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EN 1.4618 Stainless Steel vs. CR007A Copper

EN 1.4618 stainless steel belongs to the iron alloys classification, while CR007A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4618 stainless steel and the bottom bar is CR007A 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 680 to 700
230
Tensile Strength: Yield (Proof), MPa 250 to 260
140

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 900
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1360
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
380
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 13
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 39
41
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
31
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24 to 25
7.1
Strength to Weight: Bending, points 22 to 23
9.3
Thermal Diffusivity, mm2/s 4.0
110
Thermal Shock Resistance, points 15 to 16
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 1.0 to 2.5
99.994 to 100
Iron (Fe), % 62.7 to 72.5
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 5.5 to 9.5
0
Nickel (Ni), % 4.5 to 5.5
0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.010
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020