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EN 1.4439 Stainless Steel vs. Nickel 908

EN 1.4439 stainless steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 59% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4439 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, % 40
11
Fatigue Strength, MPa 270
450
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 79
70
Shear Strength, MPa 470
800
Tensile Strength: Ultimate (UTS), MPa 680
1340
Tensile Strength: Yield (Proof), MPa 310
930

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 980
920
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
11
Thermal Expansion, µm/m-K 16
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
50
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 4.5
9.3
Embodied Energy, MJ/kg 61
140
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 35
4.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140
Resilience: Unit (Modulus of Resilience), kJ/m3 240
2340
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
45
Strength to Weight: Bending, points 22
33
Thermal Diffusivity, mm2/s 3.8
2.9
Thermal Shock Resistance, points 15
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 58.7 to 66.9
35.6 to 44.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 12.5 to 14.5
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8