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C18100 Copper vs. EN 1.3956 Stainless Steel

C18100 copper belongs to the copper alloys classification, while EN 1.3956 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C18100 copper and the bottom bar is EN 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
27
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
79
Tensile Strength: Ultimate (UTS), MPa 510
650
Tensile Strength: Yield (Proof), MPa 460
330

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1080
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1020
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 43
68
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
150
Resilience: Unit (Modulus of Resilience), kJ/m3 900
270
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 18
18

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0.4 to 1.2
20.5 to 23.5
Copper (Cu), % 98.7 to 99.49
0
Iron (Fe), % 0
51.9 to 62.1
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0