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EN 1.6958 Steel vs. C70260 Copper

EN 1.6958 steel belongs to the iron alloys classification, while C70260 copper belongs to the copper alloys. There are 29 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 1.6958 steel and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 16
9.5 to 19
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
44
Shear Strength, MPa 700
320 to 450
Tensile Strength: Ultimate (UTS), MPa 1140
520 to 760
Tensile Strength: Yield (Proof), MPa 1070
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 450
200
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 47
160
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
31
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 27
43
Embodied Water, L/kg 60
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
710 to 1810
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 40
16 to 24
Strength to Weight: Bending, points 31
16 to 21
Thermal Diffusivity, mm2/s 13
45
Thermal Shock Resistance, points 39
18 to 27

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0
Chromium (Cr), % 1.2 to 1.7
0
Copper (Cu), % 0
95.8 to 98.8
Iron (Fe), % 92.6 to 94.5
0
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 0.35 to 0.55
0
Nickel (Ni), % 3.3 to 3.8
1.0 to 3.0
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0.15 to 0.3
0.2 to 0.7
Sulfur (S), % 0 to 0.015
0
Vanadium (V), % 0 to 0.12
0
Residuals, % 0
0 to 0.5