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SAE-AISI T6 Steel vs. ASTM B780 Alloy

SAE-AISI T6 steel belongs to the iron alloys classification, while ASTM B780 alloy belongs to the otherwise unclassified metals. There are 13 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 T6 steel and the bottom bar is ASTM B780 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
83
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 81
30
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
330 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Specific Heat Capacity, J/kg-K 400
270
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Density, g/cm3 9.5
10

Common Calculations

Stiffness to Weight: Axial, points 12
4.5
Stiffness to Weight: Bending, points 21
14
Strength to Weight: Axial, points 26 to 63
9.1 to 16
Strength to Weight: Bending, points 21 to 39
11 to 15
Thermal Shock Resistance, points 26 to 64
16 to 29

Alloy Composition

Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
23.5 to 25.7
Iron (Fe), % 55.9 to 63.5
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0.35 to 0.65
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0
Silver (Ag), % 0
74 to 76
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0
Zinc (Zn), % 0
0 to 0.060

Comparable Variants