High quality Nickel alloy Hastelloy C276 HC-276 C22 B2 B3 wire

Hastelloy has good sulfidation resistance and high metallurgical stability, which makes it preferable material for high-temperature applications of thermal energy storing and electricity generating devices such as gas turbines.

Products Details

Density 8.9 g/cm³
Melting point 1325-1370 °C

Item

HC-276

C-22

C-4

B2

B3

N

C

≤0.01

≤0.015

≤0.015

≤0.02

≤0.01

0.04-0.08

Mn

≤1

≤0.5

≤1

≤1

≤3

≤1

Fe

4-7

2-6

≤3

≤2

≤1.5

≤5

P

≤0.04

≤0.02

≤0.04

≤0.04

--

≤0.015

S

≤0.03

≤0.02

≤0.03

≤0.03

--

≤0.02

Si

≤0.08

≤0.08

≤0.08

≤0.1

≤0.1

≤1

Ni

rest

rest

rest

rest

≤65

rest

Co

≤2.5

≤2.5

≤2

≤1

≤3

≤0.2

Ti+Cu

--

--

≤0.7

--

≤0.4

≤0.35

Al+Ti

--

--

--

--

≤0.5

≤0.5

Cr

14.5-16.5

20-22.5

14-18

≤1

≤1.5

6-8

Mo

15-17

12.5-14.5

14-17

26-30

≤28.5

15-18

B

--

--

--

--

--

≤0.01

W

3-4.5

2.5-3.5

--

--

≤3

≤0.5

V

≤0.35

≤0.35

--

0.2-0.4

--

≤0.5

Hastelloy has good sulfidation resistance and high metallurgical stability, which makes it preferable material for high-temperature applications of thermal energy storing and electricity generating devices such as gas turbines. In addition, it has low cycle fatigue resistance superior to that of most solid solution-strengthened alloys and it has a very good resistance to hot corrosion. The alloy is used to manufacture high-temperature gas path components such as turbine combustors, flame holders, liners, pressure vessels of some nuclear reactors, chemical reactors, and pipes/valves in the chemical industry. Several surface treatment techniques are available to improve the surface properties of metallic alloys; however, laser treatment is considered to be one of the preferable techniques with improved performance as compared to conventional methods in terms of chemical cleanliness, thermal penetration, and surface profile.

Alloy status

Tensile strength

 Rm N/mm²

Yield strength

RP0.2 N/mm²

Elongation

 A5 %

Solution treatment

690

283

40

Excellent corrosion resistance in reducing environments Exceptional resistance to strong solutions of oxidizing salts, such as ferric and cupric chlorides High nickel and molybdenum contents providing good corrosion resistance in reducing environments Low carbon content which minimizes grain-boundary carbide precipitation during welding to maintain resistance to corrosion in heat-affected zones of welded joints Resistance to localized corrosion such as pitting and stress-corrosion cracking One of few materials to withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxidePollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings Flue gas desulfurization systems Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping Sour gas wells Pulp and paper production Waste treatment Pharmaceutical and food processing equipment•Sheet •Plate •Pipe & Tube (welded and seamless) •Wire •Fittings, forgings, flange •bar

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