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AWS E385 vs. AWS E90C-K3

Both AWS E385 and AWS E90C-K3 are iron alloys. Both are furnished in the as-welded condition. They have 50% of their average alloy composition in common. There are 24 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 E385 and the bottom bar is AWS E90C-K3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
55
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 580
710

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
48
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.7
Embodied Energy, MJ/kg 79
23
Embodied Water, L/kg 200
53

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.6
13
Thermal Shock Resistance, points 15
21

Alloy Composition


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Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 19.5 to 21.5
0 to 0.15
Copper (Cu), % 1.2 to 2.0
0 to 0.35
Iron (Fe), % 41.8 to 50.1
92.6 to 98.5
Manganese (Mn), % 1.0 to 2.5
0.75 to 2.3
Molybdenum (Mo), % 4.2 to 5.2
0.25 to 0.65
Nickel (Ni), % 24 to 26
0.5 to 2.5
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.9
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5