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CC755S Brass vs. EN 1.4521 Stainless Steel

CC755S brass belongs to the copper alloys classification, while EN 1.4521 stainless steel belongs to the iron alloys. There are 28 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 EN 1.4521 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 9.5
23
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 390
520
Tensile Strength: Yield (Proof), MPa 250
340

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
930
Melting Completion (Liquidus), °C 820
1460
Melting Onset (Solidus), °C 780
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
23
Thermal Expansion, µm/m-K 21
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
12
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 46
39
Embodied Water, L/kg 330
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
100
Resilience: Unit (Modulus of Resilience), kJ/m3 290
280
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14
19
Strength to Weight: Bending, points 15
19
Thermal Diffusivity, mm2/s 38
6.2
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 59.5 to 61
0
Iron (Fe), % 0.050 to 0.2
74.6 to 81.1
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0 to 0.2
0
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 0.015
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0.15 to 0.8
Zinc (Zn), % 35.8 to 38.9
0