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AWS E309LMo vs. S13800 Stainless Steel

Both AWS E309LMo and S13800 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E309LMo and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
11 to 18
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 580
980 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 59
46
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 32
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
35 to 61
Strength to Weight: Bending, points 20
28 to 41
Thermal Diffusivity, mm2/s 3.9
4.3
Thermal Shock Resistance, points 15
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0 to 0.040
0 to 0.050
Chromium (Cr), % 22 to 25
12.3 to 13.2
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.6 to 63.5
73.6 to 77.3
Manganese (Mn), % 0.5 to 2.5
0 to 0.2
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 12 to 14
7.5 to 8.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0080