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ASTM A387 Grade 9 Steel vs. EN 1.5024 Steel

Both ASTM A387 grade 9 steel and EN 1.5024 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.5024 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
200 to 470
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 500 to 600
670 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.9
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 87
45

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 21
24 to 69
Strength to Weight: Bending, points 18 to 20
22 to 45
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 14 to 17
20 to 58

Alloy Composition

Carbon (C), % 0 to 0.15
0.42 to 0.5
Chromium (Cr), % 8.0 to 10
0
Iron (Fe), % 87.1 to 90.8
96.7 to 97.6
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 1.0
1.5 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0 to 0.040
0

Comparable Variants