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AWS ERNiCrMo-2 vs. EN 1.4438 Stainless Steel

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while EN 1.4438 stainless steel belongs to the iron alloys. They have 56% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 750
620

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
22
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.2
4.4
Embodied Energy, MJ/kg 120
60
Embodied Water, L/kg 270
160

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 2.9
3.7
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 20.5 to 23
17.5 to 19.5
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 17 to 20
57.3 to 66.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
3.0 to 4.0
Nickel (Ni), % 40.3 to 53.8
13 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0 to 0.5
0