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C43000 Brass vs. AISI 440A Stainless Steel

C43000 brass belongs to the copper alloys classification, while AISI 440A stainless steel belongs to the iron alloys. There are 28 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 C43000 brass and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 3.0 to 55
5.0 to 20
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Shear Strength, MPa 230 to 410
450 to 1040
Tensile Strength: Ultimate (UTS), MPa 320 to 710
730 to 1790
Tensile Strength: Yield (Proof), MPa 130 to 550
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 170
760
Melting Completion (Liquidus), °C 1030
1480
Melting Onset (Solidus), °C 1000
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
23
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.0
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 330
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
87 to 120
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10 to 23
26 to 65
Strength to Weight: Bending, points 12 to 20
23 to 43
Thermal Diffusivity, mm2/s 36
6.2
Thermal Shock Resistance, points 11 to 25
26 to 65

Alloy Composition

Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 84 to 87
0
Iron (Fe), % 0 to 0.050
78.4 to 83.4
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
0
Residuals, % 0 to 0.5
0