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Nickel 617 vs. EN 1.4740 Stainless Steel

Nickel 617 belongs to the nickel alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is nickel 617 and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
22
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 13
18
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 8.5
7.6
Embodied Carbon, kg CO2/kg material 10
2.3
Embodied Energy, MJ/kg 140
32
Embodied Water, L/kg 350
120

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.5
4.8

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0.3 to 0.5
Chromium (Cr), % 20 to 24
16 to 19
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
75.4 to 82.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 44.5 to 62
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030