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EN 1.4869 Casting Alloy vs. AISI 440B Stainless Steel

EN 1.4869 casting alloy belongs to the nickel alloys classification, while AISI 440B stainless steel belongs to the iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4869 casting alloy and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
3.0 to 18
Fatigue Strength, MPa 130
260 to 850
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 540
740 to 1930
Tensile Strength: Yield (Proof), MPa 310
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1200
870
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 10
23
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.0
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 7.7
2.2
Embodied Energy, MJ/kg 110
31
Embodied Water, L/kg 300
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
57 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
27 to 70
Strength to Weight: Bending, points 17
24 to 45
Thermal Diffusivity, mm2/s 2.6
6.1
Thermal Shock Resistance, points 14
27 to 70

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.75 to 1.0
Chromium (Cr), % 24 to 26
16 to 18
Cobalt (Co), % 14 to 16
0
Iron (Fe), % 11.4 to 23.6
78.2 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 33 to 37
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 4.0 to 6.0
0