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EN 1.4596 Stainless Steel vs. Nickel 684

EN 1.4596 stainless steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4596 stainless steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 1600
1190

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 790
1000
Melting Completion (Liquidus), °C 1450
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
75
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.5
10
Embodied Energy, MJ/kg 48
140
Embodied Water, L/kg 130
360

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 36 to 56
40
Strength to Weight: Bending, points 29 to 39
30
Thermal Shock Resistance, points 35 to 54
34

Alloy Composition

Aluminum (Al), % 0.8 to 1.1
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.015
0 to 0.15
Chromium (Cr), % 11.5 to 12.5
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 73.4 to 76.4
0 to 4.0
Manganese (Mn), % 0 to 0.1
0 to 0.75
Molybdenum (Mo), % 1.9 to 2.2
3.0 to 5.0
Nickel (Ni), % 9.2 to 10.2
42.7 to 64
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.010
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0.28 to 0.4
2.5 to 3.3