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EN 1.4958 Stainless Steel vs. Grade CU5MCuC Nickel

Both EN 1.4958 stainless steel and grade CU5MCuC nickel are metals with high concentrations of iron and nickel. This makes them relatively similar, despite formally belonging to different alloy families. They have 83% of their average alloy composition in common. There are 26 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 1.4958 stainless steel and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
22
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 630
580
Tensile Strength: Yield (Proof), MPa 190
270

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Mechanical, °C 1090
980
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
45
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 5.3
7.7
Embodied Energy, MJ/kg 75
110
Embodied Water, L/kg 200
230

Common Calculations

PREN (Pitting Resistance) 21
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 95
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 20
19
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0 to 0.050
Chromium (Cr), % 19 to 22
19.5 to 23.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
1.5 to 3.5
Iron (Fe), % 41.1 to 50.6
22.2 to 37.9
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 30 to 32.5
38 to 44
Niobium (Nb), % 0 to 0.1
0.6 to 1.2
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.2 to 0.5
0