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S31803 Stainless Steel vs. CC762S Brass

S31803 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 (6, in this case) are not shown.

For each property being compared, the top bar is S31803 stainless steel and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
210
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 29
7.3
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
43
Tensile Strength: Ultimate (UTS), MPa 710
840
Tensile Strength: Yield (Proof), MPa 500
540

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 1060
160
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
32

Otherwise Unclassified Properties

Base Metal Price, % relative 17
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 49
51
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
54
Resilience: Unit (Modulus of Resilience), kJ/m3 630
1290
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.3
15
Thermal Shock Resistance, points 20
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 21 to 23
0
Copper (Cu), % 0
57 to 67
Iron (Fe), % 63.7 to 71.9
1.5 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 2.0
2.5 to 5.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
0 to 3.0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
13.4 to 36