- What is Buttweld Fittings?
- Specifications of Buttweld Fittings
- Mechanical Specification of Stainless Steel 316 Buttweld Fittings
- How Stainless Steel 316 Benefits the Quality of Buttweld Fittings
- Types of Stainless Steel SS 316/316L Buttweld Fittings
- SS 316 / 316L Pipe Fittings Chemical Composition
- Stainless Steel 316 / 316L Buttweld Fittings Mechanical Properties
- Equivalent Grades for 316 / 316L Stainless Steel Pipe Fitting
- Types of Buttweld Fittings
- Applications of Buttweld Fittings
- Why shivalik is the Best Manufacturer and Supplier of Buttweld Fittings
SS 316 Buttweld Fittings
What is Buttweld Fittings?
Buttweld fittings are a type of pipe fitting that is welded to the ends of pipes to create a strong and reliable connection. They are specifically designed for butt welding, a welding technique where the ends of the pipes and fittings are aligned and welded together. This process ensures a seamless joint with no protrusions or discontinuities, resulting in a smooth inner surface for uninterrupted flow.
Buttweld fittings offer several advantages:
Strength and Durability: The butt welding technique used in buttweld fittings provides a robust and long-lasting connection. The welded joint has the same strength as the pipes themselves, ensuring the integrity and reliability of the piping system.
Leak Resistance: The seamless welded joint in buttweld fittings eliminates the potential for leaks, making them suitable for applications requiring a tight and leak-proof seal. This is especially important in industries where fluid or gas leakage can lead to safety hazards or loss of product.
Smooth Flow Characteristics: Buttweld fittings create a smooth, uninterrupted flow path within the piping system. The absence of protrusions or internal crevices minimizes pressure drop and turbulence, allowing for efficient fluid or gas transport.
Compatibility: Buttweld fittings are compatible with various pipe materials and can be used with pipes made from metals such as stainless steel, carbon steel, and alloy steel, as well as non-metallic materials like PVC and HDPE.
Applications of Buttweld Fittings
- Oil and Gas: Buttweld fittings are extensively used in oil refineries, petrochemical plants, and offshore platforms for the transportation and control of oil, gas, and related products.
- Chemical and Petrochemical: They find applications in chemical processing plants, where the handling of corrosive chemicals and aggressive fluids requires a reliable and leak-free piping system.
- Power Generation: Buttweld fittings are utilized in power plants, including thermal, nuclear, and renewable energy facilities, for the distribution and control of fluids and gases.
- Pharmaceutical and Food Processing: The hygienic properties of buttweld fittings make them suitable for industries that require sanitary conditions, such as pharmaceutical manufacturing and food processing.
- Water and Wastewater Treatment: Buttweld fittings are used in water treatment plants, sewage systems, and desalination plants for the distribution and control of water and wastewater.
- Construction and Infrastructure: They are employed in building construction, infrastructure projects, and HVAC systems for the efficient and reliable conveyance of fluids and gases.
Specifications of Buttweld Fittings
| Specifications | ASTM A403/ ASME SA403 |
| Size | 1/8 NB to 48 NB (Seamless, 100% X-Ray Welded, Fabricated) |
| Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | 5s, 10s, 40s, 80s, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS with NACE Mr 01-75 |
| Types | Seamless, Welded and Fabricated |
Mechanical Specification of Stainless Steel 316 Buttweld Fittings
| Material | Stainless Steel 316 |
|---|---|
| Tensile Strength | Minimum 515 megapascals |
| Yield Strength | Minimum 205 MPa |
| Hardness | 95 HRB (Rockwell B Hardness) |
| Elongation | 35% minimum |
How Stainless Steel 316 Benefits the Quality of Buttweld Fittings
Stainless Steel 316 brings several benefits to the quality of buttweld fittings:
Corrosion Resistance: Stainless Steel 316 exhibits excellent corrosion resistance, particularly in harsh environments containing corrosive chemicals, acids, and chlorides. This resistance to corrosion ensures the longevity and reliability of buttweld fittings, even in corrosive applications.
High Temperature Performance: Stainless Steel 316 retains its strength and mechanical properties at elevated temperatures, making it suitable for applications that involve high-temperature fluid or gas transfer.
Hygienic Properties: Stainless Steel 316 is non-reactive and easy to clean, making it ideal for industries that require sanitary conditions, such as pharmaceuticals, food processing, and dairy.
Aesthetic Appeal: Stainless Steel 316 has a polished and attractive appearance, making it suitable for applications where aesthetics are important, such as architectural designs and decorative elements.
Low Maintenance: Due to its excellent corrosion resistance, Stainless Steel 316 buttweld fittings require minimal maintenance, resulting in cost savings and reduced downtime.
Types of Stainless Steel SS 316/316L Buttweld Fittings
| Stainless Steel SS 316 / 316L 45 Degree Elbow | SS 316 / 316L 45 Degree Elbow SS 316/316L SS 90 Degree Elbow SS 316/316L Stainless Steel 45 Degree Elbow SS UNS S31600 45 Degree Elbow SS WERKSTOFF NR.1.4436 Degree Elbow ASME SA403 316/316L 90 Degree Elbow |
| Stainless Steel 316/316L Pipe Fittings | SS 316/316L Pipe Fittings 316/316L SS Buttweld Fitting 316/316L Stainless Steel Pipe Fitting SS UNS S31600 Buttweld Fitting SS WERKSTOFF NR.1.4436 Pipe Fittings ASTM A 1.4306 / 1.4307 Stainless Steel Buttweld Fitting |
| Stainless Steel 316/316L Eccentric Reducer | SS 316/316L Eccentric Reducer 316/316L SS Eccentric Reducer 316/316L Stainless Steel Eccentric Reducer SS UNS S31600 Eccentric Reducer SS WERKSTOFF NR.1.4436 Eccentric Reducer ASTM A403 WP 316 / 316L Stainless Steel Eccentric Reducer |
| Stainless Steel 316/316L Concentric Reducer | SS 316/316L Concentric Reducer 316/316L SS Concentric Reducer 316/316L Stainless Steel Concentric Reducer SS UNS S31600 Concentric Reducer SS WERKSTOFF NR.1.4436 Concentric Reducer ANSI B16.9 WP 316/316L Stainless Steel Concentric Reducer |
| Stainless Steel 316/316L Lateral Tee | SS 316/316L Lateral Tee 316/316L SS Lateral Tee 316/316L Stainless Steel Lateral Tee SS UNS S31600 Lateral Tee SS WERKSTOFF NR.1.4436 Lateral Tee ASME B16.28 WP 304L Stainless Steel Lateral Tee |
| Stainless Steel 316/316L Equal Tee | SS 316/316L Equal Tee 316/316L SS Equal Tee 316/316L Stainless Steel Equal Tee SS UNS S31600 Equal Tee SS WERKSTOFF NR.1.4436 Equal Tee ASTM A403 Stainless Steel Equal Tee |
| Stainless Steel 316/316L Long Stub End | SS 316/316L Long Stub End 316/316L SS Long Stub End 316/316L Stainless Steel Long Stub End SS UNS S31600 Long Stub End SS WERKSTOFF NR. 1.4436 Long Stub End ASTM A403 WP 316/316L Stainless Steel Long Stub End |
| Stainless Steel 316/316L Short Stub End | SS 316/316L Short Stub End 316/316L SS Short Stub End 316/316L Stainless Steel Short Stub End SS UNS S31600 Short Stub End SS WERKSTOFF NR.1.4436 Short Stub End MSS-SP-43 Stainless Steel Short Stub End |
| Stainless Steel 316/316L End Cap | SS 316/316L End Cap 316/316L SS End Cap 316/316L Stainless Steel End Cap SS UNS S31600 End Cap SS WERKSTOFF NR. 1.4436 End Cap ASTM A403 316/316L Stainless Steel End Cap |
| Stainless Steel 316/316L Bend | SS 316/316L Pipe Bend 316/316L SS Pipe Bend 316/316L Stainless Steel Bend SS UNS S31600 Bend SS 3d Pipe Bend SS WERKSTOFF NR.1.4436 Bend ASTM A403 Stainless Steel Bend |
| Stainless Steel 316/316L Equal Cross | SS 316/316L Equal Cross 316/316L SS Equal Cross 316/316L Stainless Steel Equal Cross SS UNS S31600 Equal Cross SS WERKSTOFF NR. 1.4436 Equal Cross ANSI B16.9 WP 316 / 316L Stainless Steel Equal Cross |
SS 316/316L Pipe Fittings Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 316 | min. | – | – | – | – | 16.0 | 2.0-3.0 | 10.0 | – | |
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | – | ||
| 316L | min. | – | – | – | – | – | 16.0 | 2.0-3.0 | 10.0 | – |
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | – | ||
Stainless Steel 316/316L Buttweld Fittings Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316 | 515 | 205 | 40 | 95 | 217 |
| 316L | 485 | 170 | 40 | 95 | 217 |
Equivalent Grades for 316 / 316L Stainless Steel Pipe Fitting
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Types of Buttweld Fittings
Buttweld fittings come in various types to meet different piping system requirements. Here are some commonly used types:
Buttweld Elbows: Elbows are used to change the direction of the pipeline. They come in different angles, such as 45 degrees, 90 degrees, and 180 degrees, to accommodate specific piping configurations.
Buttweld Tees: Tees are used to create a branch connection in a pipeline. They have an inlet and two outlets, allowing for the diversion of fluid or gas flow.
Buttweld Reducers: Reducers are used to connect pipes of different diameters. They ensure a smooth transition between different pipe sizes while maintaining the flow characteristics of the system.
Buttweld Caps: Caps are used to close the ends of pipes, providing protection and preventing the entry of foreign materials. They are often used in applications where pipe ends need to be sealed temporarily or permanently.
Buttweld Stub Ends: Stub ends are used in conjunction with lap joint flanges to create a disassemblable connection. They allow for easy alignment and adjustment of the flange joint.
Buttweld Crosses: Crosses are similar to tees but have an additional outlet. They are used when multiple branch connections are required in a pipeline.
Why shivalik is the Best Manufacturer and Supplier of Buttweld Fittings
shivalik is a leading manufacturer and supplier of high-quality buttweld fittings, including Stainless Steel 316 variants. Here’s why they are the best choice for your buttweld fitting needs:
Extensive Product Range: shivalik offers a wide range of buttweld fittings, including elbows, tees, reducers, caps, stub ends, and crosses, to cater to diverse piping system requirements.
Quality Assurance: shivalik is committed to delivering buttweld fittings that meet international quality standards. They source high-grade Stainless Steel 316 and employ stringent quality control measures to ensure the reliability, durability, and performance of their products.
Customization Options: shivalik understands that each project may have unique specifications. They offer customization options in terms of sizes, dimensions, and configurations to meet specific customer requirements.
Technical Expertise: With years of experience in the industry, shivalik has a team of skilled professionals who possess deep technical knowledge. They provide expert guidance, technical support, and assistance in selecting the right buttweld fittings for each application.
Timely Delivery: shivalik understands the importance of timely project completion. They maintain a robust supply chain and efficient logistics to ensure prompt delivery of buttweld fittings, minimizing project delays.
Competitive Pricing: shivalik offers competitive pricing for their buttweld fittings, providing excellent value for money without compromising on quality.
Customer Satisfaction: shivalik prioritizes customer satisfaction and strives to build long-term relationships. They provide excellent customer service, addressing inquiries, offering solutions, and resolving any issues that may arise.
Choose shivaliks as your trusted manufacturer and supplier of Stainless Steel 316 buttweld fittings, and experience the highest quality products, technical expertise, and reliable service for your piping system requirements.
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