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S31277 Stainless Steel vs. AWS E385

Both S31277 stainless steel and AWS E385 are iron alloys. They have a moderately high 94% 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 S31277 stainless steel and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 860
580

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 6.7
5.8
Embodied Energy, MJ/kg 90
79
Embodied Water, L/kg 220
200

Common Calculations

PREN (Pitting Resistance) 51
36
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 25
19
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 20.5 to 23
19.5 to 21.5
Copper (Cu), % 0.5 to 1.5
1.2 to 2.0
Iron (Fe), % 35.5 to 46.2
41.8 to 50.1
Manganese (Mn), % 0 to 3.0
1.0 to 2.5
Molybdenum (Mo), % 6.5 to 8.0
4.2 to 5.2
Nickel (Ni), % 26 to 28
24 to 26
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.9
Sulfur (S), % 0 to 0.010
0 to 0.020