Density: 8.89

Corrosion resistance

Hastelloy C276 Alloy can be used in many chemical processes with oxidizing and with reducing media. The high molybdenum and chromium contents render the alloy resistant to chloride ion attack. The tungsten content further increases this resistance. Hastelloy C276 Alloy is one of the few materials that is resistant to moist chlorine gas, hypochlorite and chlorine dioxide solutions. The alloy exhibits excellent resistance to concentrated solutions of oxidizing salts (such as iron (III) chloride and copper chloride).

Applications of Hastelloy c276:

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Hastelloy C276 Alloy finds wide application in the chemical and petrochemical industry, for components in organic processes containing chlorides, and for catalytic systems. This material is especially suitable for use in situations where hot, contaminated mineral acids, solutions and organic acids (such as formic and acetic acid) as well as sea water are encountered.

• Pulp and paper industry, e.g. for digestion and bleaching vessels

• Scrubbers and special reheaters as well as wet-operating fans for combustion and flue gas desulphurisation systems

• Equipment and components for sour-gas service

• Reactors for acetic acid production

• ulphuric acid coolers

• Methylene diphenyl isocyanate (MDI)

• Manufacture and processing of technically impure phosphoric acid

• Combustion-resistant alloy for high pressure oxygen applications

Chemical composition

	Ni	Cr	Fe	C	Mn	Si	Mo	W	Co	V	P	S
min(%)	bal.	14.5	4.0				15.0	3.0
max(%)		16.5	7.0	0.01	1.0	0.08	17.0	4.5	2.5	0.35	0.04	0.03

Mechanical properties

	Condition	Yield Strength(Mpa)	Tensile Strength(Mpa)	Elongation(%)	Hardness(HB)
ASTM Min Value	Solution Annealed	283	690	40
Typical Values at RT	Solution Annealed	402	794	60	195

International Specification Comparison chart

	Material	Round Bar	Sheet	Pipe
				Seamless	Welded
ASTM	UNS N10276	B574	B575	B622	B619/B626
ASME		SB574	SB575	SB622	SB619/SB626
JIS	NW0276	H4553	H4551	H4552
DIN	2.4819	17752	17750	17751	17751