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AWS ER90S-B3 vs. AWS E2209

Both AWS ER90S-B3 and AWS E2209 are iron alloys. They have 68% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is AWS E2209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 690
770

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.0
Embodied Energy, MJ/kg 24
55
Embodied Water, L/kg 60
170

Common Calculations

PREN (Pitting Resistance) 6.0
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 20
20

Alloy Composition


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Carbon (C), % 0.070 to 0.12
0 to 0.040
Chromium (Cr), % 2.3 to 2.7
21.5 to 23.5
Copper (Cu), % 0 to 0.35
0 to 0.75
Iron (Fe), % 93.5 to 95.9
58.4 to 66.9
Manganese (Mn), % 0.4 to 0.7
0.5 to 2.0
Molybdenum (Mo), % 0.9 to 1.2
2.5 to 3.5
Nickel (Ni), % 0 to 0.2
8.5 to 10.5
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.4 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0