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CC755S Brass vs. AISI 309Cb Stainless Steel

CC755S brass belongs to the copper alloys classification, while AISI 309Cb 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 CC755S brass and the bottom bar is AISI 309Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
190
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 9.5
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 390
580
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
1090
Melting Completion (Liquidus), °C 820
1420
Melting Onset (Solidus), °C 780
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 46
59
Embodied Water, L/kg 330
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
180
Resilience: Unit (Modulus of Resilience), kJ/m3 290
140
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14
20
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 38
4.0
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 59.5 to 61
0
Iron (Fe), % 0.050 to 0.2
56 to 66
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Nickel (Ni), % 0 to 0.2
12 to 16
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.050
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0