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CC755S Brass vs. S40930 Stainless Steel

CC755S brass belongs to the copper alloys classification, while S40930 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 CC755S brass and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
160
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 9.5
23
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 390
430
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Maximum Temperature: Mechanical, °C 120
710
Melting Completion (Liquidus), °C 820
1450
Melting Onset (Solidus), °C 780
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
25
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 30
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
8.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 46
32
Embodied Water, L/kg 330
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
80
Resilience: Unit (Modulus of Resilience), kJ/m3 290
94
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14
16
Strength to Weight: Bending, points 15
16
Thermal Diffusivity, mm2/s 38
6.7
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 59.5 to 61
0
Iron (Fe), % 0.050 to 0.2
84.7 to 89.4
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Nickel (Ni), % 0 to 0.2
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 35.8 to 38.9
0