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SAE-AISI D7 Steel vs. SAE-AISI F1 Steel

Both SAE-AISI D7 steel and SAE-AISI F1 steel are iron alloys. They have 81% of their average alloy composition in common. There are 22 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 SAE-AISI D7 steel and the bottom bar is SAE-AISI F1 steel.

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
72
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
620 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
45
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
5.0
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 11
1.7
Embodied Energy, MJ/kg 180
24
Embodied Water, L/kg 130
46

Common Calculations

PREN (Pitting Resistance) 16
2.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 78
22 to 82
Strength to Weight: Bending, points 25 to 48
20 to 49
Thermal Diffusivity, mm2/s 7.4
12
Thermal Shock Resistance, points 27 to 72
19 to 70

Alloy Composition

Carbon (C), % 2.2 to 2.5
1.0 to 1.3
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.6 to 81.9
95.9 to 98
Manganese (Mn), % 0 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.0 to 1.8
Vanadium (V), % 3.8 to 4.4
0

Comparable Variants