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CC755S Brass vs. EN 1.4740 Stainless Steel

CC755S brass belongs to the copper alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. There are 22 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 CC755S brass and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
260
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 9.5
22
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
900
Melting Completion (Liquidus), °C 820
1420
Melting Onset (Solidus), °C 780
1370
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 120
18
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 46
32
Embodied Water, L/kg 330
120

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 38
4.8

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
16 to 19
Copper (Cu), % 59.5 to 61
0
Iron (Fe), % 0.050 to 0.2
75.4 to 82.7
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0