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
Increasing Corrosion Resistance to Never-Before-Seen Levels
The revolutionary alloy ALLOY-C22 from Taashvi Special Alloys raises the bar for corrosion resistance in the field of materials engineering. This cutting-edge alloy is proof of Taashvi's dedication to quality and invention; it is renowned for its outstanding performance in challenging conditions.
Among the many important qualities that differentiate ALLOY-C22 in the market are the following:
01 Superior Corrosion Resistance: A broad variety of corrosive media, including oxidizing and reducing conditions, are exceptionally resistant to alloy C22.
02 High Temperature Stability: The alloy is appropriate for demanding applications because it maintains its structural integrity and performance at high temperatures.
03 Adaptability: Due to its extreme versatility, ALLOY-C22 is used in a wide range of industries, including medicine, pollution control, and chemical processing.
04 Exceptional Weldability: Because of the alloy's excellent weldability, fabrication is made easier, and production processes are made more efficient.
05 Durability: Due in part to its strong composition, ALLOY-C22 has a longer service life and requires less maintenance.
06 Wide Range of Forms: Taashvi Special Alloys provides flexibility for a range of applications, including pipes, tubes, sheets, and plates. Taashvi Special Alloys offers ALLOY-C22 in multiple forms.
In what forms is Alloy C22 Available at Taashvi Special Alloys?
- Sheet
- Plate
- Bar
- Pipe & Tube (welded & seamless)
- Flanges
- Fittings
- Forging
- Fasteners
- Elbows, tees, stub-ends, returns, caps, crosses, reducers, pipe nipples, etc.
- Welding Wire (AWS Classifications: ER320LR and E320LR-16)
What are the characteristics of Alloy C22?
- Resistant to pitting, crevice corrosion and stress corrosion cracking
- Outstanding resistance to both reducing and oxidizing media
- Excellent resistance to oxidizing aqueous media
- Exceptional resistance to a wide variety of chemical process environments including strong oxidizers such as ferric acids, acetic anhydride, and seawater and brine solutions
- Resists the formation of grain-boundary precipitates in the weld heat-affected zone
- Excellent weldability
Chemical Composition, %
| C | Cr | Co | Fe | Mn | Mo | Ni | P | Si | S | W | V |
|---|---|---|---|---|---|---|---|---|---|---|---|
| .010 max | 20-22.5 | 2.5 max | 2.0-6.0 | .50 max | 12.5-14.5 | Balance | .02 max | .08 max | .02 max | 2.5-3. | .35 max |
In what applications is Alloy C22 used?
- Pharmaceutical industries use alloy C-22 fittings and tubing to avoid contamination caused by corrosion related failures
- Cellophane manufacturing
- Chlorination systems
- Pesticide production
- Incineration scrubber systems
- Chemical process industry in equipment like flue gas scrubbers, chlorination systems, sulfur dioxide scrubbers, pulp and paper bleach plants, pickling systems, and nuclear fuel reprocessing
- Waste water processing
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 % | Hardness (HRb) |
|---|---|---|---|---|
| Plate (.25”-1.75”) | 112 | 53 | 62 | 89 |
| Sheet (.038”-.15”) | 122 | 63 | 54 | 93 |
| Bar (.50”-5.50”) | 115 | 55 | 60 | 89 |
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.
