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C34500 Brass vs. AISI 204 Stainless Steel

C34500 brass belongs to the copper alloys classification, while AISI 204 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C34500 brass and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 12 to 28
23 to 39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 220 to 260
500 to 700
Tensile Strength: Ultimate (UTS), MPa 340 to 430
730 to 1100
Tensile Strength: Yield (Proof), MPa 120 to 180
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 120
850
Melting Completion (Liquidus), °C 910
1410
Melting Onset (Solidus), °C 890
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
10
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 45
35
Embodied Water, L/kg 320
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
360 to 2940
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 15
27 to 40
Strength to Weight: Bending, points 13 to 16
24 to 31
Thermal Diffusivity, mm2/s 37
4.1
Thermal Shock Resistance, points 11 to 14
16 to 24

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
69.6 to 76.4
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0
1.5 to 3.0
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0 to 0.4
0