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Hastelloy C-276 N10276

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Hastelloy C-276(UNS N10276), which has a high nickel content, is immune to stress corrosion caused by chloride. The high content of molybdenum and chromium allows the alloy to work in oxidizing, non-oxidizing, and mixed acidic environments, making it resistant to corrosion and cracking attacks. The addition of tungsten prevents the formation of pores. Finally, C276 is suitable for outdoor use where cracking resistance due to hydrogen-sulfide stress corrosion is a must.




Origin of Product:

Hastelloy America/ SMC America/ VDM Germany / Metallurgy Japan



Standard:

ASTM B575/ASME SB-575, ASTM B574/ASME SB-574, ASTM B622/ASME SB-622, ASTM B619/ASME SB-619, ASTM B366/ASME SB-366, ASTM B564/ASME SB-564



Chemical Compositions:


%

Fe

Ni

Cr

C

Mn

Si

S

Cu

Mo

Co

P

W

MIN.

4.0

Surplus

14.5






15



3.0

MAX.

7.0

16.5

0.01

1.0

0.08

0.03

0.75

17

2.5

0.04

4.5







Physical Properties:


Density

8.9 g/cm3

Melting Point

1325-1370℃

Magnetism

None





Mechanical Properties:

Tensile Strength: σb ≥ 690Mpa

Yield Strength σb ≥ 275Mpa

Elongation: δ ≥ 40%

Hardness ≤ 100 (HRB)



Corrosion Resistance:

Hastelloy C-276 is a tungsten-containing nickel-chromium-molybdenum alloy with an extremely low silicon-carbon content and is considered to be the universal corrosion-resistant alloy. The alloy has the following properties:

(1) Excellent corrosion resistance to most corrosive media in both oxidising and reducing atmospheres.

(2) Excellent resistance to pitting, crevice corrosion and stress corrosion. The higher molybdenum and chromium content enables the alloy to resist chloride ion corrosion, and the tungsten element further improves corrosion resistance. At the same time, alloy C-276 is one of only a few materials that are resistant to corrosion by moist chlorine, hypochlorite and chlorine dioxide solutions, and has significant corrosion resistance to high concentrations of chloride salt solutions such as ferric chloride and copper chloride. Suitable for all concentrations of sulphuric acid solutions, it is one of the few materials that can be used in hot concentrated sulphuric acid solutions.



Application:

Power plant desulphurization and denitrification environmental protection, petrochemical equipment, coal chemical industry, fluorine chemical industry, fine chemical industry, PTA, aviation manufacturing, marine platform, seawater desalination, paper making machinery, pharmaceutical equipment, heat exchange equipment, electrochemistry, metallurgy, nuclear energy, chlor-alkali, shipbuilding, cement manufacturing, composite plates, acetic anhydride, salt production and plate heat exchangers, bellows expansion joints and other industries and products



Matching Welding Consumables:

ERNiCrMo-4 welding wire, ENiCrMo-4 welding rod, welding material sizes Φ1.0, 1.2, 2.4, 3.2, 4.0



Supply Style:

Plate, strip, bar, wire, forging, light bar, weld, flange, etc., can be processed according to the drawing


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