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CC767S Brass vs. S31277 Stainless Steel

CC767S brass belongs to the copper alloys classification, while S31277 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CC767S brass and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 34
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 430
860
Tensile Strength: Yield (Proof), MPa 150
410

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 790
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
36
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.7
6.7
Embodied Energy, MJ/kg 47
90
Embodied Water, L/kg 330
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
320
Resilience: Unit (Modulus of Resilience), kJ/m3 100
410
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15
29
Strength to Weight: Bending, points 16
25
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20.5 to 23
Copper (Cu), % 58 to 64
0.5 to 1.5
Iron (Fe), % 0 to 0.5
35.5 to 46.2
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0 to 1.0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 32.8 to 41.9
0