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EN 1.4374 Stainless Steel vs. C12900 Copper

EN 1.4374 stainless steel belongs to the iron alloys classification, while C12900 copper belongs to the copper alloys. There are 29 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 1.4374 stainless steel and the bottom bar is C12900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
2.8 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 550
150 to 210
Tensile Strength: Ultimate (UTS), MPa 800
220 to 420
Tensile Strength: Yield (Proof), MPa 400
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 920
200
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1360
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
98

Otherwise Unclassified Properties

Base Metal Price, % relative 14
32
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 42
41
Embodied Water, L/kg 150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 400
24 to 640
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29
6.8 to 13
Strength to Weight: Bending, points 25
9.1 to 14
Thermal Diffusivity, mm2/s 4.0
110
Thermal Shock Resistance, points 17
7.8 to 15

Alloy Composition

Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Carbon (C), % 0.050 to 0.1
0
Chromium (Cr), % 17.5 to 18.5
0
Copper (Cu), % 0 to 0.4
99.88 to 100
Iron (Fe), % 63.5 to 67.9
0
Lead (Pb), % 0
0 to 0.0040
Manganese (Mn), % 9.0 to 10
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 5.0 to 6.0
0 to 0.050
Nitrogen (N), % 0.25 to 0.32
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.3 to 0.6
0
Silver (Ag), % 0
0 to 0.054
Sulfur (S), % 0 to 0.030
0
Tellurium (Te), % 0
0 to 0.025