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EN 1.3549 Stainless Steel vs. Grade CW6MC Nickel

EN 1.3549 stainless steel belongs to the iron alloys classification, while grade CW6MC nickel belongs to the nickel alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3549 stainless steel and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 730
540

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 910
980
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 21
11
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
80
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 2.6
14
Embodied Energy, MJ/kg 37
200
Embodied Water, L/kg 130
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 5.6
2.8
Thermal Shock Resistance, points 26
15

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.060
Chromium (Cr), % 17 to 19
20 to 23
Iron (Fe), % 77.5 to 82
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
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 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.070 to 0.12
0