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AWS E240 vs. S31100 Stainless Steel

Both AWS E240 and S31100 stainless steel are iron alloys. They have 88% 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 E240 and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
4.5
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 770
1000

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 22
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
36
Strength to Weight: Bending, points 24
29
Thermal Diffusivity, mm2/s 3.9
4.2
Thermal Shock Resistance, points 19
28

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 17 to 19
25 to 27
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
63.6 to 69
Manganese (Mn), % 10.5 to 13.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 4.0 to 6.0
6.0 to 7.0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.25