MakeItFrom.com
Menu (ESC)

AWS E309L vs. S82121 Stainless Steel

Both AWS E309L and S82121 stainless steel are iron alloys. They have 88% 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 E309L and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
28
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 580
730

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
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
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 52
40
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 25
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15
20

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.035
Chromium (Cr), % 22 to 25
21 to 23
Copper (Cu), % 0 to 0.75
0.2 to 1.2
Iron (Fe), % 55.9 to 65.5
66.7 to 75.4
Manganese (Mn), % 0.5 to 2.5
1.0 to 2.5
Molybdenum (Mo), % 0 to 0.75
0.3 to 1.3
Nickel (Ni), % 12 to 14
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
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 0.010