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AWS E33-31 vs. S32808 Stainless Steel

Both AWS E33-31 and S32808 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 29
17
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 810
780

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
4.0
Embodied Energy, MJ/kg 86
57
Embodied Water, L/kg 260
180

Common Calculations

PREN (Pitting Resistance) 44
40
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27
Strength to Weight: Bending, points 24
24
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 31 to 35
27 to 27.9
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 24.7 to 34.8
58.1 to 62.8
Manganese (Mn), % 2.5 to 4.0
0 to 1.1
Molybdenum (Mo), % 1.0 to 2.0
0.8 to 1.2
Nickel (Ni), % 30 to 32
7.0 to 8.2
Nitrogen (N), % 0.3 to 0.5
0.3 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.9
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5