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SAE-AISI D7 Steel vs. ASTM A182 Grade F24

Both SAE-AISI D7 steel and ASTM A182 grade F24 are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is ASTM A182 grade F24.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
670

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
39
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.0
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 11
2.3
Embodied Energy, MJ/kg 180
33
Embodied Water, L/kg 130
61

Common Calculations

PREN (Pitting Resistance) 16
6.7
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
24
Strength to Weight: Bending, points 25 to 48
22
Thermal Diffusivity, mm2/s 7.4
11
Thermal Shock Resistance, points 27 to 72
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 2.2 to 2.5
0.050 to 0.1
Chromium (Cr), % 11.5 to 13.5
2.2 to 2.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.6 to 81.9
94.5 to 96.1
Manganese (Mn), % 0 to 0.6
0.3 to 0.7
Molybdenum (Mo), % 0.7 to 1.2
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.6
0.15 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.060 to 0.1
Vanadium (V), % 3.8 to 4.4
0.2 to 0.3