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ASTM A372 Grade H Steel vs. EN 1.8522 Steel

Both ASTM A372 grade H steel and EN 1.8522 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 (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade H steel and the bottom bar is EN 1.8522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
220 to 380
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 650 to 910
730 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
470
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 45
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.2
Embodied Energy, MJ/kg 20
31
Embodied Water, L/kg 49
63

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
26 to 44
Strength to Weight: Bending, points 21 to 27
23 to 33
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 27
21 to 36

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.29 to 0.36
Chromium (Cr), % 0.4 to 0.65
2.8 to 3.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 97.3 to 98.3
93.7 to 96
Manganese (Mn), % 0.75 to 1.1
0.4 to 0.7
Molybdenum (Mo), % 0.15 to 0.25
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25

Comparable Variants