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AISI 329 Stainless Steel vs. SAE-AISI 4024 Steel

Both AISI 329 stainless steel and SAE-AISI 4024 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 329 stainless steel and the bottom bar is SAE-AISI 4024 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
14
Fatigue Strength, MPa 330
320
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 440
370
Tensile Strength: Ultimate (UTS), MPa 710
600
Tensile Strength: Yield (Proof), MPa 540
500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 170
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
77
Resilience: Unit (Modulus of Resilience), kJ/m3 730
670
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.25
Chromium (Cr), % 23 to 28
0
Iron (Fe), % 63.1 to 74
98.1 to 98.7
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 1.0 to 2.0
0.2 to 0.3
Nickel (Ni), % 2.0 to 5.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0.035 to 0.050