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C37100 Brass vs. C68300 Brass

Both C37100 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 (4, in this case) are not shown.

For each property being compared, the top bar is C37100 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, % 8.0 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 370 to 520
430
Tensile Strength: Yield (Proof), MPa 150 to 390
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 45
46
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
56
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13 to 18
15
Strength to Weight: Bending, points 14 to 18
16
Thermal Diffusivity, mm2/s 39
38
Thermal Shock Resistance, points 12 to 17
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 58 to 62
59 to 63
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0.6 to 1.2
0 to 0.090
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0
0.050 to 0.2
Zinc (Zn), % 36.3 to 41.4
34.2 to 40.4
Residuals, % 0
0 to 0.5