ASME B16.9 Butt Weld Pipe Fittings

1. Technical Scope & Manufacturing Standards

Our fittings are produced in strict accordance with the ASME B16.9 standard, which covers overall dimensions, tolerances, ratings, testing, and markings for factory-made wrought buttwelding fittings.

• Standard: ASME B16.9, MSS SP-43, DIN 2605/2615/2616, EN 10253
• Size Range:
  • Seamless Fittings: 1/2″ – 24″
  • Welded Fittings (EFW/ERW): 24″ – 72″
• Wall Thickness: SCH 5S, 10S, 20, STD, 40, 80, 160, XXS (as per ASME B36.10 & B36.19)
• End Preparation: Beveled Ends (per ASME B16.25) or Plain Ends.

2. Comprehensive Product Portfolio

We provide all types of buttweld fittings required to change direction, branch off, or reduce pipe size:

• Elbows: 45°, 90°, 180° in both Long Radius (LR) and Short Radius (SR).
• Tees: Equal Tees and Reducing Tees.
• Reducers: Concentric Reducers and Eccentric Reducers (for maintaining pipe levels).
• Caps: Pipe Caps for permanent or temporary closure of pipe ends.

3. Material Grades

Available in a wide spectrum of materials to suit your project’s specific mechanical and chemical requirements:

• Carbon Steel: ASTM A234 WPB, WPC; ST37.2, A420 WPL6 (Low Temperature).
• Stainless Steel: ASTM A403 WP304/304L, WP316/316L, WP321, WP347.
• Alloy Steel: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91.
• Duplex & Super Duplex: ASTM A815 UNS S31803, S32205, S32750.

4. Solving Your Supply Chain Pain Points

We don’t just sell fittings; we support your business growth with:

• Mill Test Certificate (MTC): Every order is supplied with an EN 10204 3.1 certificate, including chemical analysis and mechanical property tests (Tensile, Hardness, Impact).
• Dimensional Accuracy: We use precision-forming mandrels and CNC machining to ensure 100% compliance with B16.9 tolerances, making field welding easier and faster.
• Corrosion Protection: Products undergo professional surface treatments—Shot Blasting, Black Painting, Vanishing, or Hot-Dip Galvanizing—to ensure long-term durability.
• Packaging for Importers: Heavy-duty plywood cases or palletized bundles with clear shipping marks, designed for safe forklift handling and sea transit.

5. Quality Assurance & Inspection

Quality is verified at every stage of production:

1. Incoming Material Testing (Spectral analysis for grade verification).
2. In-Process Inspection (Heat treatment monitoring and forming checks).
3. Final Non-Destructive Testing (NDT): Ultrasonic (UT), Magnetic Particle (MPI), and X-ray for welded joints.
4. Third-Party Friendly: We fully support inspections by SGS, BV, TUV, or ABS to give you and your end-users total peace of mind.

Applications and Industries

ASME B16.9 fittings are crucial for industries requiring robust, leak-free, and high-strength connections, such as Oil and Gas, Petrochemical, Chemical plants, Power generation, and Water treatment facilities.

Key applications and industries

• Oil and Gas: Essential for pipelines that transport crude oil and natural gas, facilitating directional changes while ensuring smooth flow.
• Petrochemical and Chemical Plants: Used for connecting pipes to safely transport hazardous substances and fluids, maintaining system integrity under potentially harsh conditions.
• Power Generation: Critical for high-pressure steam and fluid systems.
• Water Treatment: Vital for directing the flow of water in large-scale treatment facilities.

Why are ASME B16.9 fittings used？

• High Strength and Durability: The fittings are made from robust materials like carbon steel, alloy steel, and stainless steel, designed to withstand high pressure, vibration, and extreme temperatures.
• Leak-free Connections: The butt-welding method creates a strong, permanent, and leak-free joint when properly installed, which is critical for safety.
• Standardization: The ASME B16.9 standard ensures consistency and compatibility between fittings from different manufacturers, simplifying design and installation.
• Design Versatility: The standard covers a wide variety of fittings, including elbows, tees, crosses, caps, and reducers, allowing for complex piping layouts

JS FITTING supplies ASME B16.9 butt welding pipe fittings in a comprehensive range of materials covering carbon steel, alloy steel, stainless steel, and other custom metals.
These ASME B16.9 pipe fittings include long radius elbows, SR elbows, long radius bends, short radius bends, straight tees, straight crosses, reducing tees, reducing crosses, caps, concentric reducers, and eccentric reducers.

JS FITTING is located in China, recognized as a leading supplier and manufacturer in providing piping solutions for oil and gas companies. Product ranges in Steel Pipe, carbon steel pipe fittings, and forged flanges for industrial pipelines.
Welcome to contact us if you have any questions.
Email: admin@jsfittings.com
Tel/WhatsApp: +8618003119682