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AISI 329 Stainless Steel vs. AISI 204 Stainless Steel

Both AISI 329 stainless steel and AISI 204 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 329 stainless steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
23 to 39
Fatigue Strength, MPa 330
320 to 720
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 440
500 to 700
Tensile Strength: Ultimate (UTS), MPa 710
730 to 1100
Tensile Strength: Yield (Proof), MPa 540
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
10
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.4
Embodied Energy, MJ/kg 44
35
Embodied Water, L/kg 170
130

Common Calculations

PREN (Pitting Resistance) 30
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 730
360 to 2940
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27 to 40
Strength to Weight: Bending, points 23
24 to 31
Thermal Diffusivity, mm2/s 4.3
4.1
Thermal Shock Resistance, points 19
16 to 24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 23 to 28
15 to 17
Iron (Fe), % 63.1 to 74
69.6 to 76.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 2.0 to 5.0
1.5 to 3.0
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030