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AWS E209 vs. AWS ER90S-B9

Both AWS E209 and AWS ER90S-B9 are iron alloys. They have 70% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E209 and the bottom bar is AWS ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 770
690

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.6
Embodied Energy, MJ/kg 63
37
Embodied Water, L/kg 180
91

Common Calculations

PREN (Pitting Resistance) 33
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 19
19

Alloy Composition


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Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.060
0.070 to 0.13
Chromium (Cr), % 20.5 to 24
8.0 to 10.5
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 51.5 to 64.3
84.4 to 90.7
Manganese (Mn), % 4.0 to 7.0
0 to 1.2
Molybdenum (Mo), % 1.5 to 3.0
0.85 to 1.2
Nickel (Ni), % 9.5 to 12
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0.1 to 0.3
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0.15 to 0.3
Residuals, % 0
0 to 0.5