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EN 1.4446 Stainless Steel vs. C12000 Copper

EN 1.4446 stainless steel belongs to the iron alloys classification, while C12000 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4446 stainless steel and the bottom bar is C12000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23
2.8 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 490
230 to 410
Tensile Strength: Yield (Proof), MPa 240
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 980
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1410
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
390
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
98

Otherwise Unclassified Properties

Base Metal Price, % relative 22
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 4.5
2.6
Embodied Energy, MJ/kg 60
41
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
10 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 140
25 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 17
7.2 to 13
Strength to Weight: Bending, points 17
9.4 to 14
Thermal Diffusivity, mm2/s 3.6
110
Thermal Shock Resistance, points 11
8.2 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
99.9 to 99.996
Iron (Fe), % 59.7 to 66.9
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 12.5 to 14.5
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.040
0.0040 to 0.012
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0