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EN 1.4031 Stainless Steel vs. EN 1.4869 Casting Alloy

EN 1.4031 stainless steel belongs to the iron alloys classification, while EN 1.4869 casting alloy 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 27 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 1.4031 stainless steel and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 13
5.7
Fatigue Strength, MPa 220 to 400
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 670 to 900
540
Tensile Strength: Yield (Proof), MPa 390 to 730
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 770
1200
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 30
10
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
70
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 1.9
7.7
Embodied Energy, MJ/kg 27
110
Embodied Water, L/kg 100
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
26
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 32
18
Strength to Weight: Bending, points 22 to 27
17
Thermal Diffusivity, mm2/s 8.1
2.6
Thermal Shock Resistance, points 23 to 32
14

Alloy Composition

Carbon (C), % 0.36 to 0.42
0.45 to 0.55
Chromium (Cr), % 12.5 to 14.5
24 to 26
Cobalt (Co), % 0
14 to 16
Iron (Fe), % 83 to 87.1
11.4 to 23.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0
33 to 37
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 0.015
0 to 0.030
Tungsten (W), % 0
4.0 to 6.0