MakeItFrom.com
Menu (ESC)

C92700 Bronze vs. C21000 Brass

Both C92700 bronze and C21000 brass are copper alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C92700 bronze and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.1
2.9 to 50
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 77
36 to 73
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 290
240 to 450
Tensile Strength: Yield (Proof), MPa 150
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 980
1070
Melting Onset (Solidus), °C 840
1050
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 47
230
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
56
Electrical Conductivity: Equal Weight (Specific), % IACS 11
57

Otherwise Unclassified Properties

Base Metal Price, % relative 35
30
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 58
42
Embodied Water, L/kg 390
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 110
21 to 830
Stiffness to Weight: Axial, points 6.8
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.1
7.4 to 14
Strength to Weight: Bending, points 11
9.6 to 15
Thermal Diffusivity, mm2/s 15
69
Thermal Shock Resistance, points 11
8.1 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 86 to 89
94 to 96
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 1.0 to 2.5
0 to 0.030
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.7
3.7 to 6.0
Residuals, % 0
0 to 0.2