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C68800 Brass vs. S31060 Stainless Steel

C68800 brass belongs to the copper alloys classification, while S31060 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 2.0 to 36
46
Poisson's Ratio 0.32
0.27
Rockwell B Hardness 81 to 99
82
Shear Modulus, GPa 41
78
Shear Strength, MPa 380 to 510
480
Tensile Strength: Ultimate (UTS), MPa 570 to 890
680
Tensile Strength: Yield (Proof), MPa 390 to 790
310

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 160
1080
Melting Completion (Liquidus), °C 960
1420
Melting Onset (Solidus), °C 950
1370
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 20
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
18
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 48
48
Embodied Water, L/kg 350
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
260
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
250
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19 to 30
24
Strength to Weight: Bending, points 19 to 25
22
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 30
15

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 0
22 to 24
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0
Iron (Fe), % 0 to 0.2
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
10 to 12.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0