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ASTM A372 Grade H Steel vs. EN 1.5520 Steel

Both ASTM A372 grade H steel and EN 1.5520 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 ASTM A372 grade H steel and the bottom bar is EN 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
11 to 21
Fatigue Strength, MPa 310 to 380
210 to 300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 570
290 to 340
Tensile Strength: Ultimate (UTS), MPa 650 to 910
410 to 1410
Tensile Strength: Yield (Proof), MPa 430 to 550
300 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
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
50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 49
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
42 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
240 to 600
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
15 to 50
Strength to Weight: Bending, points 21 to 27
16 to 36
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 19 to 27
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.3 to 0.4
0.15 to 0.2
Chromium (Cr), % 0.4 to 0.65
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.3 to 98.3
97.7 to 98.9
Manganese (Mn), % 0.75 to 1.1
0.9 to 1.2
Molybdenum (Mo), % 0.15 to 0.25
0
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 to 0.025

Comparable Variants