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EN 1.4347 Stainless Steel vs. CC750S Brass

EN 1.4347 stainless steel belongs to the iron alloys classification, while CC750S 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 CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 23
13
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 660
200
Tensile Strength: Yield (Proof), MPa 480
80

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 1100
130
Melting Completion (Liquidus), °C 1410
860
Melting Onset (Solidus), °C 1370
810
Specific Heat Capacity, J/kg-K 490
380
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
26

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 170
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
22
Resilience: Unit (Modulus of Resilience), kJ/m3 570
30
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
6.8
Strength to Weight: Bending, points 22
9.3
Thermal Diffusivity, mm2/s 4.0
35
Thermal Shock Resistance, points 19
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 25 to 27
0
Copper (Cu), % 0
62 to 67
Iron (Fe), % 62.2 to 69.4
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Manganese (Mn), % 0 to 1.5
0 to 0.2
Nickel (Ni), % 5.5 to 7.5
0 to 1.0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 1.5
0 to 0.050
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36