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EN 1.4031 Stainless Steel vs. C82700 Copper

EN 1.4031 stainless steel belongs to the iron alloys classification, while C82700 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4031 stainless steel and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 11 to 13
1.8
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
46
Tensile Strength: Ultimate (UTS), MPa 670 to 900
1200
Tensile Strength: Yield (Proof), MPa 390 to 730
1020

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 770
300
Melting Completion (Liquidus), °C 1440
950
Melting Onset (Solidus), °C 1400
860
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 30
130
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
20
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
21

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 1.9
12
Embodied Energy, MJ/kg 27
180
Embodied Water, L/kg 100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
21
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
4260
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 32
38
Strength to Weight: Bending, points 22 to 27
29
Thermal Diffusivity, mm2/s 8.1
39
Thermal Shock Resistance, points 23 to 32
41

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Carbon (C), % 0.36 to 0.42
0
Chromium (Cr), % 12.5 to 14.5
0 to 0.090
Copper (Cu), % 0
94.6 to 96.7
Iron (Fe), % 83 to 87.1
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0
1.0 to 1.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5