Shivalik Forge And Fittings

SS 316 Buttweld Fittings

Buttweld Pipe fittings are essential components used to connect, control, and direct the flow of fluids or gasses in a piping system. They provide a secure and leak-proof connection between pipes and allow for easy installation, maintenance, and modification of pipelines. Pipe fittings come in various shapes, sizes, and materials to accommodate different applications and requirements.

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

Buttweld fittings are widely used in various industries and applications, including
Stainless Steel 310 Buttweld Fittings copy 2

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

Stainless Steel 316 is a versatile and corrosion-resistant austenitic stainless steel that is widely used in many industries. When used in buttweld fittings, Stainless Steel 316 offers the following mechanical specifications:
Material Stainless Steel 316
Tensile Strength Minimum 515 megapascals
Yield Strength Minimum 205 MPa
Hardness 95 HRB (Rockwell B Hardness) 
Elongation 35% minimum
These mechanical specifications ensure that Stainless Steel 316 buttweld fittings have the necessary strength, ductility, and resistance to withstand demanding environments and operating conditions.

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

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.

Get in Touch

Contact Info