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AWS E309Mo vs. EN 1.4123 Stainless Steel

Both AWS E309Mo and EN 1.4123 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E309Mo and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 620
720 to 810

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
480
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 22
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.2
4.2
Embodied Energy, MJ/kg 59
62
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 32
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
26 to 29
Strength to Weight: Bending, points 20
23 to 25
Thermal Diffusivity, mm2/s 3.9
6.3
Thermal Shock Resistance, points 15
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.12
0.35 to 0.5
Chromium (Cr), % 22 to 25
14 to 16.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.6 to 63.5
76.7 to 84.6
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
1.0 to 2.5
Nickel (Ni), % 12 to 14
0 to 0.5
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
Vanadium (V), % 0
0 to 1.5