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Hastelloy C276 UNS N10276 2.4819 Nickel Alloy

Hastelloy C276 UNS N10276 2.4819 Nickel Alloy

Hastelloy C276 UNS N10276 2.4819 Nickel Alloy

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Hastelloy C276 UNS N10276 2.4819 Nickel Alloy







Chemical Composition


Alloy ％ Ni Cr Mo Fe W
 		Co C Mn Si V P S
Hastelloy C
 Min Bal 14.5 15 4 3






Hastelloy C
 Max
16.5 17 7 4.5 2.5 0.08 1.0 1.0 0.35 0.04 0.03
Hastelloy C276
 Min Bal 14.5 15 4 3






Hastelloy C276
 Max
16.5 17 7 4.5 2.5 0.01 1.0 0.08 0.35 0.04 0.03


Physical properties


■Characteristic



Tensile strength
Rm N/mm²
 Yield Strength (0.2％ offset)
Rp0.2N/mm²
 Elongation
A5 ％
 Density
 Melting point
(℃)
690
 283 45
 8.9g/cm³
 1325-1370

Executive Standard


Sheet/Strip Seamless Tube
 Welded pipe
 Bar Forgings
ASTM B575
ASME SB575 		ASTM B622
ASME SB622 		ASTM B619/B626
ASME SB619/SB626
 ASTM B574
ASME SB474 		ASTM B564
ASME SB564

Features


1, Excellent corrosion resistance to most corrosive media in the oxidized and reduced state.
2, Excellent resistance to pitting, crevice corrosion and stress corrosion cracking.

Corrosion Resistance


C276 alloy is suitable for a variety of chemical process industries containing oxidation and reduction media. The higher molybdenum and chromium contents make the alloy resistant to chloride ions, and the tungsten element further enhances its corrosion resistance. One of the only materials in C276 that is resistant to the corrosion of moist chlorine, hypochlorite and chlorine dioxide solutions. The alloy has significant corrosion resistance to high concentrations of chloride solutions (eg ferric chloride and chlorine). Copper).

Applications


C276 alloys are widely used in the chemical and petrochemical industries, such as in the contact with chloride-containing organic components and catalytic systems. This material is especially suitable for use in high temperature, inorganic acids mixed with impurities and organic acids such as formic acid and acetic acid, and in seawater corrosive environments.

1, Pulp and paper industry, such as digestion and bleaching containers
2, Washing tower, reheater, wet steam fan, etc. in the FGD system
3, Equipment and components operating in an acid gas environment
4, Reactor for acetic acid and acidic products
5, Sulfuric acid condenser
6, Methylene diphenyl isocyanuric acid
7, Production and processing of impure phosphoric acid