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AWS E383 vs. S31277 Stainless Steel

Both AWS E383 and S31277 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E383 and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 34
45
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 580
860

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 6.4
6.7
Embodied Energy, MJ/kg 89
90
Embodied Water, L/kg 240
220

Common Calculations

PREN (Pitting Resistance) 40
51
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 19
25
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 26.5 to 29
20.5 to 23
Copper (Cu), % 0.6 to 1.5
0.5 to 1.5
Iron (Fe), % 28.8 to 39.2
35.5 to 46.2
Manganese (Mn), % 0.5 to 2.5
0 to 3.0
Molybdenum (Mo), % 3.2 to 4.2
6.5 to 8.0
Nickel (Ni), % 30 to 33
26 to 28
Nitrogen (N), % 0
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 0.020
0 to 0.010