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EN 1.4405 Stainless Steel vs. CC755S Brass

EN 1.4405 stainless steel belongs to the iron alloys classification, while CC755S brass belongs to the copper 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 EN 1.4405 stainless steel and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 17
9.5
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 860
390
Tensile Strength: Yield (Proof), MPa 610
250

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 870
120
Melting Completion (Liquidus), °C 1450
820
Melting Onset (Solidus), °C 1400
780
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
120
Thermal Expansion, µm/m-K 11
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 39
46
Embodied Water, L/kg 130
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
33
Resilience: Unit (Modulus of Resilience), kJ/m3 950
290
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 31
14
Strength to Weight: Bending, points 26
15
Thermal Diffusivity, mm2/s 4.6
38
Thermal Shock Resistance, points 29
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
59.5 to 61
Iron (Fe), % 73.6 to 80.3
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0 to 1.0
0 to 0.050
Molybdenum (Mo), % 0.7 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
0 to 0.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0 to 0.050
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.8 to 38.9