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AISI 444 Stainless Steel vs. EN 2.4879 Cast Nickel

AISI 444 stainless steel belongs to the iron alloys classification, while EN 2.4879 cast nickel belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 444 stainless steel and the bottom bar is EN 2.4879 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
3.4
Fatigue Strength, MPa 210
110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 470
490
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 930
1150
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 23
11
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
55
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.4
8.3
Embodied Energy, MJ/kg 47
120
Embodied Water, L/kg 130
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
14
Resilience: Unit (Modulus of Resilience), kJ/m3 240
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 6.2
2.8
Thermal Shock Resistance, points 16
13

Alloy Composition

Carbon (C), % 0 to 0.025
0.35 to 0.55
Chromium (Cr), % 17.5 to 19.5
27 to 30
Iron (Fe), % 73.3 to 80.8
9.4 to 20.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.8 to 2.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
47 to 50
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 0.8
0
Tungsten (W), % 0
4.0 to 6.0