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CC764S Brass vs. S21904 Stainless Steel

CC764S brass belongs to the copper alloys classification, while S21904 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC764S brass and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 15
17 to 51
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 680
700 to 1000
Tensile Strength: Yield (Proof), MPa 290
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 130
980
Melting Completion (Liquidus), °C 850
1400
Melting Onset (Solidus), °C 810
1350
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 94
14
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 36
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 49
43
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 390
380 to 2070
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 24
25 to 36
Strength to Weight: Bending, points 22
23 to 29
Thermal Diffusivity, mm2/s 30
3.8
Thermal Shock Resistance, points 22
15 to 21

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Antimony (Sb), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 52 to 66
0
Iron (Fe), % 0.5 to 2.5
59.5 to 67.4
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0.3 to 4.0
8.0 to 10
Nickel (Ni), % 0 to 3.0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 20.7 to 50.2
0