Hastelloy C-22
- UNS Number N06022
- Other common names: Alloy C22
- W.Nr. 2.4602
- UNS N08020
- ASME SB574, SB564, SB575, SB619, SB626, SB622
- ASTM B574, B564, B575, B619, B626, B622
The Ultimate in Performance and Resistance to Corrosion
With pride, Taashvi Special Alloys presents ALLOY-C276—a state-of-the-art alloy that raises the bar for performance and corrosion resistance in the industrial setting. Exhibiting an innovative and precise design, ALLOY-C276 is a tribute to Taashvi Special Alloys' dedication to quality.
This extraordinary alloy has a number of distinctive qualities that make it stand out:
01 Extraordinary Resistance to Corrosion: The unmatched resistance of ALLOY-C276 to a variety of corrosive conditions, such as strong acids, pitting, and crevice corrosion, is evident.
02 High Temperature Stability: Even in high-temperature applications, alloy C276 has outstanding thermal stability, maintaining its mechanical characteristics and structural integrity.
03 Versatile Application: This alloy's versatility and dependability in a range of conditions lead to its use in a number of industries, including pollution control and chemical processing.
04 Superior Weldability: Because of its superior weldability, ALLOY-C276 allows for greater design and construction freedom and streamlines the manufacturing process.
05 Outstanding Mechanical Properties: Because of its remarkable strength, hardness, and ductility, the alloy will last and function well in harsh circumstances.
06 Compliance with Industry Standards: Because ALLOY-C276 satisfies strict industry standards, it is the recommended option for crucial applications where dependability and quality are crucial.
In what forms is Alloy C276 Available at Taashvi Special Alloys?
- Sheet
- Plate
- Bar
- Pipe & Tube (welded & seamless)
- Fittings
- Forging
- Fasteners
- Elbows, tees, stub-ends, returns, caps, crosses, reducers, pipe nipples. etc.
- Welding Wire (AWS Classifications: ERNiCrMo-4 and ENiCrMo-4)
What are the characteristics of Alloy C276?
- 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 dioxide
Chemical Composition, %
| Ni | Mo | Cr | Fe | W | Co | Mn | C | V | P | S | Si |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Remainder | 15.0-17.0 | 14.5-16.5 | 4.0-7.0 | 3.0-4.5 | 2.5 max | 1.0 max | .01 max | .35 max | .04 max | .03 max | .08 max |
In what applications is Alloy C276 used?
- Pollution 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
ASTM Specifications
| Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate | Bar | Forging | Fitting |
|---|---|---|---|---|---|---|---|
| B622 | B619 | B622 | B626 | B575 | B574 | B564 | B366 |
Mechanical Properties
Typical Room Temperature Tensile Properties of Annealed Material
| Product Form | Tensile (ksi) | .2% Yield (ksi) | Elongation % |
|---|---|---|---|
| Bar | 110.0 | 52.6 | 62 |
| Plate | 107.4 | 50.3 | 67 |
| Sheet | 115.5 | 54.6 | 60 |
| Tube & Pipe | 105.4 | 45.4 | 70 |
Coil / Sheet /Plate Specification
Dimensions : ASTM, ASME, AISI, DIN, BIS
Thickness : 0.50mm - 100mm
Size : 1000 mm x 2000mm, 1220mm x 2440mm, 4' x 8', 1250mm x 2500mm, 1500mm x 3000mm to 6000mm, 2000mm x 4000mm to 6000mm
Finish : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form : Shim Sheet, Perforated Sheet, Profile Cut,
Seamless & Welded Pipes & Tubes Specification
Specification : ASTM, ASME, DIN, NFA, JIS.
Thickness : 4.0mm - 100mm.
Pipe Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Tube Size : 1/2" OD to 8" OD.
Length : Cut length, Fix length, Single Random, Double Random & Required Length.
Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pancake Coils, Hydraulic Tubes.
End : Plain End, Beveled End, Threaded End.
Type : Seamless & Welded Pipes & Tubes.
Round Bar Specification
Dimensions : ASTM, ASME,AISI, API.
Size : 5 mm to 500 mm
Length : from 2.00mm to 6.35mm (0.078" to 0.25") dia.
Finish : Bright, Black, Polish, Forged
Form : Round Bar, Square, Hexagon
Condition : Cold Drawn & Polished Cold Drawn, Centerless Ground Bars & Polished
Other Services : Machining (CNC), Centerless Grinding (CG), Heat Treatment, Annealing, Pickling, Polish, Rolling, Forging, Cutting, Bending, Minor Fabrication
Seamless & Welded Pipes & Tubes Fittings Specification
Specification : ASTM, ASME, DIN, NFA, JIS.
Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Form : Elbow, Tee, Reducer, Stub End, End Cap, Pipe Nipple, Weldolet,
End : Beveled End, Threaded. Plain End,
Type : Seamless & Welded Pipe & Tubes Fittings, Buttweld Fittings & Dairy Fittings.
