MakeItFrom.com
Menu (ESC)

SAE-AISI D7 Steel vs. Type 3 Magnetic Alloy

SAE-AISI D7 steel belongs to the iron alloys classification, while Type 3 magnetic alloy belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 73
70
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
550

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
55
Density, g/cm3 7.6
8.7
Embodied Carbon, kg CO2/kg material 11
8.7
Embodied Energy, MJ/kg 180
120
Embodied Water, L/kg 130
220

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 29 to 78
18
Strength to Weight: Bending, points 25 to 48
17
Thermal Shock Resistance, points 27 to 72
18

Alloy Composition

Carbon (C), % 2.2 to 2.5
0 to 0.050
Chromium (Cr), % 11.5 to 13.5
2.0 to 3.0
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
4.0 to 6.0
Iron (Fe), % 76.6 to 81.9
9.9 to 19
Manganese (Mn), % 0 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.7 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 0.3
75 to 78
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 3.8 to 4.4
0