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ASTM A387 Grade 9 Steel vs. EN 1.5662 Steel

Both ASTM A387 grade 9 steel and EN 1.5662 steel are iron alloys. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 9 steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 21
20
Fatigue Strength, MPa 160 to 240
380 to 450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 310 to 380
460 to 470
Tensile Strength: Ultimate (UTS), MPa 500 to 600
740 to 750
Tensile Strength: Yield (Proof), MPa 230 to 350
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
7.5
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.1
2.3
Embodied Energy, MJ/kg 28
31
Embodied Water, L/kg 87
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 310
810 to 1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 21
26
Strength to Weight: Bending, points 18 to 20
23
Thermal Shock Resistance, points 14 to 17
22

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 8.0 to 10
0
Iron (Fe), % 87.1 to 90.8
88.6 to 91.2
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.1
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.0050
Vanadium (V), % 0 to 0.040
0 to 0.050

Comparable Variants