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SAE-AISI 1021 Steel vs. AWS ENiCrMo-4

SAE-AISI 1021 steel belongs to the iron alloys classification, while AWS ENiCrMo-4 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1021 steel and the bottom bar is AWS ENiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 17 to 27
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 480 to 530
790

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1590
Melting Onset (Solidus), °C 1420
1530
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
70
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.4
13
Embodied Energy, MJ/kg 18
170
Embodied Water, L/kg 46
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 17 to 19
24
Strength to Weight: Bending, points 17 to 18
21
Thermal Shock Resistance, points 15 to 17
22

Alloy Composition

Carbon (C), % 0.18 to 0.23
0 to 0.020
Chromium (Cr), % 0
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98.8 to 99.22
4.0 to 7.0
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
49.9 to 63.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0 to 0.050
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5