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C15900 Copper vs. EN 1.4958 Stainless Steel

C15900 copper belongs to the copper alloys classification, while EN 1.4958 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C15900 copper and the bottom bar is EN 1.4958 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.5
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Shear Strength, MPa 420
430
Tensile Strength: Ultimate (UTS), MPa 720
630
Tensile Strength: Yield (Proof), MPa 240
190

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1090
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1030
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 280
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 49
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.3
Embodied Energy, MJ/kg 45
75
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
95
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 80
3.2
Thermal Shock Resistance, points 26
15

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
0.2 to 0.5
Carbon (C), % 0.27 to 0.33
0.030 to 0.080
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 97.5 to 97.9
0 to 0.5
Iron (Fe), % 0 to 0.040
41.1 to 50.6
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0.4 to 0.54
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0.66 to 0.74
0.2 to 0.5