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ASTM A387 Grade 11 Steel vs. SAE-AISI H24 Steel

Both ASTM A387 grade 11 steel and SAE-AISI H24 steel are iron alloys. They have 82% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 11 steel and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 500 to 600
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Melting Completion (Liquidus), °C 1460
1750
Melting Onset (Solidus), °C 1420
1700
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 39
27
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
37
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 1.6
6.1
Embodied Energy, MJ/kg 21
93
Embodied Water, L/kg 53
78

Common Calculations

PREN (Pitting Resistance) 3.1
28
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 18 to 21
22 to 61
Strength to Weight: Bending, points 18 to 20
20 to 39
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 15 to 18
22 to 61

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.42 to 0.53
Chromium (Cr), % 1.0 to 1.5
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.2 to 97.6
78 to 82.4
Manganese (Mn), % 0.4 to 0.65
0.15 to 0.4
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.5 to 0.8
0.15 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6

Comparable Variants