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EN 1.4419 Stainless Steel vs. AWS E309Mo

Both EN 1.4419 stainless steel and AWS E309Mo are iron alloys. They have 74% 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 EN 1.4419 stainless steel and the bottom bar is AWS E309Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
4.2
Embodied Energy, MJ/kg 30
59
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 16
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 57
22
Strength to Weight: Bending, points 22 to 39
20
Thermal Diffusivity, mm2/s 8.1
3.9
Thermal Shock Resistance, points 23 to 55
15

Alloy Composition

Carbon (C), % 0.36 to 0.42
0 to 0.12
Chromium (Cr), % 13 to 14.5
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 82 to 86
53.6 to 63.5
Manganese (Mn), % 0 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 0.6 to 1.0
2.0 to 3.0
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030