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AWS E309Mo vs. EN 1.4150 Stainless Steel

Both AWS E309Mo and EN 1.4150 stainless steel are iron alloys. They have 76% 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 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 620
730

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
490
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
8.5
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 59
42
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 32
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.9
6.2
Thermal Shock Resistance, points 15
27

Alloy Composition

Carbon (C), % 0 to 0.12
0.45 to 0.6
Chromium (Cr), % 22 to 25
15 to 16.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.6 to 63.5
79 to 82.8
Manganese (Mn), % 0.5 to 2.5
0 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.4
Nickel (Ni), % 12 to 14
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4