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EN 1.4317 Stainless Steel vs. C14700 Copper

EN 1.4317 stainless steel belongs to the iron alloys classification, while C14700 copper 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 1.4317 stainless steel and the bottom bar is C14700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 17
9.1 to 35
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 860
240 to 320
Tensile Strength: Yield (Proof), MPa 630
85 to 250

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 770
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1070
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
370
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
95
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
96

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 33
41
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
25 to 65
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
31 to 280
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31
7.3 to 10
Strength to Weight: Bending, points 26
9.5 to 12
Thermal Diffusivity, mm2/s 7.0
110
Thermal Shock Resistance, points 30
8.4 to 12

Alloy Composition

Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 12 to 13.5
0
Copper (Cu), % 0
99.395 to 99.798
Iron (Fe), % 78.7 to 84.5
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 3.5 to 5.0
0
Phosphorus (P), % 0 to 0.035
0.0020 to 0.0050
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.025
0.2 to 0.5
Residuals, % 0
0 to 0.1