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AISI 403 Stainless Steel vs. SAE-AISI 9254 Steel

Both AISI 403 stainless steel and SAE-AISI 9254 steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 403 stainless steel and the bottom bar is SAE-AISI 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 25
20
Fatigue Strength, MPa 200 to 340
280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 340 to 480
410
Tensile Strength: Ultimate (UTS), MPa 530 to 780
660
Tensile Strength: Yield (Proof), MPa 280 to 570
410

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 740
410
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 28
46
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
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
20
Embodied Water, L/kg 99
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 28
24
Strength to Weight: Bending, points 19 to 24
22
Thermal Diffusivity, mm2/s 7.6
12
Thermal Shock Resistance, points 20 to 29
20

Alloy Composition

Carbon (C), % 0 to 0.15
0.51 to 0.59
Chromium (Cr), % 11.5 to 13
0.6 to 0.8
Iron (Fe), % 84.7 to 88.5
96.1 to 97.1
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.040