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AWS ERNiCrFe-6 vs. EN 1.4938 Stainless Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while EN 1.4938 stainless steel belongs to the iron alloys. 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 AWS ERNiCrFe-6 and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
16 to 17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 630
870 to 1030

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
10
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.8
3.3
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 260
110

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 21
31 to 37
Strength to Weight: Bending, points 19
26 to 29
Thermal Diffusivity, mm2/s 3.3
8.1
Thermal Shock Resistance, points 19
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.080
0.080 to 0.15
Chromium (Cr), % 14 to 17
11 to 12.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 8.0
80.5 to 84.8
Manganese (Mn), % 2.0 to 2.7
0.4 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 67 to 81.5
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.5 to 3.5
0
Vanadium (V), % 0
0.25 to 0.4
Residuals, % 0 to 0.5
0