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EN 1.1221 Steel vs. Grade CU5MCuC Nickel

EN 1.1221 steel belongs to the iron alloys classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 21
22
Fatigue Strength, MPa 240 to 340
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 730 to 870
580
Tensile Strength: Yield (Proof), MPa 390 to 550
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
45
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5
7.7
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 47
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
20
Strength to Weight: Bending, points 23 to 26
19
Thermal Shock Resistance, points 23 to 28
16

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.050
Chromium (Cr), % 0 to 0.4
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 97.1 to 98.8
22.2 to 37.9
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
2.5 to 3.5
Nickel (Ni), % 0 to 0.4
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030