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ASTM A387 Grade 2 Steel vs. EN 1.1132 Steel

Both ASTM A387 grade 2 steel and EN 1.1132 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 ASTM A387 grade 2 steel and the bottom bar is EN 1.1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
12 to 24
Fatigue Strength, MPa 190 to 250
180 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 350
260 to 310
Tensile Strength: Ultimate (UTS), MPa 470 to 550
370 to 490
Tensile Strength: Yield (Proof), MPa 260 to 350
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1470
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
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 50
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
38 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
160 to 430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
13 to 17
Strength to Weight: Bending, points 17 to 19
15 to 18
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 14 to 16
12 to 16

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.13 to 0.17
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.1 to 98.3
98.6 to 99.57
Manganese (Mn), % 0.55 to 0.8
0.3 to 0.6
Molybdenum (Mo), % 0.45 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025