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C69430 Brass vs. AISI 329 Stainless Steel

C69430 brass belongs to the copper alloys classification, while AISI 329 stainless steel belongs to the iron alloys. There are 29 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 C69430 brass and the bottom bar is AISI 329 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
17
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
80
Shear Strength, MPa 350
440
Tensile Strength: Ultimate (UTS), MPa 570
710
Tensile Strength: Yield (Proof), MPa 280
540

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1440
Melting Onset (Solidus), °C 820
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
16
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 27
16
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 300
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
730
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 7.7
4.3
Thermal Shock Resistance, points 20
19

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
23 to 28
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
63.1 to 74
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
2.0 to 5.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0