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AWS E2209 vs. S39274 Stainless Steel

Both AWS E2209 and S39274 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E2209 and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
17
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 770
900

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 14
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.0
4.3
Embodied Energy, MJ/kg 55
60
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 35
43
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
32
Strength to Weight: Bending, points 24
26
Thermal Diffusivity, mm2/s 4.3
4.2
Thermal Shock Resistance, points 20
25

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 21.5 to 23.5
24 to 26
Copper (Cu), % 0 to 0.75
0.2 to 0.8
Iron (Fe), % 58.4 to 66.9
57 to 65.6
Manganese (Mn), % 0.5 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
2.5 to 3.5
Nickel (Ni), % 8.5 to 10.5
6.0 to 8.0
Nitrogen (N), % 0.080 to 0.2
0.24 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5