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EN 1.4568 Stainless Steel vs. AWS E309LMo

Both EN 1.4568 stainless steel and AWS E309LMo 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4568 stainless steel and the bottom bar is AWS E309LMo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.3 to 21
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
580

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.2
Embodied Energy, MJ/kg 40
59
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 17
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30 to 58
21
Strength to Weight: Bending, points 25 to 40
20
Thermal Diffusivity, mm2/s 4.3
3.9
Thermal Shock Resistance, points 23 to 46
15

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.040
Chromium (Cr), % 16 to 18
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 70.9 to 76.8
53.6 to 63.5
Manganese (Mn), % 0 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 6.5 to 7.8
12 to 14
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030