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C85200 Brass vs. S21900 Stainless Steel

C85200 brass belongs to the copper alloys classification, while S21900 stainless steel belongs to the iron alloys. There are 28 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 C85200 brass and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 28
50
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 270
710
Tensile Strength: Yield (Proof), MPa 95
390

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 140
980
Melting Completion (Liquidus), °C 940
1400
Melting Onset (Solidus), °C 930
1350
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 84
14
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 26
15
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
300
Resilience: Unit (Modulus of Resilience), kJ/m3 42
380
Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 8.9
26
Strength to Weight: Bending, points 11
23
Thermal Diffusivity, mm2/s 27
3.8
Thermal Shock Resistance, points 9.3
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 70 to 74
0
Iron (Fe), % 0 to 0.6
59.4 to 67.4
Lead (Pb), % 1.5 to 3.8
0
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 0 to 1.0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.050
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0.7 to 2.0
0
Zinc (Zn), % 20 to 27
0
Residuals, % 0 to 0.9
0