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C43400 Brass vs. AISI 304Cu Stainless Steel

C43400 brass belongs to the copper alloys classification, while AISI 304Cu stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C43400 brass and the bottom bar is AISI 304Cu stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 3.0 to 49
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
76
Shear Strength, MPa 250 to 390
370
Tensile Strength: Ultimate (UTS), MPa 310 to 690
530
Tensile Strength: Yield (Proof), MPa 110 to 560
210

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 170
930
Melting Completion (Liquidus), °C 1020
1410
Melting Onset (Solidus), °C 990
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 140
13
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 32
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 28
16
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
43
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
110
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10 to 22
19
Strength to Weight: Bending, points 12 to 20
19
Thermal Diffusivity, mm2/s 41
3.5
Thermal Shock Resistance, points 11 to 24
12

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 84 to 87
3.0 to 4.0
Iron (Fe), % 0 to 0.050
63.9 to 72
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.4 to 1.0
0
Zinc (Zn), % 11.4 to 15.6
0
Residuals, % 0 to 0.5
0