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ASTM Grade HD Steel vs. EN 1.7323 Steel

Both ASTM grade HD steel and EN 1.7323 steel are iron alloys. They have 66% of their average alloy composition in common. There are 24 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 ASTM grade HD steel and the bottom bar is EN 1.7323 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 590
480 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.5
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 180
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
17 to 52
Strength to Weight: Bending, points 20
17 to 36
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 19
14 to 43

Alloy Composition

Carbon (C), % 0 to 0.5
0.17 to 0.23
Chromium (Cr), % 26 to 30
0.3 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.4 to 70
97.1 to 98.4
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.5
Nickel (Ni), % 4.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0.020 to 0.040