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EN 1.4938 Stainless Steel vs. Grade CU5MCuC Nickel

EN 1.4938 stainless steel belongs to the iron alloys classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have 47% 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 1.4938 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, % 16 to 17
22
Fatigue Strength, MPa 390 to 520
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
580
Tensile Strength: Yield (Proof), MPa 640 to 870
270

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 750
980
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
45
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.3
7.7
Embodied Energy, MJ/kg 47
110
Embodied Water, L/kg 110
230

Common Calculations

PREN (Pitting Resistance) 18
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 37
20
Strength to Weight: Bending, points 26 to 29
19
Thermal Shock Resistance, points 30 to 35
16

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.050
Chromium (Cr), % 11 to 12.5
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 80.5 to 84.8
22.2 to 37.9
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
2.5 to 3.5
Nickel (Ni), % 2.0 to 3.0
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0