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AISI 329 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both AISI 329 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 83% 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 ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
11
Fatigue Strength, MPa 330
470
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 710
1080
Tensile Strength: Yield (Proof), MPa 540
870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
380
Maximum Temperature: Mechanical, °C 1100
740
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
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.1
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 170
100

Common Calculations

PREN (Pitting Resistance) 30
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 730
1920
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
38
Strength to Weight: Bending, points 23
30
Thermal Diffusivity, mm2/s 4.3
6.6
Thermal Shock Resistance, points 19
40

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.28
Chromium (Cr), % 23 to 28
11 to 12.5
Iron (Fe), % 63.1 to 74
81.4 to 85.8
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0.9 to 1.3
Nickel (Ni), % 2.0 to 5.0
0.5 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3