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EN 1.4418 Stainless Steel vs. Nickel 908

EN 1.4418 stainless steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 50% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 16 to 20
11
Fatigue Strength, MPa 350 to 480
450
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
70
Shear Strength, MPa 530 to 620
800
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
1340
Tensile Strength: Yield (Proof), MPa 540 to 790
930

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Mechanical, °C 870
920
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 10
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.8
9.3
Embodied Energy, MJ/kg 39
140
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 20
4.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
2340
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 36
45
Strength to Weight: Bending, points 26 to 28
33
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 31 to 36
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 73.2 to 80.2
35.6 to 44.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8