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EN 1.4568 Stainless Steel vs. CR008A Copper

EN 1.4568 stainless steel belongs to the iron alloys classification, while CR008A 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 1.4568 stainless steel and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 2.3 to 21
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
220
Tensile Strength: Yield (Proof), MPa 330 to 1490
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 890
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 16
380
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 40
41
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
29
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 30 to 58
6.8
Strength to Weight: Bending, points 25 to 40
9.0
Thermal Diffusivity, mm2/s 4.3
110
Thermal Shock Resistance, points 23 to 46
7.8

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.090
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
99.95 to 100
Iron (Fe), % 70.9 to 76.8
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 6.5 to 7.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0