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EN 1.4325 Stainless Steel vs. EN 1.7323 Steel

Both EN 1.4325 stainless steel and EN 1.7323 steel are iron alloys. They have 73% 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 1.4325 stainless steel and the bottom bar is EN 1.7323 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 650
480 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 140
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
17 to 52
Strength to Weight: Bending, points 21
17 to 36
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 15
14 to 43

Alloy Composition

Carbon (C), % 0.030 to 0.15
0.17 to 0.23
Chromium (Cr), % 17 to 19
0.3 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 67.8 to 75
97.1 to 98.4
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.5
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0.020 to 0.040