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EN 1.4901 Stainless Steel vs. CR009A Copper

EN 1.4901 stainless steel belongs to the iron alloys classification, while CR009A 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 1.4901 stainless steel and the bottom bar is CR009A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 19
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 740
230
Tensile Strength: Yield (Proof), MPa 490
140

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 650
200
Melting Completion (Liquidus), °C 1490
1090
Melting Onset (Solidus), °C 1450
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 26
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 40
41
Embodied Water, L/kg 89
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
31
Resilience: Unit (Modulus of Resilience), kJ/m3 620
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26
7.1
Strength to Weight: Bending, points 23
9.3
Thermal Diffusivity, mm2/s 6.9
110
Thermal Shock Resistance, points 23
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Boron (B), % 0.0010 to 0.0060
0
Cadmium (Cd), % 0
0 to 0.00010
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.5 to 9.5
0
Copper (Cu), % 0
99.99 to 100
Iron (Fe), % 85.8 to 89.1
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0.3 to 0.6
0 to 0.00050
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0 to 0.0010
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.0030
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.5
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
Tin (Sn), % 0
0 to 0.00020
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 0.00010
Zirconium (Zr), % 0 to 0.010
0