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EN 1.4903 Stainless Steel vs. C18200 Copper

EN 1.4903 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 1.4903 stainless steel and the bottom bar is C18200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20 to 21
11 to 40
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
44
Shear Strength, MPa 420
210 to 320
Tensile Strength: Ultimate (UTS), MPa 670 to 680
310 to 530
Tensile Strength: Yield (Proof), MPa 500
97 to 450

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 650
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 26
320
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
80
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
81

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 36
41
Embodied Water, L/kg 88
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
43 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 650
40 to 860
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24
9.6 to 16
Strength to Weight: Bending, points 22
11 to 16
Thermal Diffusivity, mm2/s 7.0
93
Thermal Shock Resistance, points 23
11 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0.6 to 1.2
Copper (Cu), % 0 to 0.3
98.6 to 99.4
Iron (Fe), % 87.1 to 90.5
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Vanadium (V), % 0.18 to 0.25
0