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AWS E2593 vs. S82121 Stainless Steel

Both AWS E2593 and S82121 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E2593 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, % 17
28
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 850
730

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 59
40
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 39
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
26
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.035
Chromium (Cr), % 24 to 27
21 to 23
Copper (Cu), % 1.5 to 3.0
0.2 to 1.2
Iron (Fe), % 52.7 to 62.5
66.7 to 75.4
Manganese (Mn), % 0.5 to 1.5
1.0 to 2.5
Molybdenum (Mo), % 2.9 to 3.9
0.3 to 1.3
Nickel (Ni), % 8.5 to 10.5
2.0 to 4.0
Nitrogen (N), % 0.080 to 0.25
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