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EN 1.4945 Stainless Steel vs. C18200 Copper

EN 1.4945 stainless steel belongs to the iron alloys classification, while C18200 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 1.4945 stainless steel and the bottom bar is C18200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 19 to 34
11 to 40
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
44
Shear Strength, MPa 430 to 460
210 to 320
Tensile Strength: Ultimate (UTS), MPa 640 to 740
310 to 530
Tensile Strength: Yield (Proof), MPa 290 to 550
97 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 920
200
Melting Completion (Liquidus), °C 1490
1080
Melting Onset (Solidus), °C 1440
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
320
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
80
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
81

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 73
41
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
43 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
40 to 860
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22 to 25
9.6 to 16
Strength to Weight: Bending, points 20 to 22
11 to 16
Thermal Diffusivity, mm2/s 3.7
93
Thermal Shock Resistance, points 14 to 16
11 to 18

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15.5 to 17.5
0.6 to 1.2
Copper (Cu), % 0
98.6 to 99.4
Iron (Fe), % 57.9 to 65.7
0 to 0.1
Lead (Pb), % 0
0 to 0.050
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 to 0.1
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.5 to 3.5
0