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AISI 329 Stainless Steel vs. ASTM A182 Grade F5a

Both AISI 329 stainless steel and ASTM A182 grade F5a are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
25
Fatigue Strength, MPa 330
380
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Shear Strength, MPa 440
450
Tensile Strength: Ultimate (UTS), MPa 710
710
Tensile Strength: Yield (Proof), MPa 540
520

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
510
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
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
4.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 44
24
Embodied Water, L/kg 170
69

Common Calculations

PREN (Pitting Resistance) 30
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
160
Resilience: Unit (Modulus of Resilience), kJ/m3 730
700
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.25
Chromium (Cr), % 23 to 28
4.0 to 6.0
Iron (Fe), % 63.1 to 74
91.4 to 95.6
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 1.0 to 2.0
0.44 to 0.65
Nickel (Ni), % 2.0 to 5.0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030