ASTM B366 Hastelloy B3 Fittings: High-Performance Corrosion-Resistant Solutions
ASTM B366 Hastelloy B3 fittings are high-quality, corrosion-resistant components used in demanding industrial environments. Known for their excellent resistance to hydrochloric acid and their ability to withstand harsh environments, these fittings are vital for industries requiring robust material performance. Whether it’s the chemical processing industry or oil and gas sectors, B3 Hastelloy fittings play an essential role in ensuring safety and reliability in corrosive conditions.
What is ASTM B366 Hastelloy B3 Fittings?
ASTM B366 is a standard specification that covers wrought nickel and nickel alloy fittings. Specifically, ASTM B366 Hastelloy B3 fittings are made from Hastelloy B3, an advanced nickel-molybdenum alloy known for its exceptional resistance to hydrochloric acid at all concentrations and temperatures.
Hastelloy B3 also provides significant improvements in resistance to pitting, stress corrosion cracking, and knife-line attack compared to its predecessor, Hastelloy B2. These fittings are manufactured to provide an unparalleled combination of corrosion resistance and strength, making them ideal for use in chemical processing, petrochemicals, and other environments where corrosive media are present.
Key Properties of ASTM B366 B3 Hastelloy Fittings
ASTM B366 B3 Hastelloy fittings properties include the following:
- Corrosion Resistance: The primary characteristic of ASTM B366 Hastelloy B3 fittings is their excellent resistance to hydrochloric acid and other non-oxidizing acids. The fittings exhibit superior resistance to sulfuric, phosphoric, acetic, and formic acids.
- High-Temperature Stability: B3 Hastelloy fittings are designed to retain their strength and corrosion resistance even at elevated temperatures, making them suitable for harsh environments that require high-temperature stability.
- Resistance to Stress Corrosion Cracking: Thanks to the advanced metallurgy of Hastelloy B3, these fittings are highly resistant to stress corrosion cracking, which is a significant advantage in chloride-containing environments.
- Durability: The toughness and durability of Hastelloy ASTM B366 fittings allow them to perform reliably in high-pressure and high-stress environments, reducing the likelihood of failure and extending the life of the components.
- Weldability: ASTM B366 Hastelloy B3 fittings offer excellent weldability, enabling easy installation and maintenance in systems that require regular modifications or repairs.
Advantages of ASTM B366 B3 Hastelloy Fittings
Using ASTM B366 Hastelloy B3 fittings in industrial systems offers several key advantages:
- Enhanced Corrosion Resistance: The superior resistance to a wide variety of corrosive substances, particularly hydrochloric acid, makes these fittings ideal for industries dealing with aggressive chemicals.
- Longer Service Life: The durability and reliability of Hastelloy ASTM B366 fittings mean reduced downtime, lower maintenance costs, and extended operational life.
- High Resistance to Pitting and Cracking: These fittings significantly reduce the risk of localized corrosion, such as pitting or cracking, ensuring safe operation in harsh environments.
- Flexibility in Application: Whether it’s in high-temperature systems or systems exposed to highly corrosive media, ASTM B366 B3 Hastelloy fittings perform effectively, ensuring versatility across a wide range of industries.
- Global Standards Compliance: Being manufactured in accordance with ASTM B366 standards ensures that these fittings meet stringent international quality standards, providing consistency and reliability across projects worldwide.
- High Weldability: The excellent weldability of Hastelloy B3 simplifies the process of system assembly, installation, and repairs, reducing time and costs in the long term.
Schedule and Size Chart
| Size (NPS) | Outside Diameter (OD) | Wall Thickness (SCH 10) | Wall Thickness (SCH 40) | Wall Thickness (SCH 80) |
| 1/2″ | 21.3 mm | 2.77 mm | 3.73 mm | 4.78 mm |
| 3/4″ | 26.7 mm | 2.87 mm | 3.91 mm | 4.78 mm |
| 1″ | 33.4 mm | 3.38 mm | 4.55 mm | 6.35 mm |
| 1-1/2″ | 48.3 mm | 3.68 mm | 5.08 mm | 7.14 mm |
| 2″ | 60.3 mm | 3.91 mm | 5.54 mm | 8.74 mm |
| 3″ | 88.9 mm | 5.49 mm | 7.62 mm | 11.13 mm |
| 4″ | 114.3 mm | 6.02 mm | 8.56 mm | 13.49 mm |
| 6″ | 168.3 mm | 7.11 mm | 10.97 mm | 15.88 mm |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength (MPa) | 760 MPa (min) |
| Yield Strength (0.2% offset) | 310 MPa (min) |
| Elongation (% in 2 inches) | 40% (min) |
| Hardness | 230 HBW (max) |
Specifications Chart
| Specification | Details |
| Standard | ASTM B366 |
| Material | Hastelloy B3 |
| Fitting Type | Elbows, Tees, Reducers, Crosses, Caps |
| Size Range | 1/2” to 48” NPS |
| Schedule Range | SCH 10 to SCH 160 |
| Pressure Class | 150#, 300#, 600#, 900#, 1500#, 2500# |
| End Type | Butt Weld, Socket Weld, Threaded |
Chemical Composition Chart
| Element | Composition (%) |
| Nickel (Ni) | Balance |
| Molybdenum (Mo) | 28.5 – 30.5 |
| Iron (Fe) | 1.5 – 3.0 |
| Chromium (Cr) | 1.0 – 3.0 |
| Cobalt (Co) | 3.0 max |
| Tungsten (W) | 3.0 max |
| Manganese (Mn) | 3.0 max |
| Silicon (Si) | 0.10 max |
| Carbon (C) | 0.01 max |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.03 max |
Physical Properties Chart
| Property | Value |
| Density | 9.22 g/cm³ |
| Melting Range | 1370 – 1418°C |
| Thermal Conductivity | 7.5 W/m·K at 25°C |
| Specific Heat Capacity | 410 J/kg·K |
| Modulus of Elasticity | 205 GPa |
Applications Chart
| Industry | Application |
| Chemical Processing | Pipe systems handle hydrochloric acid, sulfuric acid, acetic acid, and formic acid. |
| Petrochemical Industry | High-temperature, high-corrosion environments such as oil refining and petrochemical plants. |
| Pharmaceutical Industry | Corrosion-resistant piping systems are used in the production of pharmaceuticals. |
| Power Generation | Systems exposed to high temperatures and corrosive materials in thermal and nuclear power plants. |
| Waste Treatment | Equipment used for the management and processing of hazardous waste. |
| Marine Industry | Components for offshore oil rigs, seawater cooling systems, and marine environments. |
ASTM B366 Hastelloy B3 Fittings Exporters and Suppliers
At ASC LLP, we are committed to providing high-quality B366 Hastelloy fittings to clients worldwide. As leading ASTM B366 Hastelloy B3 Fittings exporters and suppliers, we offer a comprehensive range of fittings that are precisely engineered to meet the specific needs of industries operating in harsh conditions.
We take pride in our:
- Quality Assurance: All our Hastelloy fittings ASTM B366 undergo rigorous quality checks to ensure they meet the highest industry standards.
- Competitive Pricing: Despite our premium quality offerings, we strive to offer the best prices to our customers, ensuring value for money.
- Timely Delivery: With a robust supply chain, we ensure on-time delivery to clients, minimizing delays and ensuring project timelines are met.
- Customer Support: Our team of experts is available to provide technical assistance, ensuring that you choose the right fittings for your application.
Global Reach
Amardeep Steel Centre boasts a robust global presence and is committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM B366 Hastelloy B3 Fittings. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
