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C66900 Brass vs. S82012 Stainless Steel

C66900 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 (8, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.1 to 26
40
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 45
78
Shear Strength, MPa 290 to 440
550
Tensile Strength: Ultimate (UTS), MPa 460 to 770
800
Tensile Strength: Yield (Proof), MPa 330 to 760
560

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 150
950
Melting Completion (Liquidus), °C 860
1430
Melting Onset (Solidus), °C 850
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.4
Embodied Energy, MJ/kg 46
35
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
290
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
790
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15 to 26
29
Strength to Weight: Bending, points 16 to 23
25
Thermal Shock Resistance, points 14 to 23
23

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 20.5
Copper (Cu), % 62.5 to 64.5
0 to 1.0
Iron (Fe), % 0 to 0.25
71.3 to 77.9
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
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), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0 to 0.2
0