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C87900 Brass vs. S41003 Stainless Steel

C87900 brass belongs to the copper alloys classification, while S41003 stainless steel belongs to the iron alloys. There are 28 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 C87900 brass and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
21
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 480
520
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Maximum Temperature: Mechanical, °C 130
720
Melting Completion (Liquidus), °C 930
1440
Melting Onset (Solidus), °C 900
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
7.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 46
27
Embodied Water, L/kg 320
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
92
Resilience: Unit (Modulus of Resilience), kJ/m3 270
240
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 37
7.2
Thermal Shock Resistance, points 16
19

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
83.4 to 89.5
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.5
0 to 1.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0