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EN 1.7321 Steel vs. EN 1.7383 Steel

Both EN 1.7321 steel and EN 1.7383 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7321 steel and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 490 to 1460
560 to 610

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 50
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 52
20 to 22
Strength to Weight: Bending, points 18 to 36
19 to 20
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 14 to 43
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.17 to 0.23
0.080 to 0.15
Chromium (Cr), % 0.3 to 0.6
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 97.1 to 98.4
94.3 to 96.6
Manganese (Mn), % 0.7 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 0.4 to 0.5
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010