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C69430 Brass vs. AISI 446 Stainless Steel

C69430 brass belongs to the copper alloys classification, while AISI 446 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
23
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
79
Shear Strength, MPa 350
360
Tensile Strength: Ultimate (UTS), MPa 570
570
Tensile Strength: Yield (Proof), MPa 280
300

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 170
1180
Melting Completion (Liquidus), °C 920
1510
Melting Onset (Solidus), °C 820
1430
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
12
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 44
35
Embodied Water, L/kg 300
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
230
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 7.7
4.6
Thermal Shock Resistance, points 20
19

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
23 to 27
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
69.2 to 77
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0