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SAE-AISI D7 Steel vs. K93050 Alloy

Both SAE-AISI D7 steel and K93050 alloy are iron alloys. They have 63% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is K93050 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
500 to 680

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 11
4.7
Embodied Energy, MJ/kg 180
65
Embodied Water, L/kg 130
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29 to 78
17 to 23
Strength to Weight: Bending, points 25 to 48
17 to 21
Thermal Shock Resistance, points 27 to 72
16 to 21

Alloy Composition

Carbon (C), % 2.2 to 2.5
0 to 0.15
Chromium (Cr), % 11.5 to 13.5
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.6 to 81.9
61.4 to 63.9
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
36
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0.15 to 0.3
Silicon (Si), % 0 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 3.8 to 4.4
0

Comparable Variants