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AWS E2594 vs. S31727 Stainless Steel

Both AWS E2594 and S31727 stainless steel are iron alloys. They have a moderately high 91% 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 E2594 and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
40
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 850
630

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.3
4.7
Embodied Energy, MJ/kg 60
64
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 43
35
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 25
20
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24 to 27
17.5 to 19
Copper (Cu), % 0 to 0.75
2.8 to 4.0
Iron (Fe), % 53.8 to 63.8
53.7 to 61.3
Manganese (Mn), % 0.5 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
3.8 to 4.5
Nickel (Ni), % 8.0 to 10.5
14.5 to 16.5
Nitrogen (N), % 0.2 to 0.3
0.15 to 0.21
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030