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AWS ERNiCrFe-6 vs. EN 1.4818 Stainless Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while EN 1.4818 stainless steel belongs to the iron alloys. They have a modest 30% 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 (9, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is EN 1.4818 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
40
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 630
700

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1370
1410
Melting Onset (Solidus), °C 1320
1370
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
16
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.8
3.1
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 260
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 3.3
4.5
Thermal Shock Resistance, points 19
15

Alloy Composition


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Carbon (C), % 0 to 0.080
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 14 to 17
18 to 20
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 8.0
65.6 to 71.8
Manganese (Mn), % 2.0 to 2.7
0 to 1.0
Nickel (Ni), % 67 to 81.5
9.0 to 11
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.35
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.5 to 3.5
0
Residuals, % 0 to 0.5
0