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S31266 Stainless Steel vs. AWS E310Mo

Both S31266 stainless steel and AWS E310Mo are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is AWS E310Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 860
620

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
28
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.5
5.1
Embodied Energy, MJ/kg 89
71
Embodied Water, L/kg 220
210

Common Calculations

PREN (Pitting Resistance) 54
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 3.1
3.7
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 23 to 25
25 to 28
Copper (Cu), % 1.0 to 2.5
0 to 0.75
Iron (Fe), % 34.1 to 46
42.8 to 52
Manganese (Mn), % 2.0 to 4.0
1.0 to 2.5
Molybdenum (Mo), % 5.2 to 6.2
2.0 to 3.0
Nickel (Ni), % 21 to 24
20 to 22
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0