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C34500 Brass vs. S41003 Stainless Steel

C34500 brass belongs to the copper alloys classification, while S41003 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 C34500 brass and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 12 to 28
21
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 220 to 260
320
Tensile Strength: Ultimate (UTS), MPa 340 to 430
520
Tensile Strength: Yield (Proof), MPa 120 to 180
310

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Maximum Temperature: Mechanical, °C 120
720
Melting Completion (Liquidus), °C 910
1440
Melting Onset (Solidus), °C 890
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 29
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
7.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 320
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
92
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
240
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 15
19
Strength to Weight: Bending, points 13 to 16
18
Thermal Diffusivity, mm2/s 37
7.2
Thermal Shock Resistance, points 11 to 14
19

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
83.4 to 89.5
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 1.5
Nitrogen (N), % 0
0 to 0.030
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