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AWS E33-31 vs. S15500 Stainless Steel

Both AWS E33-31 and S15500 stainless steel are iron alloys. They have 51% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 29
6.8 to 16
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 810
890 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
2.7
Embodied Energy, MJ/kg 86
39
Embodied Water, L/kg 260
130

Common Calculations

PREN (Pitting Resistance) 44
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
32 to 53
Strength to Weight: Bending, points 24
26 to 37
Thermal Shock Resistance, points 19
30 to 50

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 31 to 35
14 to 15.5
Copper (Cu), % 0.4 to 0.8
2.5 to 4.5
Iron (Fe), % 24.7 to 34.8
71.9 to 79.9
Manganese (Mn), % 2.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030