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C33200 Brass vs. S21900 Stainless Steel

C33200 brass belongs to the copper alloys classification, while S21900 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C33200 brass and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 7.0 to 60
50
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 240 to 300
510
Tensile Strength: Ultimate (UTS), MPa 320 to 520
710
Tensile Strength: Yield (Proof), MPa 110 to 450
390

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 130
980
Melting Completion (Liquidus), °C 930
1400
Melting Onset (Solidus), °C 900
1350
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 44
43
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
300
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 960
380
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 17
26
Strength to Weight: Bending, points 13 to 17
23
Thermal Diffusivity, mm2/s 37
3.8
Thermal Shock Resistance, points 11 to 17
15

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 65 to 68
0
Iron (Fe), % 0 to 0.070
59.4 to 67.4
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 29 to 33.5
0
Residuals, % 0 to 0.4
0