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AWS E16-8-2 vs. SAE-AISI 8620 Steel

Both AWS E16-8-2 and SAE-AISI 8620 steel are iron alloys. They have 75% 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 E16-8-2 and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
13 to 31
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620
520 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 140
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
18 to 24
Strength to Weight: Bending, points 20
18 to 22
Thermal Diffusivity, mm2/s 4.2
10
Thermal Shock Resistance, points 16
15 to 20

Alloy Composition

Carbon (C), % 0 to 0.1
0.18 to 0.23
Chromium (Cr), % 14.5 to 16.5
0.4 to 0.6
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 68 to 76.5
96.9 to 98
Manganese (Mn), % 0.5 to 2.5
0.7 to 0.9
Molybdenum (Mo), % 1.0 to 2.0
0.15 to 0.25
Nickel (Ni), % 7.5 to 9.5
0.4 to 0.7
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040