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AISI 403 Stainless Steel vs. C87500 Brass

AISI 403 stainless steel belongs to the iron alloys classification, while C87500 brass belongs to the copper 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 AISI 403 stainless steel and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 16 to 25
18
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 530 to 780
460
Tensile Strength: Yield (Proof), MPa 280 to 570
190

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 740
170
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 28
28
Thermal Expansion, µm/m-K 9.9
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
44
Embodied Water, L/kg 99
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
67
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 19 to 28
16
Strength to Weight: Bending, points 19 to 24
16
Thermal Diffusivity, mm2/s 7.6
8.3
Thermal Shock Resistance, points 20 to 29
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 13
0
Copper (Cu), % 0
79 to 85
Iron (Fe), % 84.7 to 88.5
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
3.0 to 5.0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5