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EN 1.4945 Stainless Steel vs. CR014A Copper

EN 1.4945 stainless steel belongs to the iron alloys classification, while CR014A 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 1.4945 stainless steel and the bottom bar is CR014A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 19 to 34
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 640 to 740
230
Tensile Strength: Yield (Proof), MPa 290 to 550
140

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 920
200
Melting Completion (Liquidus), °C 1490
1090
Melting Onset (Solidus), °C 1440
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
98
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
99

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.1
9.0
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 73
42
Embodied Water, L/kg 150
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
31
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22 to 25
7.1
Strength to Weight: Bending, points 20 to 22
9.3
Thermal Diffusivity, mm2/s 3.7
110
Thermal Shock Resistance, points 14 to 16
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
99.913 to 99.969
Iron (Fe), % 57.9 to 65.7
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0.0010 to 0.0070
Silicon (Si), % 0.3 to 0.6
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.5 to 3.5
0