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EN 1.4369 Stainless Steel vs. C81400 Copper

EN 1.4369 stainless steel belongs to the iron alloys classification, while C81400 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4369 stainless steel and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 850
370
Tensile Strength: Yield (Proof), MPa 390
250

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 940
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1360
1070
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
260
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
60
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
61

Otherwise Unclassified Properties

Base Metal Price, % relative 14
33
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
36
Resilience: Unit (Modulus of Resilience), kJ/m3 380
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31
11
Strength to Weight: Bending, points 26
13
Thermal Diffusivity, mm2/s 4.0
75
Thermal Shock Resistance, points 18
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0.070 to 0.15
0
Chromium (Cr), % 17.5 to 19.5
0.6 to 1.0
Copper (Cu), % 0
98.4 to 99.38
Iron (Fe), % 63 to 70.2
0
Manganese (Mn), % 5.0 to 7.5
0
Nickel (Ni), % 6.5 to 8.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.5 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.5