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C69700 Brass vs. S82012 Stainless Steel

C69700 brass belongs to the copper alloys classification, while S82012 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 S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
40
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
78
Shear Strength, MPa 300
550
Tensile Strength: Ultimate (UTS), MPa 470
800
Tensile Strength: Yield (Proof), MPa 230
560

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 160
950
Melting Completion (Liquidus), °C 930
1430
Melting Onset (Solidus), °C 880
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 44
35
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
290
Resilience: Unit (Modulus of Resilience), kJ/m3 250
790
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
29
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 13
3.9
Thermal Shock Resistance, points 16
23

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 20.5
Copper (Cu), % 75 to 80
0 to 1.0
Iron (Fe), % 0 to 0.2
71.3 to 77.9
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0