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EN 1.7323 Steel vs. AISI 434 Stainless Steel

Both EN 1.7323 steel and AISI 434 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7323 steel and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 480 to 1460
520

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
880
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.4
Embodied Energy, MJ/kg 20
33
Embodied Water, L/kg 50
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 52
19
Strength to Weight: Bending, points 17 to 36
18
Thermal Diffusivity, mm2/s 12
6.7
Thermal Shock Resistance, points 14 to 43
19

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.12
Chromium (Cr), % 0.3 to 0.6
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.1 to 98.4
78.6 to 83.3
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.5
0.75 to 1.3
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0.020 to 0.040
0 to 0.030