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ASTM A372 Grade H Steel vs. EN 1.1133 Steel

Both ASTM A372 grade H steel and EN 1.1133 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 1.1133 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
19 to 24
Fatigue Strength, MPa 310 to 380
230 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 570
370 to 380
Tensile Strength: Ultimate (UTS), MPa 650 to 910
580 to 620
Tensile Strength: Yield (Proof), MPa 430 to 550
320 to 460

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
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 49
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
270 to 550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
21 to 22
Strength to Weight: Bending, points 21 to 27
20 to 21
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 19 to 27
18 to 19

Alloy Composition

Carbon (C), % 0.3 to 0.4
0.17 to 0.23
Chromium (Cr), % 0.4 to 0.65
0 to 0.4
Iron (Fe), % 97.3 to 98.3
96.9 to 98.8
Manganese (Mn), % 0.75 to 1.1
1.0 to 1.5
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035

Comparable Variants