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EN 1.7323 Steel vs. EN 1.4740 Stainless Steel

Both EN 1.7323 steel and EN 1.4740 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7323 steel and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 45
18
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
32
Embodied Water, L/kg 50
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 12
4.8

Alloy Composition

Carbon (C), % 0.17 to 0.23
0.3 to 0.5
Chromium (Cr), % 0.3 to 0.6
16 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.1 to 98.4
75.4 to 82.7
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.5
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
1.0 to 2.5
Sulfur (S), % 0.020 to 0.040
0 to 0.030