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AWS E33-31 vs. AISI 403 Stainless Steel

Both AWS E33-31 and AISI 403 stainless steel are iron alloys. They have 43% 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 E33-31 and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 29
16 to 25
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 810
530 to 780

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.9
Embodied Energy, MJ/kg 86
27
Embodied Water, L/kg 260
99

Common Calculations

PREN (Pitting Resistance) 44
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
19 to 28
Strength to Weight: Bending, points 24
19 to 24
Thermal Shock Resistance, points 19
20 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 31 to 35
11.5 to 13
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 24.7 to 34.8
84.7 to 88.5
Manganese (Mn), % 2.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
0 to 0.6
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 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030