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AISI 329 Stainless Steel vs. SAE-AISI 1008 Steel

Both AISI 329 stainless steel and SAE-AISI 1008 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 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
22 to 33
Fatigue Strength, MPa 330
150 to 220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 440
220 to 230
Tensile Strength: Ultimate (UTS), MPa 710
330 to 370
Tensile Strength: Yield (Proof), MPa 540
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
62
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 170
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 730
92 to 260
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
12 to 13
Strength to Weight: Bending, points 23
13 to 15
Thermal Diffusivity, mm2/s 4.3
17
Thermal Shock Resistance, points 19
10 to 12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 23 to 28
0
Iron (Fe), % 63.1 to 74
99.31 to 99.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
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