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EN 1.4347 Stainless Steel vs. CC755S Brass

EN 1.4347 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 1.4347 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, % 23
9.5
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 660
390
Tensile Strength: Yield (Proof), MPa 480
250

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1410
820
Melting Onset (Solidus), °C 1370
780
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
30

Otherwise Unclassified Properties

Base Metal Price, % relative 16
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 170
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
33
Resilience: Unit (Modulus of Resilience), kJ/m3 570
290
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
14
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 4.0
38
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 25 to 27
0
Copper (Cu), % 0
59.5 to 61
Iron (Fe), % 62.2 to 69.4
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0 to 1.5
0 to 0.050
Nickel (Ni), % 5.5 to 7.5
0 to 0.2
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.5
0 to 0.050
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.8 to 38.9