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AWS E209 vs. S31254 Stainless Steel

Both AWS E209 and S31254 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS E209 and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
40
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 770
720

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 21
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.4
5.5
Embodied Energy, MJ/kg 63
74
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 33
44
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 20.5 to 24
19.5 to 20.5
Copper (Cu), % 0 to 0.75
0.5 to 1.0
Iron (Fe), % 51.5 to 64.3
51.4 to 56.3
Manganese (Mn), % 4.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
6.0 to 6.5
Nickel (Ni), % 9.5 to 12
17.5 to 18.5
Nitrogen (N), % 0.1 to 0.3
0.18 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0