- What is Buttweld Fittings?
- Specifications of 304 Buttweld Pipe Fittings
- Mechanical Specification of Stainless Steel 304 Buttweld Fittings
- How Stainless Steel 304 Benefits the Quality of Buttweld Fittings
- Types of Stainless Steel Buttweld Fittings
- SS 304 Pipe Fittings Chemical Composition
- Stainless Steel 304 Buttweld Fittings Mechanical Properties
- Equivalent Grades for 304 Stainless Steel Pipe Fitting
- SS 304 3D Bend Tolerance chart
- Buttweld Fittings ASME B16.9 WP304 Angularity Tolerance
- Types of Buttweld Fittings
- Applications of Buttweld Fittings
- Why shivalik is the Best Manufacturer and Supplier of Buttweld Fittings
SS 304 Buttweld Fittings
What is Buttweld Fittings?
Buttweld fittings are a type of pipe fitting that is used for welding to connect pipes and create a secure and leak-proof joint. They are specifically designed to provide a smooth, continuous transition between pipes, ensuring a seamless flow of fluids or gasses. Buttweld fittings are widely used in industries such as oil and gas, chemical, petrochemical, pharmaceutical, and power generation.
Key details about buttweld fittings:
Construction: These fittings are typically made from high-quality materials such as stainless steel, carbon steel, or alloy steel. They are formed by cutting, bending, and welding pipe sections to create the desired shape and connection.
Welding Process: Buttweld fittings are joined to pipes using a welding process, which ensures a strong and permanent connection. The welding technique used for such fittings is usually a butt-welding process, where the ends of the fittings are beveled for a precise fit and then welded to the pipes.
Seamless Integration: They provide a smooth and uninterrupted flow within the piping system. The welded connection eliminates the need for additional sealing components, reducing the risk of leakage and enhancing the overall system integrity.
Size Range: Available in a wide range of sizes, from small diameters suitable for residential plumbing to large diameters used in industrial applications. They can accommodate various pipe sizes and configurations.
Diverse Configurations: Present in numerous configurations to suit specific application needs. Some common types include elbows, tees, reducers, caps, crosses, and stub ends. Each configuration serves a different purpose, such as changing the direction, reducing or increasing the pipe size, or terminating the line.
Applications of Buttweld Fittings
- Oil and Gas: These fittings are widely used in oil and gas pipelines, refineries, and petrochemical plants for their reliability, strength, and corrosion resistance.
- Chemical and Pharmaceutical: Employed in chemical processing plants and pharmaceutical facilities where resistance to corrosive chemicals and hygienic conditions are critical.
- Power Generation: Used in power plants, including thermal, nuclear, and renewable energy facilities, for piping systems that handle steam, water, or other fluids.
- Food and Beverage: Buttweld fittings are utilized in food processing, breweries, and beverage manufacturing plants due to their sanitary properties, corrosion resistance, and ease of cleaning.
- Water Treatment: Buttweld fittings are essential in water treatment plants and distribution systems, ensuring reliable and leak-free connections for clean water supply.
- Construction and Infrastructure: Buttweld fittings are employed in construction projects, including commercial buildings, residential complexes, and infrastructure developments, for plumbing, HVAC systems, and water distribution.
- Mining and Minerals: Buttweld fittings are used in mining operations and mineral processing facilities for handling slurries, chemicals, and abrasive materials.
Specifications of 304 Buttweld Pipe 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 |
Types | Seamless or Welded |
Mechanical Specification of Stainless Steel 304 Buttweld Fittings
Stainless Steel 304 buttweld pipe fittings possess specific mechanical specifications that contribute to their performance and reliability. Here are some key specifications:
| Material | Stainless Steel 304, 1.307, UNS S30400 |
|---|---|
| Tensile Strength | Minimum 515 megapascals |
| Yield Strength | Minimum 205 MPa |
| Hardness | 70-90 HRB (Rockwell B Hardness) or 150-180 HV (Vickers Hardness) |
How Stainless Steel 304 Benefits the Quality of Buttweld Fittings
The use of Stainless Steel 304 in pipe fittings offers several benefits:
Corrosion Resistance: Stainless Steel 304 exhibits excellent resistance to corrosion, making it suitable for use in various environments, including those with high moisture, chemicals, or corrosive substances. It ensures the longevity and reliability of the buttweld fittings.
Strength and Durability: Stainless Steel 304 possesses high tensile strength and good toughness, providing structural integrity and durability to the fittings. It can withstand high pressure, temperature fluctuations, and mechanical stresses without deformation or failure.
Hygienic Properties: Stainless Steel 304 is non-porous and easy to clean, making it suitable for applications that require sanitary conditions, such as food processing, pharmaceuticals, and medical facilities. It prevents the growth of bacteria and contamination.
Aesthetic Appeal: Stainless Steel 304 has an attractive appearance with a smooth, polished surface. It retains its luster even after long-term exposure to harsh environments, enhancing the visual appeal of the buttweld fittings.
Types of Stainless Steel Buttweld Fittings
| SS 304 45 Degree Elbow 304 SS 90 Degree Elbow 304 Stainless Steel 45 Degree Elbow SS UNS S30400 45 Degree Elbow SS WERKSTOFF NR. 1.4301 45 Degree Elbow ASME SA403 304 90 Degree Elbow | |
| Stainless Steel 304 Pipe Fittings | SS 304 Pipe Fittings 304 SS Buttweld Fitting 304 Stainless Steel Pipe Fitting SS UNS S30400 Buttweld Fitting SS WERKSTOFF NR. 1.4301 Pipe Fittings ASTM A403 304 Stainless Steel Buttweld Fitting |
| Stainless Steel 304 Eccentric Reducer | SS 10d Pipe Bend SS 304 Eccentric Reducer 304 SS Eccentric Reducer 304 Stainless Steel Eccentric Reducer SS UNS S30400 Eccentric Reducer SS WERKSTOFF NR. 1.4301 Eccentric Reducer ASTM A403 WP 304 Stainless Steel Eccentric Reducer |
| Stainless Steel 304 Concentric Reducer | SS 304 Concentric Reducer 304 SS Concentric Reducer 304 Stainless Steel Concentric Reducer SS UNS S30400 Concentric Reducer SS WERKSTOFF NR. 1.4301 Concentric Reducer ANSI B16.9 WP 304 Stainless Steel Concentric Reducer |
| Stainless Steel 304 Lateral Tee | SS 304 Lateral Tee 304 SS Lateral Tee 304 Stainless Steel Lateral Tee SS UNS S30400 Lateral Tee SS WERKSTOFF NR. 1.4301 Lateral Tee ASME B16.28 WP 304 Stainless Steel Lateral Tee |
| Stainless Steel 304 Equal Tee | SS 304 Equal Tee 304 SS Equal Tee 304 Stainless Steel Equal Tee SS UNS S30400 Equal Tee SS WERKSTOFF NR. 1.4301 Equal Tee ASTM A403 Stainless Steel Equal Tee |
| Stainless Steel 304 Long Stub End | SS 304 Long Stub End 304 SS Long Stub End 304 Stainless Steel Long Stub End SS UNS S30400 Long Stub End SS WERKSTOFF NR. 1.4301 Long Stub End ASTM A403 WP 304 Stainless Steel Long Stub End |
| Stainless Steel 304 Short Stub End | SS 304 Short Stub End 304 SS Short Stub End 304 Stainless Steel Short Stub End SS UNS S30400 Short Stub End SS WERKSTOFF NR. 1.4301 Short Stub End MSS-SP-43 Stainless Steel Short Stub End |
| Stainless Steel 304 End Cap | SS 304 End Cap 304 SS End Cap 304 Stainless Steel End Cap SS UNS S30400 End Cap SS WERKSTOFF NR. 1.4301 End Cap ASTM A403 304 Stainless Steel End Cap |
| Stainless Steel 304 Bend | SS 304 Pipe Bend 304 SS Pipe Bend 304 Stainless Steel Bend SS UNS S30400 Bend SS 5d Pipe Bend SS WERKSTOFF NR. 1.4301 Bend ASTM A403 Stainless Steel Bend |
| Stainless Steel 304 Equal Cross | SS 304 Equal Cross 304 SS Equal Cross 304 Stainless Steel Equal Cross SS UNS S30400 Equal Cross SS WERKSTOFF NR. 1.4301 Equal Cross ANSI B16.9 WP 304 Stainless Steel Equal Cross |
SS 304 Pipe Fittings Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Stainless Steel 304 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 | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
Equivalent Grades for 304 Stainless Steel Pipe Fitting
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
SS 304 3D Bend Tolerance chart
| Nominal Diameter | O.D.For Bevel End | I.D.For End | Wall Thickness | Elbow | Tee | Reducer | Cap | 180°Elbow | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DN | NPS | A | B | C | M | H | E | O | K | Roughness | |||
| 15-65 | 1/2-2 1/2 | +1.6/-0.8 | 0.8 | -12.50% | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 3.2 | 6.4 | 6.4 | 0.8 |
| 80-100 | 3-4 | 1.6 | 1.6 | 6.4 | |||||||||
| 125-200 | 5-8 | +2.4/-1.6 | |||||||||||
| 250-450 | 10-18 | +4/-3.2 | 3.2 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 9.6 | ||||
| 500-600 | 20-24 | +6.4/-4.8 | 4.8 | 3.2 | 3.2 | 3.2 | 3.2 | 4.8 | 9.6 | ||||
| 650-750 | 26-30 | ||||||||||||
| 4.8 | 4.8 | 4.8 | 4.8 | ||||||||||
| 800-1200 | 32-48 | ||||||||||||
| 1250-1500 | 50-60 | +9.6/-6.4 | 6.4 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | |||||
| 1550-1750 | 62-70 | +12.7/-9.6 | 9.6 | 12.7 | 12.7 | ||||||||
| 1800-2000 | 72-80 | +16/-12 | 12 | 16 | 16 | ||||||||
Types of Buttweld Fittings
Buttweld pipe fittings come in various types, each serving a specific purpose in piping systems. Here are some commonly used types:
Butt Weld Elbows: Elbows are used to change the direction of pipe flow. They come in different angles, such as 45 degrees and 90 degrees, allowing for smooth directional changes.
Butt Weld Tees: Tees are used to create a branch connection in a pipeline. They have a T-shaped design with three openings, enabling the flow of fluid or gas in multiple directions.
Butt Weld Reducers: Reducers are used to connect pipes of different diameters, allowing for a smooth transition in pipe size. They are available in concentric and eccentric configurations.
Butt Weld Caps: Caps are used to seal the end of a pipe. They provide closure and protection against dust, contaminants, and unauthorized access.
Butt Weld Crosses: Crosses are similar to tees but have a fourth opening at a 90-degree angle. They are used when multiple branch connections are required.
Butt Weld Stub Ends: Stub ends are used with lap joint flanges to create a joint that can be easily dismantled for inspection or maintenance purposes.
Buttweld Fittings ASME B16.9 WP304 Angularity Tolerance
| Nominal Diameter | O.D.For Bevel End | I.D.For End | Wall Thickness | Elbow | Tee | Reducer | Cap | 180°Elbow | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DN | NPS | A | B | C | M | H | E | O | K | Roughness | |||
| 15-65 | 1/2-2 1/2 | +1.6/-0.8 | 0.8 | -12.50% | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 3.2 | 6.4 | 6.4 | 0.8 |
| 80-100 | 3-4 | 1.6 | 1.6 | 6.4 | |||||||||
| 125-200 | 5-8 | +2.4/-1.6 | |||||||||||
| 250-450 | 10-18 | +4/-3.2 | 3.2 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 9.6 | ||||
| 500-600 | 20-24 | +6.4/-4.8 | 4.8 | 3.2 | 3.2 | 3.2 | 3.2 | 4.8 | 9.6 | ||||
| 650-750 | 26-30 | ||||||||||||
| 4.8 | 4.8 | 4.8 | 4.8 | ||||||||||
| 800-1200 | 32-48 | ||||||||||||
| 1250-1500 | 50-60 | +9.6/-6.4 | 6.4 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | |||||
| 1550-1750 | 62-70 | +12.7/-9.6 | 9.6 | 12.7 | 12.7 | ||||||||
| 1800-2000 | 72-80 | +16/-12 | 12 | 16 | 16 | ||||||||
Why shivalik is the Best Manufacturer and Supplier of Buttweld Fittings
shivalik is a leading manufacturer and supplier of high-quality buttweld fittings, providing exceptional products and services to meet customer requirements. Here’s why they stand out:
Extensive Product Range: shivaliks offers a wide range of buttweld fittings in various sizes, configurations, and materials, including Stainless Steel 304. Their comprehensive product line ensures compatibility with different piping systems and applications.
Superior Quality: shivalik is committed to delivering buttweld fittings that meet the highest quality standards. They source premium materials and employ stringent quality control measures throughout the manufacturing process to ensure durability, precision, and performance.
Customization Capabilities: shivalik understands that each project may have unique requirements. They have the expertise to provide customized solutions, including specific dimensions, configurations, or materials, to meet customer specifications.
Technical Expertise: With years of experience in the industry, shivalik has a team of skilled professionals with 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 have streamlined their manufacturing processes and maintain a robust supply chain to ensure on-time delivery of buttweld fittings, meeting project schedules and deadlines.
Competitive Pricing: shivalik offers competitive pricing without compromising on the quality of their products. They strive to provide value to their customers by offering cost-effective solutions for their buttweld fitting requirements.
Customer Satisfaction: Customer satisfaction is a top priority for shivalik. They prioritize communication, responsiveness, and after-sales service to ensure a seamless experience for their customers. Their commitment to customer satisfaction has earned them a strong reputation in the industry.
In summary, shivalik is a trusted manufacturer and supplier of high-quality buttweld fittings, including Stainless Steel 304 variants. With their extensive product range, commitment to quality, technical expertise, and customer-centric approach, they are the preferred choice for reliable and efficient buttweld fittings solutions.
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