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AWS ERNiCrFe-5 vs. SAE-AISI A9 Steel

AWS ERNiCrFe-5 belongs to the nickel alloys classification, while SAE-AISI A9 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-5 and the bottom bar is SAE-AISI A9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
74
Tensile Strength: Ultimate (UTS), MPa 630
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 14
35
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 65
7.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
4.7
Embodied Energy, MJ/kg 150
70
Embodied Water, L/kg 250
82

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
28 to 73
Strength to Weight: Bending, points 19
24 to 46
Thermal Diffusivity, mm2/s 3.6
9.6
Thermal Shock Resistance, points 19
25 to 66

Alloy Composition

Carbon (C), % 0 to 0.080
0.45 to 0.55
Chromium (Cr), % 14 to 17
4.8 to 5.5
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 6.0 to 10
87 to 90.5
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 70 to 78.5
1.3 to 1.8
Niobium (Nb), % 1.5 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.35
1.0 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4
Residuals, % 0 to 0.5
0