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Unmatched Durability and Corrosion Resistance: Stainless Steel 904L Buttweld Fittings by Sandvik

When it comes to critical piping systems in aggressive environments, material performance matters. At Sandvik, we specialize in delivering premium quality Stainless Steel 904L Buttweld Fittings designed to meet the toughest industrial demands. These fittings offer excellent resistance to corrosion, particularly in harsh environments involving sulfuric, phosphoric, and acetic acids. Whether you’re upgrading a chemical plant or installing new piping in a marine application, Stainless Steel 904L is the material of choice for long-term reliability.

What is Stainless Steel 904L Buttweld Fittings? These are pipe fittings manufactured using 904L grade stainless steel, a low-carbon, high-alloy austenitic stainless steel known for its superior corrosion resistance. Buttweld fittings are used to change the direction, branch off, or connect piping systems seamlessly. Made through a welding process, they ensure strong and leak-proof joints, minimizing the risk of failure in high-pressure and high-temperature systems.

One of the primary advantages of Stainless Steel 904L Buttweld Fittings is their exceptional resistance to pitting and crevice corrosion. The addition of copper in the 904L alloy enhances its ability to withstand strong reducing acids. These fittings also maintain high strength and toughness, even in extreme environments, making them ideal for demanding applications. Plus, the low carbon content reduces the risk of carbide precipitation during welding, ensuring structural integrity.

As trusted Stainless Steel 904L Buttweld Fittings Manufacturers, Sandvik ensures every fitting meets strict quality standards, delivering durability and precision for seamless integration into your piping systems. Each product undergoes rigorous testing to ensure long service life, even in the most corrosive environments.

904L buttweld fittings have diverse applications across various industries. In the chemical and petrochemical sectors, they’re used in processing equipment, piping, and storage tanks due to their resistance to strong acids. The oil and gas industry relies on these fittings for offshore and onshore projects where durability and corrosion resistance are critical. In pharmaceuticals, they help maintain sterile and contaminant-free conditions. They're also commonly found in marine, power generation, and pulp & paper industries where robust performance is essential.

Sandvik is one of the leading Stainless Steel 904L Buttweld Fittings Suppliers, offering a wide range of product types tailored to various industrial needs. Each fitting is manufactured with precision and in compliance with international standards such as ASTM A403 and ASME B16.9.

There are several types of 904L buttweld fittings available:

Elbows: Used to change the direction of flow in piping systems, available in 45° and 90° angles.

Tees: Allow branching of flow into two different directions from the main pipeline.

Reducers: Used to connect pipes of different diameters, either concentrically or eccentrically.

Caps: Designed to seal the end of pipes, preventing the flow of substances.

Stub Ends: Used with lap joint flanges, ideal for systems that require dismantling for inspection or maintenance.

As reliable Stainless Steel 904L Buttweld Fittings Stockists, Sandvik maintains a ready inventory to ensure quick delivery and reduced downtime for your projects. With global reach and a commitment to excellence, we meet the needs of clients across all major industries.

Our reputation as leading Stainless Steel 904L Buttweld Fittings Exporters is built on our focus on quality, customer satisfaction, and consistent performance. From sourcing raw materials to final inspection, every step of our process reflects our dedication to excellence.

Choose Sandvik for top-tier Stainless Steel 904L Buttweld Fittings that deliver unmatched performance, longevity, and reliability in your critical systems. Contact us today for a quote or more information.

Specification of Stainless Steel 321/321H Buttweld Fittings

Standards : ASTM, ASME
Designation : A 403, SA 403
Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Grade : Stainless steel Buttweld Pipe Fittings, SS Butt weld
Type : Seamless, Welded
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Size : 1/2" to 24"
Two Joint / Two Halve Butt weld Fittings Size : 6" to 48"
Types of Butt weld Fittings : Equal Tee, Nipple, Long Radius Elbow, Reducing Tee, Elbows, Swage Nipple, Short Radius Elbow, Reducer, Barrel Nipple, 90 Deg Elbow, Concentric Reducer, Reducing Nipple, 45 Deg Elbows, Eccentric Reducer, Bend, 180 Deg Elbow, End Cap, 1D Elbow, 3D Elbow, Stubend, 5D Elbow, Cap, Piggable Bend, Long Stubend, Tee, Short Stubend, Long Radius Bend

Equivalent Grades of Stainless Steel 321/321H Buttweld Fittings

STANDARD WERKSTOFF NR. UNS JIS KS BS AFNOR EN
SS 904L 1.4539 N08904 SUS 904L STS 317J5L 904S13 Z2 NCDU 25-20 X1NiCrMoCu25-20-5

Chemical Composition of Stainless Steel 321/321H Buttweld Fittings

C Cr Cu Mn Mo Ni P S
Max     Max     Max Max
0.02 19.0-23.0 2.0 4.0-5.0 23.0-28.0 0.045 0.035 1.0

Mechanical Properties of Stainless Steel 321/321H Buttweld Fittings

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) Brinell (HB)
904L 490 220 36 70-90 typical 150