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AWS E309LMo vs. EN 1.4024 Stainless Steel

Both AWS E309LMo and EN 1.4024 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 25 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 E309LMo and the bottom bar is EN 1.4024 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
15 to 22
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 580
590 to 750

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.2
1.9
Embodied Energy, MJ/kg 59
27
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 32
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21 to 27
Strength to Weight: Bending, points 20
20 to 24
Thermal Diffusivity, mm2/s 3.9
8.1
Thermal Shock Resistance, points 15
21 to 26

Alloy Composition

Carbon (C), % 0 to 0.040
0.12 to 0.17
Chromium (Cr), % 22 to 25
12 to 14
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.6 to 63.5
83.8 to 87.9
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 12 to 14
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 0.015