Product Overview –Hastelloy B3 Pipes
Hastelloy B3 Pipes, are advanced nickel-molybdenum alloy pipes developed as an improved successor to Hastelloy B2. They offer exceptional resistance to hydrochloric acid and other highly reducing chemical environments while providing significantly better thermal stability, improved fabrication characteristics, and enhanced resistance to stress corrosion cracking. These improvements reduce the formation of brittle phases during welding and heat treatment, making Hastelloy B3 one of the most reliable nickel alloys for demanding chemical processing applications.
Compared to Hastelloy B2, Hastelloy B3 provides superior structural stability during fabrication and long-term service without compromising its outstanding corrosion resistance. The alloy performs exceptionally well in hydrochloric acid, sulfuric acid, phosphoric acid, acetic acid, formic acid, and other non-oxidizing chemicals, making it suitable for highly corrosive industrial environments where reliability is critical.
Industrial buyers, EPC contractors, and engineers frequently search for Hastelloy B3 Pipes Supplier, UNS N10675 Pipes, ASTM B622 Pipes, ASTM B619 Welded Pipes, Nickel Alloy B3 Pipes, Hydrochloric Acid Resistant Pipes, Chemical Processing Pipes, Corrosion Resistant Nickel Alloy Pipes, Hastelloy B3 Pipe Price, Buy Hastelloy B3 Pipes, Seamless Hastelloy B3 Pipes, Welded Hastelloy B3 Pipes, Hastelloy Pipe UAE, and Hastelloy Pipe Saudi Arabia.
As a trusted supplier, exporter, and stockist of Hastelloy B3 Pipes,we serve customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, India, Africa, Europe, and Southeast Asia, delivering quality products, competitive pricing, and reliable logistics for industrial and infrastructure projects.
Material Specification -Hastelloy B3 Pipes
Technical Specifications –Hastelloy B3 Pipes
| Outside Diameter: | ½" NB to 24" NB |
| Wall Thickness: | SCH 5 to SCH XXS |
| Length: | Single Random, Double Random & Custom Length |
| Pipe Ends: | Plain End, Bevel End, Threaded |
| Product Type | Seamless, Welded & ERW Pipes |
| Surface Finish: | Annealed, Pickled, Bright Annealed, Polished |
| ASTM Seamless: | ASTM B622 |
| ASTM Welded: | ASTM B619 |
| Alloy Family: | Nickel-Molybdenum Alloy |
| Available Sizes: | ½",¾",1",1¼",1½",2",2½",3",4",5",6",8",10",12",14",16",18",20"24" |
Custom lengths and project-specific sizes are available on request.
Third Party Inspection Available
All specifications are in accordance of Hastelloy B3 . Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition –Hastelloy B3 Pipes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Nickel (Ni): | Balance |
| Chromium (Cr) | ≤1.0–3.0% |
| Molybdenum (Mo): | 28.5–31.5% |
| Cobalt (Co) | ≤3.0% |
| Iron (Fe) | 1.0–3.0% |
| Carbon (C) | ≤0.01% |
| Manganese (Mn) | ≤3.0% |
| Silicon (Si) | ≤0.10% |
| Phosphorus (P) | ≤0.03% |
| Sulphur (S) | ≤0.01% |
| Copper (Cu) | ≤0.20 |
Note: The high molybdenum content and extremely low carbon level provide exceptional resistance to hydrochloric acid and reducing chemicals while improving thermal stability and minimizing the formation of harmful intermetallic phases during fabrication and service.
Mechanical Properties of Hastelloy B3 Pipes
| Property | Value (Min) |
|---|---|
| Yield Strength (0.2%) | ≥310 MPa |
| Tensile Strength | ≥690 MPa |
| Elongation | ≥45% |
| Melting Point | 1370–1418°C |
| Density | 9.22 g/cm³ |
| Hardness | ≤100 HRB |
| Modulus of Elasticity | 211 GPa |
Note :Hastelloy B3 combines high strength, excellent ductility, and outstanding corrosion resistance with improved thermal stability compared to Hastelloy B2, making it suitable for long-term service in highly corrosive process industries.
Why Choose Hastelloy B3 Pipes?
Applications of Hastelloy B3 Pipes
Where Hastelloy B3 Pipes are used:
- 🔸Chemical Processing Equipment
- 🔸Acid Transfer Pipelines
- 🔸Offshore Equipment
- 🔸Heat Exchangers
- 🔸High Pressure Piping
- 🔸Pressure Vessels
- 🔸Mining Equipment
- 🔸Furnace Components
- 🔸Decorative Steel Projects
Understanding Stainless Steel Grades ?
have a look what experts says !
Key Advantages of Hastelloy B3 Pipes
Best Alternatives to Hastelloy B3 Pipes
- This process provides:
- 🔸 Better oxidation resistance
- 🔸 Excellent resistance to mixed chemical environments
- 🔸 Outstanding pitting resistance
Best for:Chemical processing and pharmaceutical plants.
- 🔸 Excellent reducing acid resistance
- 🔸 Proven performance in hydrochloric acid
- 🔸 Economical for established process systems
Best for: Traditional chemical processing plants.
- 🔸 Excellent resistance to both oxidizing and reducing environments
- 🔸 Superior pitting and crevice corrosion resistance
- 🔸 Better versatility across mixed chemical processes
Best for: Offshore, petrochemical, and multi-chemical processing plants.