Stainless Steel 316L Butt Weld 90 Elbow Sch40S ASME B16.9 Class 150 Pipe Fitting

Stainless Steel 316L Butt Weld 90 Elbow Sch40S ASME B16.9 Class 150 Pipe Fitting

1. Product Description 

The stainless steel butt welding elbow is a forged or hot‑pressed pipe fitting used to make directional changes in pipeline systems. Its butt‑weld end connection ensures a full‑penetration welded joint that is as strong as the pipe itself, providing a permanent, smooth bore with no flow obstruction. Manufactured from austenitic stainless steel grades including 304, 304L, 316, and 316L, the product offers superior resistance to oxidation, chemical attack, and thermal fatigue. It is designed and tested in accordance with major international piping standards to guarantee dimensional accuracy and reliable performance.

2. Product Applications

This elbow is a fundamental component for redirecting fluid flow in metallic piping networks. Typical end‑use sectors include:

• Refineries and petrochemical complexes – for high‑temperature hydrocarbon processing and catalyst transfer lines.

• Chemical processing plants – for handling aggressive acids, alkalis, and solvents.

• Oil and gas upstream and midstream – flowlines, gathering systems, and long‑distance transmission pipelines.

• Power stations – main steam, reheat, and boiler circulation systems.

• Pharmaceutical and biotechnology – clean‑service piping with strict hygiene requirements.

• Food and beverage production – sanitary pipelines for liquids, syrups, and dairy products.

• Desalination and water treatment – seawater intake, brine rejection, and chemical dosing lines.

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​3. Product Advantages

• Full weld joint strength – the butt‑weld connection provides a joint efficiency of 100%, equal to the pipe itself, with no gaskets or threads that could become leak paths.

• Wide material compatibility – austenitic grades cover most corrosive and high‑temperature services; duplex grades offer additional resistance to chloride stress corrosion.

• Precision manufacturing – CNC machining and hot forming ensure tight dimensional tolerances and consistent wall thickness for easy fit‑up.

• Excellent flow characteristics – the smooth bore and gradual radius reduce turbulence, pressure drop, and erosion compared to mitered or threaded fittings.

• Long service life – stainless steel’s passive oxide layer self‑repairs in oxidizing environments, greatly extending maintenance intervals.

• Flexible sourcing – available in seamless and welded construction to meet cost and pressure requirements.

4.Key Product Parameters

FAQ

1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.

2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.

4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.