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C69700 Brass vs. S31260 Stainless Steel

C69700 brass belongs to the copper alloys classification, while S31260 stainless steel belongs to the iron alloys. There are 27 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 C69700 brass and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
23
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
80
Shear Strength, MPa 300
500
Tensile Strength: Ultimate (UTS), MPa 470
790
Tensile Strength: Yield (Proof), MPa 230
540

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 930
1450
Melting Onset (Solidus), °C 880
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 43
16
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
20
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
160
Resilience: Unit (Modulus of Resilience), kJ/m3 250
720
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
28
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 13
4.3
Thermal Shock Resistance, points 16
22

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 75 to 80
0.2 to 0.8
Iron (Fe), % 0 to 0.2
59.6 to 67.6
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 2.5 to 3.5
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0