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AWS E309Mo vs. EN 1.4319 Stainless Steel

Both AWS E309Mo and EN 1.4319 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E309Mo and the bottom bar is EN 1.4319 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
51
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 620
640

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 22
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 32
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.070
Chromium (Cr), % 22 to 25
16 to 18
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.6 to 63.5
70.8 to 78
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 12 to 14
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
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 0.030