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Hastelloy
Balls |
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Hastelloy Balls
Overview
This alloy finds use in petrochemical process equipment
and gas turbines in the hot combustor zone sections. Also used
for structural components in industrial furnace applications
because of excellent oxidation resistance.
Hastelloy balls have and excellent resistance to corrosion.
Hastelloy C-276 is a nickel-molybdenum-chromium wrought alloy
that is generally considered a versatile corrosion-resistant
alloy. Hastelloy precision balls have excellent resistance to
localized corrosion and to both oxidizing and reducing media.
Hastelloy C-276 balls have an excellent resistance to a wide
variety of chemical process environments, including strong oxidizers.
Such as
- ferric and cupric chlorides
- hot contaminated media (organic and inorganic)
- chlorine
- formic and acetic acids
- acetic anhydride
- seawater and brine solutions
Hastelloy balls are used in flue gas desulfurization systems
because of its excellent resistance to sulfur compounds and
chloride ions encountered in most scrubbers. It also has an
excellent resistance to pitting and to stress-corrosion cracking.
It is also one of the few materials that withstands the corrosive
effects of wet chlorine gas, hypochlorite and chlorine dioxide.
HASTELLOY ® X alloy is a nickel-chromium-iron-molybdenum
alloy that possesses an exceptional combination of oxidation
resistance and high-temperature strength. It has also been
found to be exceptionally resistant to stress-corrosion cracking
in petrochemical applications. X alloy exhibits good ductility
after prolonged exposure at temperatures of 1200, 1400, 1600°F
(650, 760 and 870°C) for 16,000 hours.
Hastelloy C-276 Average Physical Properties
Physical Property |
Temperature
°F |
Temperature
°C |
Metric Units |
Density |
72 |
22 |
8.89 g/cm3 |
Melting Temperature Range |
2415-2500 |
1323-1371 |
- |
Electrical Resistivity |
75 |
24 |
1.30 microhm-m |
Mean Coefficient of
Thermal Expansion |
75-200 |
24-93 |
11.2 x 10-6 m/m-K |
75-400 |
24-204 |
12.0 x 10-6 m/m-K |
75-600 |
24-316 |
12.8 x 10-6 m/m-K |
75-800 |
24-427 |
13.2 x 10-6 m/m-K |
75-1000 |
24-538 |
13.4 x 10-6 m/m-K |
Thermal Conductivity |
-270 |
-168 |
7.2 W/m-K |
-100 |
-73 |
8.6 W/m-K |
0 |
-18 |
9.4 W/m-K |
100 |
38 |
10.2 W/m-K |
200 |
93 |
11.1 W/m-K |
400 |
204 |
13.0 W/m-K |
600 |
316 |
15.0 W/m-K |
800 |
427 |
16.9 W/m-K |
1000 |
538 |
19.0 W/m-K |
Specific Heat
(Calculated) |
Room |
Room |
427 J/Kg-K |
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