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CC767S Brass vs. S40977 Stainless Steel

CC767S brass belongs to the copper alloys classification, while S40977 stainless steel belongs to the iron 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 CC767S brass and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
160
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 34
21
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 430
510
Tensile Strength: Yield (Proof), MPa 150
310

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 120
720
Melting Completion (Liquidus), °C 840
1440
Melting Onset (Solidus), °C 790
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 36
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
6.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 47
27
Embodied Water, L/kg 330
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
92
Resilience: Unit (Modulus of Resilience), kJ/m3 100
250
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 34
6.7
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 58 to 64
0
Iron (Fe), % 0 to 0.5
83.9 to 89.2
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 0 to 1.0
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 32.8 to 41.9
0