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S21900 Stainless Steel vs. CC762S Brass

S21900 stainless steel belongs to the iron alloys classification, while CC762S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S21900 stainless steel and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 50
7.3
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 710
840
Tensile Strength: Yield (Proof), MPa 390
540

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 980
160
Melting Completion (Liquidus), °C 1400
920
Melting Onset (Solidus), °C 1350
870
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
32

Otherwise Unclassified Properties

Base Metal Price, % relative 15
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 43
51
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
54
Resilience: Unit (Modulus of Resilience), kJ/m3 380
1290
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.8
15
Thermal Shock Resistance, points 15
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
57 to 67
Iron (Fe), % 59.4 to 67.4
1.5 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 8.0 to 10
2.5 to 5.0
Nickel (Ni), % 5.5 to 7.5
0 to 3.0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
13.4 to 36