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EN 1.8505 Steel vs. ASTM A372 Grade H Steel

Both EN 1.8505 steel and ASTM A372 grade H steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
20 to 22
Fatigue Strength, MPa 540
310 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 630
410 to 570
Tensile Strength: Ultimate (UTS), MPa 1050
650 to 910
Tensile Strength: Yield (Proof), MPa 860
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 22
20
Embodied Water, L/kg 65
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
500 to 810
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
23 to 32
Strength to Weight: Bending, points 30
21 to 27
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 31
19 to 27

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.3 to 0.4
Chromium (Cr), % 1.5 to 1.8
0.4 to 0.65
Iron (Fe), % 95.4 to 97.1
97.3 to 98.3
Manganese (Mn), % 0.4 to 0.7
0.75 to 1.1
Molybdenum (Mo), % 0.2 to 0.4
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