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S21904 Stainless Steel vs. CC762S Brass

S21904 stainless steel belongs to the iron alloys classification, while CC762S brass belongs to the copper 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 S21904 stainless steel and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
210
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17 to 51
7.3
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
840
Tensile Strength: Yield (Proof), MPa 390 to 910
540

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 980
160
Melting Completion (Liquidus), °C 1400
920
Melting Onset (Solidus), °C 1350
870
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
32

Otherwise Unclassified Properties

Base Metal Price, % relative 15
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 43
51
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
54
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
1290
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25 to 36
29
Strength to Weight: Bending, points 23 to 29
25
Thermal Diffusivity, mm2/s 3.8
15
Thermal Shock Resistance, points 15 to 21
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
57 to 67
Iron (Fe), % 59.5 to 67.4
1.5 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 8.0 to 10
2.5 to 5.0
Nickel (Ni), % 5.5 to 7.5
0 to 3.0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
13.4 to 36