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ASTM A372 Grade H Steel vs. EN 1.1165 Cast Steel

Both ASTM A372 grade H steel and EN 1.1165 cast steel are iron alloys. Their average alloy composition is basically identical. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 1.1165 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
11 to 20
Fatigue Strength, MPa 310 to 380
200 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 650 to 910
600 to 780
Tensile Strength: Yield (Proof), MPa 430 to 550
290 to 620

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
51
Thermal Expansion, µm/m-K 13
12

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
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
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
230 to 1010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
21 to 28
Strength to Weight: Bending, points 21 to 27
20 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 27
19 to 25

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.25 to 0.32
Chromium (Cr), % 0.4 to 0.65
0
Iron (Fe), % 97.3 to 98.3
97.2 to 98.6
Manganese (Mn), % 0.75 to 1.1
1.2 to 1.8
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030

Comparable Variants