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AWS E2593 vs. AWS E309LMo

Both AWS E2593 and AWS E309LMo are iron alloys. Both are furnished in the as-welded condition. They have a very high 95% 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 E2593 and the bottom bar is AWS E309LMo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 850
580

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 22
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.2
4.2
Embodied Energy, MJ/kg 59
59
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 39
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.3
3.9
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.040
Chromium (Cr), % 24 to 27
22 to 25
Copper (Cu), % 1.5 to 3.0
0 to 0.75
Iron (Fe), % 52.7 to 62.5
53.6 to 63.5
Manganese (Mn), % 0.5 to 1.5
0.5 to 2.5
Molybdenum (Mo), % 2.9 to 3.9
2.0 to 3.0
Nickel (Ni), % 8.5 to 10.5
12 to 14
Nitrogen (N), % 0.080 to 0.25
0
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