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C37700 Brass vs. C69710 Brass

Both C37700 brass and C69710 brass are copper alloys. They have 79% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C37700 brass and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 39
41
Shear Strength, MPa 270
300
Tensile Strength: Ultimate (UTS), MPa 400
470
Tensile Strength: Yield (Proof), MPa 160
230

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 890
930
Melting Onset (Solidus), °C 880
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
99
Resilience: Unit (Modulus of Resilience), kJ/m3 120
250
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
16
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 39
12
Thermal Shock Resistance, points 13
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 58 to 61
75 to 80
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 1.5 to 2.5
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Silicon (Si), % 0
2.5 to 3.5
Zinc (Zn), % 35.7 to 40.5
13.8 to 22
Residuals, % 0
0 to 0.5