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ASTM A372 Grade J Steel vs. EN 1.7323 Steel

Both ASTM A372 grade J steel and EN 1.7323 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade J steel and the bottom bar is EN 1.7323 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 310
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 650 to 1020
480 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 51
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 36
17 to 52
Strength to Weight: Bending, points 21 to 29
17 to 36
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 19 to 30
14 to 43

Alloy Composition

Carbon (C), % 0.35 to 0.5
0.17 to 0.23
Chromium (Cr), % 0.8 to 1.2
0.3 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.7 to 97.8
97.1 to 98.4
Manganese (Mn), % 0.75 to 1.1
0.7 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0.4 to 0.5
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.010
0.020 to 0.040

Comparable Variants