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EN 1.4508 Stainless Steel vs. AWS ENiCrMo-3

EN 1.4508 stainless steel belongs to the iron alloys classification, while AWS ENiCrMo-3 belongs to the nickel alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4508 stainless steel and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 570
870

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
80
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 4.0
14
Embodied Energy, MJ/kg 55
190
Embodied Water, L/kg 160
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
28
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 4.1
2.8
Thermal Shock Resistance, points 17
25

Alloy Composition


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Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 20
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.2 to 69.9
0 to 7.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
8.0 to 10
Nickel (Ni), % 9.0 to 12
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Residuals, % 0
0 to 0.5