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AISI 329 Stainless Steel vs. SAE-AISI 1046 Steel

Both AISI 329 stainless steel and SAE-AISI 1046 steel are iron alloys. They have 69% 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 329 stainless steel and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
14 to 17
Fatigue Strength, MPa 330
240 to 390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Shear Strength, MPa 440
410 to 450
Tensile Strength: Ultimate (UTS), MPa 710
660 to 740
Tensile Strength: Yield (Proof), MPa 540
370 to 610

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
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 730
360 to 990
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
23 to 26
Strength to Weight: Bending, points 23
22 to 23
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 19
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.080
0.43 to 0.5
Chromium (Cr), % 23 to 28
0
Iron (Fe), % 63.1 to 74
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 2.0 to 5.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050