal Diffusivity, mm2/s 38
38
Thermal Shock Resistance, points 13 to 16
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 59 to 62
59 to 63
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0.4 to 1.0
0 to 0.090
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0.5 to 1.0
0.050 to 0.2
Zinc (Zn), % 35.5 to 40.1
34.2 to 40.4
Residuals, % 0
0 to 0.5