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S31727 Stainless Steel vs. AWS E330

Both S31727 stainless steel and AWS E330 are iron alloys. They have 79% 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 S31727 stainless steel and the bottom bar is AWS E330.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
29
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 630
580

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 4.7
5.4
Embodied Energy, MJ/kg 64
75
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 35
17
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 20
19
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.18 to 0.25
Chromium (Cr), % 17.5 to 19
14 to 17
Copper (Cu), % 2.8 to 4.0
0 to 0.75
Iron (Fe), % 53.7 to 61.3
40.7 to 51.8
Manganese (Mn), % 0 to 1.0
1.0 to 2.5
Molybdenum (Mo), % 3.8 to 4.5
0 to 0.75
Nickel (Ni), % 14.5 to 16.5
33 to 37
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030