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EN 1.4762 Stainless Steel vs. Grade CW6MC Nickel

EN 1.4762 stainless steel belongs to the iron alloys classification, while grade CW6MC nickel belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4762 stainless steel and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13
28
Fatigue Strength, MPa 180
210
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 620
540
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1150
980
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 490
440
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
80
Density, g/cm3 7.6
8.6
Embodied Carbon, kg CO2/kg material 2.5
14
Embodied Energy, MJ/kg 37
200
Embodied Water, L/kg 170
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 4.6
2.8
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 1.2 to 1.7
0
Carbon (C), % 0 to 0.12
0 to 0.060
Chromium (Cr), % 23 to 26
20 to 23
Iron (Fe), % 69.7 to 75.1
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0.7 to 1.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030