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EN 1.4451 Stainless Steel vs. AWS ERNiCrFe-11

EN 1.4451 stainless steel belongs to the iron alloys classification, while AWS ERNiCrFe-11 belongs to the nickel alloys. They have 44% of their average alloy composition in common. 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 1.4451 stainless steel and the bottom bar is AWS ERNiCrFe-11.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
47
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 750
740

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
49
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.8
8.0
Embodied Energy, MJ/kg 53
110
Embodied Water, L/kg 190
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.5
2.9
Thermal Shock Resistance, points 16
20

Alloy Composition


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Aluminum (Al), % 0
1.0 to 1.7
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 25 to 27
21 to 25
Copper (Cu), % 2.8 to 3.5
0 to 1.0
Iron (Fe), % 56.2 to 64.6
7.2 to 20
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
58 to 63
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Residuals, % 0
0 to 0.5