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AWS ERNiCrFe-5 vs. SAE-AISI A7 Steel

AWS ERNiCrFe-5 belongs to the nickel alloys classification, while SAE-AISI A7 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (4, 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 A7 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
72
Tensile Strength: Ultimate (UTS), MPa 630
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 14
37
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 65
10
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
13
Embodied Energy, MJ/kg 150
200
Embodied Water, L/kg 250
100

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
29 to 77
Strength to Weight: Bending, points 19
25 to 48
Thermal Diffusivity, mm2/s 3.6
10
Thermal Shock Resistance, points 19
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.080
2.0 to 2.9
Chromium (Cr), % 14 to 17
5.0 to 5.8
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 6.0 to 10
81.4 to 87.7
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 70 to 78.5
0 to 0.3
Niobium (Nb), % 1.5 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2
Residuals, % 0 to 0.5
0