ASTM B619 Hastelloy B2 Welded Pipes Supplier and Exporter | UNS N10665, NW0665 & DIN 2.4617 | Leoscor Alloy Pipes
Hastelloy B2 Welded Pipes are nickel-molybdenum alloy pipes designed for applications requiring excellent resistance against hydrochloric acid and other highly corrosive chemical environments. These pipes provide reliable performance where resistance to pitting, crevice corrosion, and stress corrosion cracking is required.
Leoscor Alloy Pipes is a trusted manufacturer, stockist, supplier, and exporter of ASTM B619 Hastelloy B2 Welded Pipes, offering high-quality welded pipe solutions with customized dimensions, accurate specifications, and inspection support for critical industrial applications.
Hastelloy B2 Welded Pipes are nickel-based alloy pipes containing a high percentage of molybdenum, which provides excellent resistance to reducing acids, especially hydrochloric acid. These pipes are suitable for severe chemical environments where conventional stainless steel materials may not provide adequate corrosion resistance.
ASTM B619 Hastelloy B2 Welded Pipes are manufactured using welded fabrication processes and are available in different sizes, wall thicknesses, lengths, and specifications according to customer requirements.
These pipes are supplied in various shapes including round, square, rectangular, hexagonal, and customized forms.
The grade is internationally identified through different material designations including UNS N10665 Welded Pipes, NW0665 Welded Pipes, and DIN 2.4617 Welded Pipes.

Equivalent Names of Hastelloy B2 Welded Pipes
| Equivalent Name | Standard / Country | Explanation |
|---|---|---|
| UNS N10665 Welded Pipes | USA (Unified Numbering System) | Material designation used for Hastelloy B2 Welded Pipes. |
| NW0665 Welded Pipes | Japan (JIS Comparable Standard) | Comparable Japanese designation for Hastelloy B2 Welded Pipes. |
| DIN 2.4617 Welded Pipes | Germany / Europe (DIN Standard) | Material number used for Hastelloy B2 Welded Pipes. |
Key Features of Hastelloy B2 Welded Pipes
- Excellent resistance to hydrochloric acid
- High resistance to reducing chemical environments
- Good ductility
- Good weldability and fabrication properties
- Excellent resistance to pitting and stress corrosion cracking
- Long service life in corrosive applications
ASTM B619 Hastelloy B2 Welded Pipe Specifications
Standard specifications for ASTM B619 Hastelloy B2 Pipe. If any specification is not mentioned here, you can contact us. We also manufacture and export custom specifications as per client’s requirements.
| Specifications | Details |
|---|---|
| Specifications | ASTM B619 / ASME SB619 |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″ NB to 30″ NB |
| Specialized In | Large Diameter Size |
| Type | ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Pipes |
| Schedule | SCH 20, SCH 30, SCH 40, STD, SCH 80, XS, SCH 60, SCH 80, SCH 120, SCH 140, SCH 160, XXS |
Hastelloy B2 ASTM B619 Welded Pipe - Industries & Applications
Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:
- Gas Processing Industries
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Chemical Industries
- Oil & Gas Industries
- Fertilizers Industries
- Sugar Industries
Types of ASTM B619 Hastelloy B2 Welded Pipe
| Hastelloy Alloy B2 ASTM B619 Welded Pipe | Hastelloy ASTM B619 Welded Pipe |
| Hastelloy B2 B619 Welded Pipe | Hastelloy Alloy B2 ASTM B619 ERW Pipe |
| Hastelloy ASTM B619 ERW Pipe | Hastelloy B2 B619 ERW Pipe |
| Hastelloy Alloy B2 ASTM B619 Fabricated Pipe | Hastelloy ASTM B619 Fabricated Pipe |
| Hastelloy B2 B619 Fabricated Pipe | Hastelloy Alloy B2 ASTM B619 LSAW Pipe |
| Hastelloy ASTM B619 LSAW Pipe | Hastelloy B2 B619 LSAW Pipe |
| Hastelloy B2 B619 Pipe | Hastelloy Alloy ASTM B619 Pipes |
| Hastelloy Alloy UNS N10665 Pipes | Hastelloy DIN 2.4617 Pipe |
Hastelloy B2 ASTM B619 Welded Pipe Chemical Composition
| Grade | ASTM B619 Hastelloy B2 | |
|---|---|---|
| min | max | |
| C | – | 0.02 |
| Mn | – | 1.0 |
| Si | – | 0.1 |
| P | – | 0.04 |
| S | – | 0.03 |
| Mo | 26.0 | 30.0 |
| Ni | Balance | Balance |
| Cr | – | 1.0 |
| Fe | – | 2.0 |
| Co | – | 1.0 |
ASTM B619 Hastelloy B2 Welded Pipe Mechanical Properties
| Grade | ASTM B619 Hastelloy B2 | |
|---|---|---|
| Tensile Strength (MPa) min | Psi – 110000 , MPa – 760 | |
| Yield Strength 0.2% Proof (MPa) min | Psi – 51000 , MPa – 350 | |
| Elongation (% in 50mm) min | 40% | |
ASTM B619 Welded Pipe Physical Properties
| Grade | ASTM B619 Hastelloy B2 | |
|---|---|---|
| Density | 9.2 g/cm3 | |
| Melting Point | 1370 °C (2500 °F) | |
Hastelloy ASTM B619 B2 Welded Pipe Equivalent Grades
| Grade | ASTM B619 Hastelloy B2 | |
| UNS No | N10665 | |
| Old British | BS | – |
| En | – | |
| Euronorm | No | 2.4617 |
| AFNOR | – | |
| Japanese JIS | – | |
| OR | – | |
| GOST | – | |
Hastelloy B2 Welded Pipe Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for ASTM B619 Hastelloy B2 Pipe are very competitive.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Leoscor Alloys maintains a stock of all standard items and can export them at best price for Nickel Alloy ASTM B619 Hastelloy B2 Seamless and Welded Pipes.
ASTM B619 Hastelloy B2 Welded Pipe Stock Availability
We maintain huge inventories of all standard sizes and grades. Please send us your complete requirement and we will send you the availability with the best quote for ASTM B619 Hastelloy B2 Pipe.
Why Buy ASTM B619 Hastelloy B2 Welded Pipe from Leoscor Alloys
Leoscor Alloys is a leading stockist, distributor, and supplier of ASTM B619 Hastelloy B2 from India. With more than three decades of experience, we understand the steel industry deeply. We have huge experience of supplying to all major industries across the world. Our team of dedicated experts with stringent quality policy ensures that we supply best-in-class products meeting and exceeding our client’s expectations. Below are a few quick points about why buying from Leoscor Alloys will give you an undue advantage:
- Huge inventory of all standard sizes and grades.
- Distributors of all reputed origins and manufacturers.
- Strict quality control policies and highly experienced team.
- Strong logistics & delivery channels.
- Modern Infrastructure with huge storage capacity.
- An ISO 9000:2015 Certified Company.
Prominent Countries where we export ASTM B619 Hastelloy B2 Pipe
Exporting Pipes & Tubes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, South Korea, South Africa, Sri Lanka, Syria, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.
We are one of the top:
- Pipes exporters to Singapore
- Pipes exporters to Malaysia
- Pipes exporters to Hongkong
- Pipes exporters to Thailand
- Pipes exporters to Indonesia
- Pipes exporters to Taiwan









