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EN 1.4558 Stainless Steel vs. CR020A Copper

EN 1.4558 stainless steel belongs to the iron alloys classification, while CR020A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4558 stainless steel and the bottom bar is CR020A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 510
220
Tensile Strength: Yield (Proof), MPa 200
130

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1350
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
380
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
100
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
100

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 5.5
2.6
Embodied Energy, MJ/kg 77
41
Embodied Water, L/kg 200
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
29
Resilience: Unit (Modulus of Resilience), kJ/m3 100
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18
6.8
Strength to Weight: Bending, points 18
9.0
Thermal Diffusivity, mm2/s 3.1
110
Thermal Shock Resistance, points 12
7.8

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 23
0
Copper (Cu), % 0
99.95 to 99.999
Iron (Fe), % 39.2 to 47.9
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 32 to 35
0
Phosphorus (P), % 0 to 0.020
0.0010 to 0.0060
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.6
0