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AISI 329 Stainless Steel vs. SAE-AISI 1074 Steel

Both AISI 329 stainless steel and SAE-AISI 1074 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 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 14
Fatigue Strength, MPa 330
290 to 350
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Shear Strength, MPa 440
440 to 490
Tensile Strength: Ultimate (UTS), MPa 710
740 to 820
Tensile Strength: Yield (Proof), MPa 540
450 to 570

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
50
Thermal Expansion, µm/m-K 13
12

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
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 730
550 to 860
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
26 to 29
Strength to Weight: Bending, points 23
23 to 25
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 19
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.080
0.7 to 0.8
Chromium (Cr), % 23 to 28
0
Iron (Fe), % 63.1 to 74
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
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