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S33425 Stainless Steel vs. AISI 403 Stainless Steel

Both S33425 stainless steel and AISI 403 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S33425 stainless steel and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
16 to 25
Fatigue Strength, MPa 210
200 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 400
340 to 480
Tensile Strength: Ultimate (UTS), MPa 580
530 to 780
Tensile Strength: Yield (Proof), MPa 230
280 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 500
390
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
28
Thermal Expansion, µm/m-K 16
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
1.9
Embodied Energy, MJ/kg 71
27
Embodied Water, L/kg 190
99

Common Calculations

PREN (Pitting Resistance) 30
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
210 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
19 to 28
Strength to Weight: Bending, points 19
19 to 24
Thermal Diffusivity, mm2/s 3.7
7.6
Thermal Shock Resistance, points 13
20 to 29

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 21 to 23
11.5 to 13
Iron (Fe), % 47.2 to 56.7
84.7 to 88.5
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 20 to 23
0 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0