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C32000 Brass vs. S21800 Stainless Steel

C32000 brass belongs to the copper alloys classification, while S21800 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 C32000 brass and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.8 to 29
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 41
75
Shear Strength, MPa 180 to 280
510
Tensile Strength: Ultimate (UTS), MPa 270 to 470
740
Tensile Strength: Yield (Proof), MPa 78 to 390
390

Thermal Properties

Latent Heat of Fusion, J/g 190
340
Maximum Temperature: Mechanical, °C 170
900
Melting Completion (Liquidus), °C 1020
1360
Melting Onset (Solidus), °C 990
1310
Specific Heat Capacity, J/kg-K 380
500
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
15
Density, g/cm3 8.7
7.5
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
250
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
390
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 8.8 to 15
27
Strength to Weight: Bending, points 11 to 16
24
Thermal Shock Resistance, points 9.5 to 16
17

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 83.5 to 86.5
0
Iron (Fe), % 0 to 0.1
59.1 to 65.4
Lead (Pb), % 1.5 to 2.2
0
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0 to 0.25
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0 to 0.4
0