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AWS E309L vs. AWS E219

Both AWS E309L and AWS E219 are iron alloys. Both are furnished in the as-welded condition. They have a moderately high 90% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS E309L and the bottom bar is AWS E219.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
17
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 580
690

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 52
44
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 25
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.060
Chromium (Cr), % 22 to 25
19 to 21.5
Copper (Cu), % 0 to 0.75
0 to 0.75
Iron (Fe), % 55.9 to 65.5
58.6 to 67.4
Manganese (Mn), % 0.5 to 2.5
8.0 to 10
Molybdenum (Mo), % 0 to 0.75
0 to 0.75
Nickel (Ni), % 12 to 14
5.5 to 7.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030