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C43500 Brass vs. S21603 Stainless Steel

C43500 brass belongs to the copper alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C43500 brass and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.5 to 46
45
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 42
79
Shear Strength, MPa 220 to 310
490
Tensile Strength: Ultimate (UTS), MPa 320 to 530
690
Tensile Strength: Yield (Proof), MPa 120 to 480
390

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 160
990
Melting Completion (Liquidus), °C 1000
1420
Melting Onset (Solidus), °C 970
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
17
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 45
50
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 1040
380
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10 to 17
25
Strength to Weight: Bending, points 12 to 17
22
Thermal Shock Resistance, points 11 to 18
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 79 to 83
0
Iron (Fe), % 0 to 0.050
57.6 to 67.8
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 15.4 to 20.4
0
Residuals, % 0 to 0.3
0