Hastelloy B3
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Hastelloy
Hastelloy Alloys – Extreme Corrosion Resistance for Aggressive Chemical Environments
XURUI offers a comprehensive selection of Hastelloy alloy products—including pipes, plates, bars, wires, strips, flanges, fittings, forgings, and customized components—covering all major grades across the C, B, G, and X series.
Hastelloy S Alloy UNS N06635 Bar
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Hastelloy G-35 Sheet
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What Is Hastelloy?
Hastelloy® is a trademarked family of nickel-based superalloys developed by Haynes International. These alloys are engineered to resist highly aggressive chemical media, such as: Hydrochloric acid, Sulfuric acid, Ferric chloride, Sodium hypochlorite, Acetic & phosphoric acids.
Its superior thermal stability, stress corrosion cracking resistance, and pitting resistance make it ideal for extreme conditions where stainless steel or lower alloys fail.
Popular Grades
- C-276 – Most versatile grade for oxidizing/reducing media
- C-22 – Higher resistance to oxidizing agents like nitric acid
- B-2 / B-3 – Excellent in hydrochloric and non-oxidizing acids
- X / G30 / G35 – Niche applications in fertilizer, pickling & heat exchangers
Optional Hastelloy Alloys Specifications
| Property | Details |
|---|---|
| Forms Available | Sheet, plate, rod, pipe, tube, wire, fittings, flanges |
| Grades | Hastelloy C-276, C-22, B-2, B-3, G-30, X, G-35 |
| Standard | ASTM B575 (sheet), B622 (pipe), B574 (bar), B619/B626 (welded tube) |
| Sheet Thickness | 0.5mm – 50mm |
| Bar Diameter | 6mm – 250mm |
| Pipe Sizes | 1/8" – 12" NPS / SCH 10–160 |
| Condition | Annealed, pickled, bright polished, rough turned |
Applications
- Chemical processing: reactors, heat exchangers, scrubbers
- Waste treatment and desulfurization (FGD) systems
- Pharmaceutical and biotech plants
- Pulp & paper bleaching systems
- Offshore & marine environments
- Pickling line equipment and fertilizer plants
Hastelloy—Which Alloys Are Used In Industry
Hastelloy B
Hastelloy B-2 and B-3 alloys are resistant to acid, reducing environments so tend to be selected for piping and valves where Hydrochloric and Sulphuric acids are chemicals that are used in the process plant. The acids can be handled in liquid or gaseous form. In a further advancement, Hybrid Hastelloy BC-1 is a new "Ni-Cr-Mo" alloy with superior resistance to hydrochloric and sulfuric acids, without the drawbacks of the Ni-Mo materials.
Hastelloy C-4
The C-4 alloy has high-temperature stability in the 1200-1900°F (650-1040°C) range as evidenced by good ductility and corrosion resistance. It possesses virtually the same corrosion resistance as alloy C-276.
Hastelloy C-22
C-22 has better overall corrosion resistance to oxidizing corrosives than C-4, C-276 and 625 alloys. This alloy is also considered to be the best choice as a universal weld filler metal to resist corrosion at any weld.
Hastelloy C-276
C-276 is a versatile, corrosion-resistant alloy, which makes it a frequently selected fabrication material in the petrochemical and other industries. All common methods of welding can be used due to the low carbon and silicon content. It has exceptional stress corrosion cracking resistance with high resistance to localized sulfide attack. Its main advantage over Inconel and Incoloy is that Hastelloy is easier to weld.
Processing & Packaging
Water jet, plasma or laser cutting
Pipe threading, grooving, welding (GTAW)
Surface pickling, brushing, mirror polishing
Wood box packaging with desiccant
ID barcode, heat number, test report per bundle or coil
Why Buy From mailongmetals?
- Full stock of Incoloy 800/825 pipe, sheet, bar & wire
- Cut-to-length, threading, CNC machining service
- Weldability guidance + filler suggestions (e.g., ERNiCrMo-3)
- Precision forging + solution annealing available
- Corrosion simulation & technical support
- Global supply network with fast dispatch
1. What are Incoloy alloys? −
Incoloy alloys are high-performance nickel–iron–chromium alloys designed for excellent corrosion resistance, high-temperature strength, and long-term durability in harsh industrial environments.
2. What industries commonly use Incoloy alloys? +
They are widely used in petrochemical plants, heat-treatment equipment, offshore oil and gas systems, power generation, aerospace components, and marine engineering.
3. How are Incoloy alloys different from Inconel alloys? +
Incoloy contains more iron, making it more cost-effective for high-temperature and corrosion-resistant applications, while Inconel provides higher strength at extreme temperatures.
4. What are the most popular grades of Incoloy? +
Common grades include Incoloy 800, 800H, 800HT, 825, 901, and 925, each offering specific resistance to oxidation, acids, stress corrosion, and elevated temperatures.
5. Can Incoloy alloys withstand high temperatures? +
Yes. Grades like Incoloy 800H/800HT perform exceptionally well between 600–1100°C, offering excellent structural stability and oxidation resistance.
6. Are Incoloy alloys resistant to acid corrosion? +
Incoloy 825 and 925 are specifically designed for resistance to sulfuric acid, phosphoric acid, seawater, and chloride-related corrosion.
7. What product forms are available for Incoloy alloys? +
They are available in plates, sheets, coils, bars, rods, wires, tubes, fittings, and customized machined parts.
8. Can Incoloy alloys be welded easily? +
Yes. Incoloy alloys generally have good weldability using TIG, MIG, or SMAW methods, though proper pre-cleaning and heat control are recommended.
9. Do Incoloy alloys require special heat treatment? +
Some grades require solution annealing or stabilization treatments to achieve optimal mechanical properties and corrosion resistance.
10. How do I select the right Incoloy grade for my project? +
Selection depends on operating temperature, chemical environment, mechanical load, and required corrosion resistance. Providing your application details helps engineers recommend the best grade.
Whether You're Building A Heat Exchanger, Chemical Reactor, Or Marine Component, XuRui Offers Top-Quality Incoloy Materials With Full Certification And Global Delivery.