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S32550 Stainless Steel vs. AWS E308L

Both S32550 stainless steel and AWS E308L are iron alloys. They have 89% 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 S32550 stainless steel and the bottom bar is AWS E308L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
40
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 860
580

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.2
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 40
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 4.4
4.1
Thermal Shock Resistance, points 23
15

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.040
Chromium (Cr), % 24 to 27
18 to 21
Copper (Cu), % 1.5 to 2.5
0 to 0.75
Iron (Fe), % 57.2 to 67
62.9 to 72.5
Manganese (Mn), % 0 to 1.5
0.5 to 2.5
Molybdenum (Mo), % 2.9 to 3.9
0 to 0.75
Nickel (Ni), % 4.5 to 6.5
9.0 to 11
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030