MakeItFrom.com
Menu (ESC)

C21000 Brass vs. C85200 Brass

Both C21000 brass and C85200 brass are copper alloys. They have 77% of their average alloy composition in common. There are 28 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 C21000 brass and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
28
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 240 to 450
270
Tensile Strength: Yield (Proof), MPa 69 to 440
95

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 1070
940
Melting Onset (Solidus), °C 1050
930
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 230
84
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
18
Electrical Conductivity: Equal Weight (Specific), % IACS 57
19

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
59
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
42
Stiffness to Weight: Axial, points 7.2
7.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
8.9
Strength to Weight: Bending, points 9.6 to 15
11
Thermal Diffusivity, mm2/s 69
27
Thermal Shock Resistance, points 8.1 to 15
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 94 to 96
70 to 74
Iron (Fe), % 0 to 0.050
0 to 0.6
Lead (Pb), % 0 to 0.030
1.5 to 3.8
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Zinc (Zn), % 3.7 to 6.0
20 to 27
Residuals, % 0
0 to 0.9