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EN 1.4818 Stainless Steel vs. Nickel 80A

EN 1.4818 stainless steel belongs to the iron alloys classification, while nickel 80A belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4818 stainless steel and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
22
Fatigue Strength, MPa 280
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 480
660
Tensile Strength: Ultimate (UTS), MPa 700
1040
Tensile Strength: Yield (Proof), MPa 330
710

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1050
980
Melting Completion (Liquidus), °C 1410
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
55
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.1
9.8
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
210
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
35
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 4.5
2.9
Thermal Shock Resistance, points 15
31

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.8
Carbon (C), % 0.040 to 0.080
0 to 0.1
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
18 to 21
Iron (Fe), % 65.6 to 71.8
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 9.0 to 11
69.4 to 79.7
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7