Hastelloy B-3 Wrought nickel-base superalloy

Hastelloy B-3 Wrought nickel-base superalloy

Hastelloy B-3 alloy Equal material : NS3203, UNS N10675, 2.4600

Hastelloy B - 3 alloy is nickel molybdenum alloy as a new member of the family, it is for any temperature and concentration of hydrochloric acid has excellent corrosion resistance. At the same time it to sulfuric acid, acetic acid, formic acid, phosphoric acid and other oxidizing medium also has good corrosion resistance. And, because of its chemical composition adjustment, its thermal stability compared to the original hastelloy B - 2 alloy has improved significantly. To point B - 3 alloy corrosion, stress corrosion cracking, corrosion and welding heat affected zone, etc all have high corrosion resistance.

Hastelloy B-3 alloy Chemical composition

Hastelloy B-3	Ni Min	Mo	Cr	Fe	Co max	Mn max	W max	Al max	Ti max	Si max	C max
%	65	28.5	1.5	1.5	3	3	3	0.5	0.2	0.1	0.01

Hastelloy B-3 Application
HASTELLOY B - 3 alloy can be used in the previous 2 B is all purposes. As with B - 2 alloy, B - 3 is not recommended to trivalent iron salts and environment of the existence of bivalence copper salt, because these salt can quickly cause corrosion damage. When hydrochloric acid comes into contact with the iron and copper, will react to generate trivalent iron salts and bivalence copper salt.

Hastelloy B-3 alloy Specifications
Forgings, bar, sheet, strip, ring parts, wire, bolt, spring, such as negotiating supply, according to the customer request production

Hastelloy B-3 Heat treatment
Unless the customer special requirements, all HASTELLOY B - 3 alloy forgings are solid solution heat treatment state supply. B - the temperature of the alloy is 1065 ℃ and then quenched quickly. Sheet or wire for bright annealing, the heating temperature is 1150 ℃, then cooling in the hydrogen.

Hastelloy B-3 Physical properties
Hastelloy B-3 alloy density: 2.1 to 9.22 g/cm3
Hastelloy B-3 Melting point: 1418 degree
Hastelloy B-3 Hardness: 2.5 HB94

Hastelloy B-3 alloy Mechanical properties of the minimum 2.8

Alloy and state	Tensile strength Rm N/mm2	Yield strength RP0.2N/mm2	Elongation A5 %
Hastelloy B-3	690	310	40

Hastelloy B-3 Alloy has the following features:
1. The excellent corrosion resistance of reductive environment.
2. Excellent resistance to corrosive medium concentration of sulfuric acid and much non oxidizing acid.
3. Good resistance ability of various kinds of organic acid corrosion.

Hastelloy B-3 Scope of application areas are:
Hastelloy B-3 widely used in the chemical, petrochemical, energy production and has been widely used in pollution control areas, especially in the sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and other industries.

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