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EN 1.4945 Stainless Steel vs. C15100 Copper

EN 1.4945 stainless steel belongs to the iron alloys classification, while C15100 copper belongs to the copper alloys. There are 29 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 1.4945 stainless steel and the bottom bar is C15100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 19 to 34
2.0 to 36
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 430 to 460
170 to 270
Tensile Strength: Ultimate (UTS), MPa 640 to 740
260 to 470
Tensile Strength: Yield (Proof), MPa 290 to 550
69 to 460

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 920
200
Melting Completion (Liquidus), °C 1490
1100
Melting Onset (Solidus), °C 1440
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
360
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
95
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
95

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.1
9.0
Embodied Carbon, kg CO2/kg material 5.0
2.7
Embodied Energy, MJ/kg 73
43
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
9.3 to 71
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
21 to 890
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22 to 25
8.1 to 15
Strength to Weight: Bending, points 20 to 22
10 to 15
Thermal Diffusivity, mm2/s 3.7
100
Thermal Shock Resistance, points 14 to 16
9.3 to 17

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
99.8 to 99.95
Iron (Fe), % 57.9 to 65.7
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.5 to 3.5
0
Zirconium (Zr), % 0
0.050 to 0.15
Residuals, % 0
0 to 0.1