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ASTM A372 Grade H Steel vs. EN 1.8827 Steel

Both ASTM A372 grade H steel and EN 1.8827 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 1.8827 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
19
Fatigue Strength, MPa 310 to 380
300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 570
380
Tensile Strength: Ultimate (UTS), MPa 650 to 910
610
Tensile Strength: Yield (Proof), MPa 430 to 550
440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 45
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 49
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
21
Strength to Weight: Bending, points 21 to 27
20
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 19 to 27
18

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.054
Carbon (C), % 0.3 to 0.4
0 to 0.18
Chromium (Cr), % 0.4 to 0.65
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 97.3 to 98.3
95 to 99.985
Manganese (Mn), % 0.75 to 1.1
0 to 1.8
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.23
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.65
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.14