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EN 1.7233 Steel vs. ASTM A372 Grade J Steel

Both EN 1.7233 steel and ASTM A372 grade J steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7233 steel and the bottom bar is ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
200 to 310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 23
17 to 22
Fatigue Strength, MPa 270 to 530
310 to 570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 450 to 590
410 to 630
Tensile Strength: Ultimate (UTS), MPa 700 to 960
650 to 1020
Tensile Strength: Yield (Proof), MPa 380 to 780
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
420
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 39
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 21
20
Embodied Water, L/kg 53
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
500 to 1930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 34
23 to 36
Strength to Weight: Bending, points 22 to 28
21 to 29
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 21 to 28
19 to 30

Alloy Composition

Carbon (C), % 0.39 to 0.45
0.35 to 0.5
Chromium (Cr), % 1.2 to 1.5
0.8 to 1.2
Iron (Fe), % 96.2 to 97.5
96.7 to 97.8
Manganese (Mn), % 0.4 to 0.7
0.75 to 1.1
Molybdenum (Mo), % 0.5 to 0.7
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.010

Comparable Variants