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EN 1.3521 Steel vs. AISI 329 Stainless Steel

Both EN 1.3521 steel and AISI 329 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3521 steel and the bottom bar is AISI 329 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
240
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 490 to 1390
710

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 52
170

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 49
25
Strength to Weight: Bending, points 18 to 35
23
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 14 to 41
19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.14 to 0.19
0 to 0.080
Chromium (Cr), % 0.8 to 1.1
23 to 28
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.8 to 98.2
63.1 to 74
Manganese (Mn), % 1.0 to 1.3
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
2.0 to 5.0
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030