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C99400 Brass vs. AISI 403 Stainless Steel

C99400 brass belongs to the copper alloys classification, while AISI 403 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C99400 brass and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
76
Tensile Strength: Ultimate (UTS), MPa 460 to 550
530 to 780
Tensile Strength: Yield (Proof), MPa 230 to 370
280 to 570

Thermal Properties

Latent Heat of Fusion, J/g 230
270
Maximum Temperature: Mechanical, °C 200
740
Melting Completion (Liquidus), °C 1070
1450
Melting Onset (Solidus), °C 1020
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 17
9.9

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
6.5
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 310
99

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
210 to 840
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 17
19 to 28
Strength to Weight: Bending, points 15 to 17
19 to 24
Thermal Shock Resistance, points 16 to 19
20 to 29

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
11.5 to 13
Copper (Cu), % 83.5 to 96.5
0
Iron (Fe), % 1.0 to 3.0
84.7 to 88.5
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 1.0 to 3.5
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.5 to 5.0
0
Residuals, % 0 to 0.3
0