Alloy B3 Seamless Pipes
Alloy B3 seamless pipe is a tubular product made from a nickel-molybdenum alloy known for its excellent resistance to hydrochloric acid, stress corrosion cracking, and pitting. These pipes are used in demanding chemical processing environments where superior corrosion resistance and high mechanical strength are essential. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd., based in Chon Buri, is a reliable manufacturer of Alloy B3 seamless pipes that meet international standards and diverse industrial needs. Our products are available in a variety of sizes and finishes, with both standard and custom options to suit specific applications. Backed by precision engineering, consistent quality, and timely delivery, we ensure seamless piping solutions that perform reliably even under the harshest conditions.
Understanding Alloy B3 Seamless Pipes
Alloy B3 Seamless Pipes, identified by DIN 2.4600 and UNS N10675, are high-performance alloy pipes primarily composed of Nickel and Molybdenum. These pipes feature a seamless structure, ensuring smooth internal surfaces and precise dimensional accuracy. Compliant with international standards like ASTM B622 and ASME SB622, they offer excellent physical properties such as a density of 8.89 g/cm³, a melting point of approximately 1370°C, and good thermal conductivity. Mechanical properties include a tensile strength of 550 MPa, yield strength of 240 MPa, and 40% elongation. Available in sizes ranging from 1/2 inch to 2 inches, with SCH 10, SCH 40, and SCH 80 schedules, these pipes come with surface finishes like bare, pickled, and polished. Manufacturing tolerances and standard tests, including hydrostatic and PMI tests, ensure their reliability in demanding industrial applications. Alloy B3 Seamless Pipes are engineered to meet stringent industry requirements for consistent performance.
Benefits of Alloy B3 Seamless Pipes in Industrial Use
Stress Corrosion Cracking Resistance
Alloy B3 pipes provide excellent resistance to stress corrosion cracking, making them reliable for industries dealing with high-stress environments and corrosive chemicals.
Pitting and Crevice Corrosion Resistance
These pipes are highly resistant to pitting and crevice corrosion, ensuring longevity and minimising maintenance requirements in challenging environments.
High Strength and Fabricability
With exceptional strength and ease of fabrication, Alloy B3 pipes are suited for custom applications and can withstand heavy mechanical stresses.
Performance at Elevated Temperatures
They maintain their integrity and performance even in high-temperature environments, making them suitable for applications involving heat and thermal cycles.
Durability in Harsh Environments
Whether exposed to extreme chemicals or harsh conditions, Alloy B3 pipes provide long-lasting durability and consistent performance.
Versatility Under Extreme Pressure
These pipes are engineered to handle extreme pressure conditions, offering versatile solutions across a variety of demanding industrial applications.
Why Choose Our Alloy B3 Seamless Pipes?
We are dedicated to providing high-quality Alloy B3 Seamless Pipes that exceed industry standards. With a focus on innovation, attention to detail, and customer satisfaction, we ensure that our pipes offer reliable performance for a wide range of applications. Our consistent supply, along with our commitment to meeting customer needs, makes us a trusted choice for high-performance piping solutions.
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Delivery
Custom Sizes & Special Orders
Industry Certifications & Compliance
Premium Materials & Strict Quality Control
After-Sales Support & Service
In-House Testing & Full Traceability
Alloy B3 Seamless Pipes Specifications
| Specifications | ASTM B622 / ASME SB622 |
|---|---|
| Dimensions | ASTM, ASME and API |
| Size | 15″NB TO 150″NB IN |
| Specialized in | Large Diameter Size |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Type | Seamless |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
Equivalent Grades for B3 Alloy Pipes
Equivalent Grades for B3 Alloy Pipes
The following table outlines the equivalent grades of Alloy B3, offering a comparison to similar materials across different standards. This helps in understanding the interchangeability and compatibility of Alloy B3 with other alloys.
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| Alloy B3 | N010675 | 2.4600 |
Chemical Composition of Alloy B3 Seamless Pipes
Chemical Composition of Alloy B3 Seamless Pipes
The detailed table of the chemical composition of Alloy B3 Seamless Pipe shows elements like Nickel, Molybdenum, and others.
| Grade | Ni | Cr | Mo | Fe | W | C | Si | Co | Mn | V | P | Ti | Cu | Al | Zr | Cb(Nb) | Ta | Ni+Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N10675 | ≥65.00 | 1.00–3.00 | 27.00–32.00 | 1.00–3.00 | ≤3.00 | ≤0.01 | ≤0.10 | ≤3.00 | ≤3.00 | ≤0.20 | ≤0.03 | ≤0.20 | ≤0.20 | ≤0.50 | ≤0.10 | ≤0.20 | ≤0.20 | 94.00–98.00 |
Mechanical Properties of Alloy B3 Seamless Pipes
Mechanical Properties of Alloy B3 Seamless Pipes
This mechanical table lists the key properties of Alloy B3 Seamless Pipes, such as tensile strength, yield strength, and elongation.
| Condition & Size | Tensile Strength | Yield Strength (0.2% Offset) |
Elongation | Reduction of Area | Hardness |
|---|---|---|---|---|---|
| MPa, min | MPa, min | %, min | %, min | Rockwell | |
| All | 760 | 350 | 40 | ... | ... |
Physical Properties of Alloy B3 Seamless Pipes
Physical Properties of Alloy B3 Seamless Pipes
The table below provides the physical properties of Alloy B3 Seamless Pipes, including its density, melting point, and thermal conductivity, essential for evaluating its suitability for industrial uses.
| Density | g/cm3 | 9.22 | |
|---|---|---|---|
| lb/in.3 | 0.333 | ||
| Melting Range | °F | 2500 - 2585 | |
| °C | 1370 - 1418 | ||
Manufacturing Process of Alloy B3 Seamless Pipes
1. Raw Material Selection
High-quality alloy billets and strips are carefully selected for superior strength and corrosion resistance.
2. Pipes Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working & Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of Alloy B3 Seamless Pipes
Chemical and Petrochemical Industry
Oil and Gas Industry
Pharmaceutical & Biotechnology
Power Generation & Heat Exchange
Marine & Shipbuilding
Automotive & Transportation
Water Treatment & Plumbing
Construction & Infrastructure
Aerospace & Defense
FAQ's
What makes Alloy B3 Seamless Pipes superior to conventional stainless steel pipes?
What makes Alloy B3 Seamless Pipes superior to conventional stainless steel pipes?
Alloy B3 Seamless Pipes are superior because of their exceptional resistance to non-oxidizing acids, such as hydrochloric and sulfuric acids. Conventional stainless steels fail rapidly in these reducing chemical environments. The high molybdenum and nickel content in B3 provides a level of corrosion resistance that stainless steel cannot match.
What is B3 material?
What is B3 material?
B3 material is a high-performance, nickel-molybdenum alloy designated as UNS N10675. It is part of the Alloy family. B3 is specifically designed to resist attack by strong, non-oxidizing acids. It offers excellent thermal stability and is a significant improvement over earlier B-series alloys.
What industries most commonly use Alloy B3 Seamless Pipes?
What industries most commonly use Alloy B3 Seamless Pipes?
Industries that handle highly corrosive reducing acids most commonly use Alloy B3 Seamless Pipes. These include the chemical processing industry (CPI) for producing organic and inorganic chemicals. It is also important in the pharmaceutical sector and in processes involving high concentrations of hydrochloric, sulfuric, and phosphoric acids.
What is Alloy B3 used for?
What is Alloy B3 used for?
Alloy B3 is used to fabricate critical equipment like reactor vessels, heat exchangers, pumps and piping systems. Its purpose is to safely contain and transport extremely corrosive reducing chemicals across a wide range of temperatures and concentrations. Its key use is ensuring material integrity in aggressive acidic processes.
How do Alloy B3 Seamless Pipes perform at high temperatures?
How do Alloy B3 Seamless Pipes perform at high temperatures?
Our seamless pipes offer excellent thermal stability at high temperatures. The alloy is engineered to resist the formation of unwanted phases and brittle precipitates when exposed to heat. Which means alloy B3 maintains its ductility and corrosion resistance even after long periods of service at elevated temperatures.
What is the composition of Alloy B3?
What is the composition of Alloy B3?
The composition of Alloy B3 is primarily nickel (around 65% minimum) and molybdenum (28% to 32%). It has controlled, very low levels of iron, chromium, and carbon. This balance gives B3 its characteristic superior resistance to reducing acids and its improved thermal stability.
Why should you choose Alloy B3 Seamless Pipes over other nickel alloys?
Why should you choose Alloy B3 Seamless Pipes over other nickel alloys?
You should choose Alloy B3 Seamless Pipes when the environment is strongly reducing and acidic. While other nickel alloys like C-types handle both oxidizing and reducing conditions, B3 is specifically optimized for reducing acids. Its enhanced thermal stability and ductility make it a reliable choice for severe service piping.
What is the difference between Alloy B2 and B3?
What is the difference between Alloy B2 and B3?
The key difference is B3 enhances thermal stability and improved ductility. B3 has a carefully adjusted composition, particularly with lower iron and controlled chromium levels to better prevent material embrittlement during welding. This makes B3 much more forgiving and easier to fabricate than its predecessor B2.