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EN 1.4988 Stainless Steel vs. C55180 Copper

EN 1.4988 stainless steel belongs to the iron alloys classification, while C55180 copper belongs to the copper alloys. There are 26 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 1.4988 stainless steel and the bottom bar is C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 640
200
Tensile Strength: Yield (Proof), MPa 290
100

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 920
200
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1400
710
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 15
200
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 6.0
2.5
Embodied Energy, MJ/kg 89
39
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
34
Resilience: Unit (Modulus of Resilience), kJ/m3 210
48
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 23
6.4
Strength to Weight: Bending, points 21
8.8
Thermal Diffusivity, mm2/s 4.0
56
Thermal Shock Resistance, points 14
7.9

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
94.7 to 95.2
Iron (Fe), % 62.1 to 69.5
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 1.1 to 1.5
0
Nickel (Ni), % 12.5 to 14.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
4.8 to 5.2
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.015
0
Vanadium (V), % 0.6 to 0.85
0
Residuals, % 0
0 to 0.15