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EN 1.4749 Stainless Steel vs. C12600 Copper

EN 1.4749 stainless steel belongs to the iron alloys classification, while C12600 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4749 stainless steel and the bottom bar is C12600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 16
56
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
56
Shear Strength, MPa 370
190
Tensile Strength: Ultimate (UTS), MPa 600
270
Tensile Strength: Yield (Proof), MPa 320
69

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1380
1030
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 17
130
Thermal Expansion, µm/m-K 9.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
29

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.6
8.9
Embodied Carbon, kg CO2/kg material 2.5
2.6
Embodied Energy, MJ/kg 36
41
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
21
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 26
18
Strength to Weight: Axial, points 22
8.2
Strength to Weight: Bending, points 21
10
Thermal Diffusivity, mm2/s 4.6
39
Thermal Shock Resistance, points 22
9.5

Alloy Composition

Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
99.5 to 99.8
Iron (Fe), % 68.5 to 73.7
0
Manganese (Mn), % 0 to 1.0
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0.2 to 0.4
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0