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AISI 303 Stainless Steel vs. S44535 Stainless Steel

Both AISI 303 stainless steel and S44535 stainless steel are iron alloys. They have 90% 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 AISI 303 stainless steel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40 to 51
28
Fatigue Strength, MPa 230 to 360
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 430 to 470
290
Tensile Strength: Ultimate (UTS), MPa 600 to 690
450
Tensile Strength: Yield (Proof), MPa 230 to 420
290

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 930
1000
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.4
Embodied Energy, MJ/kg 42
34
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 18
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
16
Strength to Weight: Bending, points 20 to 22
17
Thermal Diffusivity, mm2/s 4.4
5.6
Thermal Shock Resistance, points 13 to 15
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 19
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 67.3 to 74.9
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.2
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2