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AWS E309Mo vs. EN 1.4872 Stainless Steel

Both AWS E309Mo and EN 1.4872 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E309Mo and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
28
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 620
950

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 22
17
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.2
3.3
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 32
30
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 22
35
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.12
0.2 to 0.3
Chromium (Cr), % 22 to 25
24 to 26
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.6 to 63.5
54.2 to 61.6
Manganese (Mn), % 0.5 to 2.5
8.0 to 10
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 12 to 14
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015