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EN 1.4640 Stainless Steel vs. CR011A Copper

EN 1.4640 stainless steel belongs to the iron alloys classification, while CR011A 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 1.4640 stainless steel and the bottom bar is CR011A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 620 to 650
220
Tensile Strength: Yield (Proof), MPa 240 to 260
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 930
200
Melting Completion (Liquidus), °C 1420
1090
Melting Onset (Solidus), °C 1380
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
390
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
100

Otherwise Unclassified Properties

Base Metal Price, % relative 14
32
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 40
42
Embodied Water, L/kg 150
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
29
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22 to 23
6.8
Strength to Weight: Bending, points 21
9.0
Thermal Diffusivity, mm2/s 4.0
110
Thermal Shock Resistance, points 14 to 15
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
99.88 to 99.97
Iron (Fe), % 67.4 to 73.6
0
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.015
0