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EN 1.4109 Stainless Steel vs. CR025A Copper

EN 1.4109 stainless steel belongs to the iron alloys classification, while CR025A 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 CR025A 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
230
Tensile Strength: Yield (Proof), MPa 420
140

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
370
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
99
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
99

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.2
2.6
Embodied Energy, MJ/kg 30
41
Embodied Water, L/kg 110
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
31
Resilience: Unit (Modulus of Resilience), kJ/m3 460
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
7.1
Strength to Weight: Bending, points 24
9.3
Thermal Diffusivity, mm2/s 8.1
110
Thermal Shock Resistance, points 28
8.1

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
99.9 to 99.96
Iron (Fe), % 80.7 to 85
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.4 to 0.8
0
Phosphorus (P), % 0 to 0.040
0.040 to 0.060
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0