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C33000 Brass vs. S82012 Stainless Steel

C33000 brass belongs to the copper alloys classification, while S82012 stainless steel belongs to the iron 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 C33000 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, % 7.0 to 60
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 240 to 300
550
Tensile Strength: Ultimate (UTS), MPa 320 to 520
800
Tensile Strength: Yield (Proof), MPa 110 to 450
560

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 130
950
Melting Completion (Liquidus), °C 940
1430
Melting Onset (Solidus), °C 900
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 45
35
Embodied Water, L/kg 320
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
290
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
790
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 18
29
Strength to Weight: Bending, points 13 to 18
25
Thermal Diffusivity, mm2/s 37
3.9
Thermal Shock Resistance, points 11 to 17
23

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 20.5
Copper (Cu), % 65 to 68
0 to 1.0
Iron (Fe), % 0 to 0.070
71.3 to 77.9
Lead (Pb), % 0.25 to 0.7
0
Manganese (Mn), % 0
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), % 30.8 to 34.8
0
Residuals, % 0 to 0.4
0