MakeItFrom.com
Menu (ESC)

C46400 Brass vs. C47940 Brass

Both C46400 brass and C47940 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 27 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 C46400 brass and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 17 to 40
14 to 34
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Shear Strength, MPa 270 to 310
250 to 310
Tensile Strength: Ultimate (UTS), MPa 400 to 500
380 to 520
Tensile Strength: Yield (Proof), MPa 160 to 320
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 900
850
Melting Onset (Solidus), °C 890
800
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
47
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76 to 140
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
120 to 740
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14 to 17
13 to 17
Strength to Weight: Bending, points 15 to 17
14 to 17
Thermal Diffusivity, mm2/s 38
36
Thermal Shock Resistance, points 13 to 16
13 to 17

Alloy Composition

Copper (Cu), % 59 to 62
63 to 66
Iron (Fe), % 0 to 0.1
0.1 to 1.0
Lead (Pb), % 0 to 0.2
1.0 to 2.0
Nickel (Ni), % 0
0.1 to 0.5
Tin (Sn), % 0.5 to 1.0
1.2 to 2.0
Zinc (Zn), % 36.3 to 40.5
28.1 to 34.6
Residuals, % 0
0 to 0.4

Comparable Variants