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C48600 Brass vs. C37700 Brass

Both C48600 brass and C37700 brass are copper alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is C48600 brass and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 20 to 25
40
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 55 to 58
45
Shear Modulus, GPa 39
39
Shear Strength, MPa 180 to 230
270
Tensile Strength: Ultimate (UTS), MPa 280 to 360
400
Tensile Strength: Yield (Proof), MPa 110 to 170
160

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 900
890
Melting Onset (Solidus), °C 890
880
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 28
30

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55 to 59
130
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 140
120
Stiffness to Weight: Axial, points 7.1
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.5 to 12
14
Strength to Weight: Bending, points 12 to 14
15
Thermal Diffusivity, mm2/s 36
39
Thermal Shock Resistance, points 9.3 to 12
13

Alloy Composition

Arsenic (As), % 0.020 to 0.25
0
Copper (Cu), % 59 to 62
58 to 61
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 1.0 to 2.5
1.5 to 2.5
Tin (Sn), % 0.3 to 1.5
0
Zinc (Zn), % 33.4 to 39.7
35.7 to 40.5
Residuals, % 0
0 to 0.5