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EN 1.4109 Stainless Steel vs. CR018A Copper

EN 1.4109 stainless steel belongs to the iron alloys classification, while CR018A copper belongs to the copper alloys. There are 28 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 1.4109 stainless steel and the bottom bar is CR018A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 19
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 770
220
Tensile Strength: Yield (Proof), MPa 420
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 820
200
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 30
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
33
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.2
2.7
Embodied Energy, MJ/kg 30
42
Embodied Water, L/kg 110
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
29
Resilience: Unit (Modulus of Resilience), kJ/m3 460
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
6.8
Strength to Weight: Bending, points 24
9.0
Thermal Diffusivity, mm2/s 8.1
110
Thermal Shock Resistance, points 28
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
99.914 to 99.94
Iron (Fe), % 80.7 to 85
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.4 to 0.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.015
0