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AWS E2593 vs. S31730 Stainless Steel

Both AWS E2593 and S31730 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 (11, in this case) are not shown.

For each property being compared, the top bar is AWS E2593 and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
40
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 850
540

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 470
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 4.2
4.6
Embodied Energy, MJ/kg 59
63
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 39
30
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
19
Strength to Weight: Bending, points 25
18
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24 to 27
17 to 19
Copper (Cu), % 1.5 to 3.0
4.0 to 5.0
Iron (Fe), % 52.7 to 62.5
52.4 to 61
Manganese (Mn), % 0.5 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.9 to 3.9
3.0 to 4.0
Nickel (Ni), % 8.5 to 10.5
15 to 16.5
Nitrogen (N), % 0.080 to 0.25
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010