ASTM A403 WP347 Alloy Fittings: Premium Quality and Versatile Solutions
When it comes to high-performance alloy fittings, ASTM A403 WP347 Alloy Fittings stand out as a top choice in various industries. These fittings are designed to provide exceptional strength, durability, and resistance to harsh environments. In this guide, we’ll explore the key features, properties, advantages, and applications of ASTM A403 WP347 Alloy Fittings, and explain why they are a preferred choice for many industrial applications.
What is ASTM A403 WP347 Alloy Fittings?
ASTM A403 WP347 Alloy Fittings are a specific type of stainless steel fittings manufactured according to the ASTM A403 standard. This standard specifies the requirements for wrought austenitic stainless steel fittings used in high-temperature and corrosive environments. The WP347 grade is particularly notable for its inclusion of columbium (niobium), which enhances its resistance to carbide precipitation and improves its performance at elevated temperatures.
A403 Alloy fittings encompass various components such as elbows, tees, reducers, and caps that are used to connect and control the flow of fluids in piping systems. These fittings are engineered to meet stringent specifications and provide reliable performance in demanding conditions.
Properties of ASTM A403 WP347 Alloy Fittings
- Corrosion Resistance: One of the primary attributes of ASTM A403 WP347 Alloy Fittings is their excellent resistance to corrosion. The addition of columbium ensures enhanced resistance to intergranular corrosion, making these fittings suitable for use in acidic and corrosive environments.
- High-Temperature Stability: These fittings are designed to maintain their mechanical properties and structural integrity even at elevated temperatures. The columbium addition also helps in reducing the risk of carbide precipitation, which can compromise the material’s strength.
- Strength and Durability: ASTM A403 WP347 Alloy Fittings are known for their high tensile strength and durability. This makes them ideal for use in applications where high pressure and temperature are prevalent.
- Weldability: The alloy’s composition allows for excellent weldability, making it easier to fabricate and install fittings without compromising their performance.
- Chemical Composition: The chemical composition of ASTM A403 WP347 Alloy Fittings typically includes chromium, nickel, and columbium. This specific blend of elements contributes to the fitting’s overall strength and resistance properties.
Advantages of ASTM A403 WP347 Alloy Fittings
- Enhanced Corrosion Resistance: The primary advantage of ASTM A403 WP347 Alloy Fittings is their superior resistance to corrosion, especially in environments where intergranular corrosion is a concern. This feature extends the lifespan of the fittings and reduces maintenance costs.
- High-Temperature Performance: These fittings maintain their performance and structural integrity in high-temperature applications, which makes them suitable for industries such as petrochemical, power generation, and aerospace.
- Improved Weldability: The alloy’s composition ensures that it can be welded easily, which simplifies the installation process and allows for precise fabrication.
- Reduced Carbide Precipitation: The presence of columbium helps prevent the formation of carbides at grain boundaries during welding and high-temperature exposure, which could otherwise weaken the material.
- Versatility: ASTM A403 WP347 Alloy Fittings are versatile and can be used in a variety of industrial applications, including chemical processing, oil and gas, and water treatment.
- Durability: With their robust construction and resistance to both physical and chemical stresses, these fittings offer long-term durability, making them a cost-effective choice in the long run.
Schedule and Size Chart
| Schedule | Nominal Pipe Size (NPS) | Outside Diameter (OD) (inches) | Wall Thickness (inches) | Pressure Rating (psi) |
| 10 | 1/2 | 0.840 | 0.109 | 740 |
| 20 | 1/2 | 0.840 | 0.133 | 900 |
| 30 | 1 | 1.315 | 0.154 | 720 |
| 40 | 1 | 1.315 | 0.200 | 900 |
| 60 | 2 | 2.375 | 0.154 | 600 |
| 80 | 2 | 2.375 | 0.218 | 750 |
| 100 | 3 | 3.500 | 0.216 | 550 |
| 120 | 3 | 3.500 | 0.300 | 680 |
| 160 | 4 | 4.500 | 0.237 | 420 |
| 200 | 4 | 4.500 | 0.337 | 510 |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength | 75,000 psi (515 MPa) |
| Yield Strength | 30,000 psi (205 MPa) |
| Elongation | 30% |
| Hardness | 217 HB (Brinell) |
| Impact Toughness | 50 ft-lb at -50°F (-46°C) |
| Fatigue Strength | 40,000 psi (275 MPa) |
Specifications Chart
| Specification | Value |
| Standard | ASTM A403 |
| Grade | WP347 |
| Type | Fittings (Elbows, Tees, Reducers, Caps) |
| Form | Wrought |
| End Connection | Butt Weld, Socket Weld |
| Dimensions | As per ANSI/ASME B16.9/B16.28 |
Chemical Composition Chart
| Element | Percentage (%) |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | – |
| Columbium (Cb) / Niobium (Nb) | 10 x Cb + 4 x Ti ≤ 1.0 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
Physical Properties Chart
| Property | Value |
| Density | 8.0 g/cm³ (0.29 lb/in³) |
| Melting Point | 1398°C (2550°F) |
| Thermal Conductivity | 16.2 W/m·K |
| Specific Heat | 500 J/kg·K |
| Coefficient of Thermal Expansion | 16.0 x 10⁻⁶/K (0-100°C) |
Application Chart
| Application | Description |
| Chemical Processing | Used in pipelines and reactors where high corrosion resistance is needed. |
| Oil and Gas | Ideal for use in upstream and downstream processes due to high-temperature stability. |
| Power Generation | Utilized in power plants for handling steam and other high-temperature fluids. |
| Aerospace | Employed in aerospace components requiring high strength and heat resistance. |
| Water Treatment | Suitable for use in water treatment facilities where resistance to various conditions is essential. |
| Petrochemical Industry | Applied in the manufacture of petrochemical products where robustness and durability are required. |
A403 Alloy Fittings Exporters and Suppliers
When sourcing A403 Alloy fittings, it is crucial to choose reputable exporters and suppliers who adhere to industry standards and provide high-quality products. ASC LLP is a leading supplier and exporter of WP347 Alloy Fittings. We are committed to delivering products that meet rigorous quality standards and offer reliable performance.
Our team of experts ensures that every fitting is manufactured and tested according to ASTM A403 specifications. We provide a comprehensive range of alloy fittings suitable for various industrial applications, ensuring that our clients receive products that meet their exact requirements.
ASTM A403 WP347 Alloy Fittings are an essential component in many industrial applications due to their exceptional properties and advantages. Their superior corrosion resistance, high-temperature stability, and weldability make them a preferred choice for industries requiring reliable and durable fittings.
Global Reach
Amardeep Steel Centre boasts a robust global presence, 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 A403 WP347 Alloy 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.
