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S82012 Stainless Steel vs. C21000 Brass

S82012 stainless steel belongs to the iron alloys classification, while C21000 brass belongs to the copper 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 S82012 stainless steel and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
2.9 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Shear Strength, MPa 550
180 to 280
Tensile Strength: Ultimate (UTS), MPa 800
240 to 450
Tensile Strength: Yield (Proof), MPa 560
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 950
190
Melting Completion (Liquidus), °C 1430
1070
Melting Onset (Solidus), °C 1380
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
230
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
56
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
57

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
42
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 790
21 to 830
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29
7.4 to 14
Strength to Weight: Bending, points 25
9.6 to 15
Thermal Diffusivity, mm2/s 3.9
69
Thermal Shock Resistance, points 23
8.1 to 15

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 19 to 20.5
0
Copper (Cu), % 0 to 1.0
94 to 96
Iron (Fe), % 71.3 to 77.9
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 0.8 to 1.5
0
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.0050
0
Zinc (Zn), % 0
3.7 to 6.0
Residuals, % 0
0 to 0.2