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EN 1.4530 Stainless Steel vs. Nickel 686

EN 1.4530 stainless steel belongs to the iron alloys classification, while nickel 686 belongs to the nickel alloys. They have a modest 26% 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 (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4530 stainless steel and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
780

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 790
980
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
70
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 3.4
12
Embodied Energy, MJ/kg 46
170
Embodied Water, L/kg 130
300

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 36 to 48
24
Strength to Weight: Bending, points 29 to 35
21
Thermal Shock Resistance, points 35 to 47
21

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0 to 0.010
Chromium (Cr), % 11.5 to 12.5
19 to 23
Iron (Fe), % 74.4 to 77.3
0 to 5.0
Manganese (Mn), % 0 to 0.1
0 to 0.75
Molybdenum (Mo), % 1.9 to 2.2
15 to 17
Nickel (Ni), % 8.5 to 9.5
49.5 to 63
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.080
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0.28 to 0.37
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4