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C43000 Brass vs. AISI 420 Stainless Steel

C43000 brass belongs to the copper alloys classification, while AISI 420 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C43000 brass and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 3.0 to 55
8.0 to 15
Poisson's Ratio 0.33
0.28
Rockwell B Hardness 30 to 100
84
Shear Modulus, GPa 42
76
Shear Strength, MPa 230 to 410
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 320 to 710
690 to 1720
Tensile Strength: Yield (Proof), MPa 130 to 550
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 170
620
Melting Completion (Liquidus), °C 1030
1510
Melting Onset (Solidus), °C 1000
1450
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 28
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
7.5
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 46
28
Embodied Water, L/kg 330
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
380 to 4410
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10 to 23
25 to 62
Strength to Weight: Bending, points 12 to 20
22 to 41
Thermal Diffusivity, mm2/s 36
7.3
Thermal Shock Resistance, points 11 to 25
25 to 62

Alloy Composition

Carbon (C), % 0
0.15 to 0.4
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 84 to 87
0
Iron (Fe), % 0 to 0.050
82.3 to 87.9
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
0
Residuals, % 0 to 0.5
0