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SAE-AISI 1140 Steel vs. AWS ERNiCrFe-5

SAE-AISI 1140 steel belongs to the iron alloys classification, while AWS ERNiCrFe-5 belongs to the nickel 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 SAE-AISI 1140 steel and the bottom bar is AWS ERNiCrFe-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 18
34
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 600 to 700
630

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 51
14
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
65
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
11
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
250

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 25
20
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 14
3.6
Thermal Shock Resistance, points 18 to 21
19

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.080
Chromium (Cr), % 0
14 to 17
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98.4 to 98.9
6.0 to 10
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Nickel (Ni), % 0
70 to 78.5
Niobium (Nb), % 0
1.5 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0.080 to 0.13
0 to 0.015
Residuals, % 0
0 to 0.5