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AWS ERNiFeCr-2 vs. R30556 Alloy

AWS ERNiFeCr-2 belongs to the nickel alloys classification, while R30556 alloy belongs to the iron alloys. They have 62% 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 AWS ERNiFeCr-2 and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 28
45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 1300
780

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 12
11
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
70
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 13
8.7
Embodied Energy, MJ/kg 190
130
Embodied Water, L/kg 250
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 43
26
Strength to Weight: Bending, points 32
22
Thermal Diffusivity, mm2/s 3.2
2.9
Thermal Shock Resistance, points 38
18

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0.1 to 0.5
Boron (B), % 0 to 0.0030
0 to 0.020
Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 17 to 21
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 11.6 to 24.6
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0 to 0.35
0.5 to 2.0
Molybdenum (Mo), % 2.8 to 3.3
2.5 to 4.0
Nickel (Ni), % 50 to 55
19 to 22.5
Niobium (Nb), % 4.8 to 5.5
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.35
0.2 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Titanium (Ti), % 0.65 to 1.2
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1
Residuals, % 0 to 0.5
0