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AISI 403 Stainless Steel vs. AWS ER90S-D2

Both AISI 403 stainless steel and AWS ER90S-D2 are iron alloys. They have 88% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 403 stainless steel and the bottom bar is AWS ER90S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 25
19
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 530 to 780
710
Tensile Strength: Yield (Proof), MPa 280 to 570
600

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 28
47
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 27
21
Embodied Water, L/kg 99
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 28
25
Strength to Weight: Bending, points 19 to 24
23
Thermal Diffusivity, mm2/s 7.6
13
Thermal Shock Resistance, points 20 to 29
21

Alloy Composition

Carbon (C), % 0 to 0.15
0.070 to 0.12
Chromium (Cr), % 11.5 to 13
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 84.7 to 88.5
95.2 to 97.4
Manganese (Mn), % 0 to 1.0
1.6 to 2.1
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.6
0 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0.5 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Residuals, % 0
0 to 0.5