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AWS ERNiCrFe-6 vs. EN 1.7729 Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while EN 1.7729 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
17
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 630
910

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1370
1470
Melting Onset (Solidus), °C 1320
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 55
3.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.8
3.3
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 260
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 19
27

Alloy Composition


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Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 14 to 17
0.9 to 1.2
Copper (Cu), % 0 to 0.5
0 to 0.2
Iron (Fe), % 0 to 8.0
94.8 to 97
Manganese (Mn), % 2.0 to 2.7
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 67 to 81.5
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 2.5 to 3.5
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8
Residuals, % 0 to 0.5
0