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SAE-AISI H11 Steel vs. ASTM B540 Palladium

SAE-AISI H11 steel belongs to the iron alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H11 steel and the bottom bar is ASTM B540 palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 74
39
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
830 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 270
140
Melting Completion (Liquidus), °C 1460
1220
Melting Onset (Solidus), °C 1410
1020
Specific Heat Capacity, J/kg-K 470
240
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
4.9 to 5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
3.5 to 3.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
13

Common Calculations

Stiffness to Weight: Axial, points 14
4.7
Stiffness to Weight: Bending, points 25
12
Strength to Weight: Axial, points 25 to 66
18 to 27
Strength to Weight: Bending, points 22 to 43
15 to 20
Thermal Shock Resistance, points 22 to 58
41 to 61

Alloy Composition

Carbon (C), % 0.33 to 0.43
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
13.5 to 14.5
Gold (Au), % 0
9.5 to 10.5
Iron (Fe), % 89.6 to 92.5
0
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 1.1 to 1.6
0
Nickel (Ni), % 0 to 0.3
0
Palladium (Pd), % 0
34 to 36
Phosphorus (P), % 0 to 0.030
0
Platinum (Pt), % 0
9.5 to 10.5
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
29 to 31
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
0.8 to 1.2
Residuals, % 0
0 to 0.3