Amardeep Steel Center is a globally recognized manufacturer, supplier, and exporter of Stainless Steel 316L Butt weld Fittings, the premier choice for applications demanding superior corrosion resistance combined with excellent weldability. Engineered to perform flawlessly in aggressive environments, our fittings guarantee the integrity and longevity of critical piping systems. We offer a comprehensive inventory of ASTM A403 WP316L Fittings, including a full suite of elbows, tees, and reducers, all manufactured to exceed the highest international quality standards. Our dedication to precision engineering and customer-focused service makes us the trusted partner for your most demanding industrial projects.
What Are Stainless Steel 316L Butt weld Fittings?
Stainless Steel 316L Butt weld Fittings are a vital category of pipe connectors designed for joining pipes through a butt-welding process. This involves aligning the beveled ends of the fitting and pipe and welding them together to form a solid, leak-proof bond that is as strong and reliable as the pipe itself.
The "L" in 316L stands for "Low Carbon," and it signifies the key advantage of this grade. 316L Stainless Steel Pipe Fittings (UNS S31603) have a maximum carbon content of 0.03%, a significant reduction from the 0.08% max in standard Grade 316. This provides several critical benefits:
- Immunity to Sensitization: The low carbon content minimizes the precipitation of harmful chromium carbides at the grain boundaries during welding. This phenomenon, known as sensitization, can severely compromise corrosion resistance in the heat-affected zone. By preventing it, SS 316L Butt Weld Fittings maintain their full corrosion resistance after welding, often eliminating the need for costly and time-consuming post-weld heat treatment.
- Enhanced Weldability: This characteristic makes 316L Welded Pipe Fittings the ideal choice for fabricating heavy-section components (typically thicker than 6mm) and complex assemblies that require multiple weld passes.
- Superior Corrosion Resistance: While retaining the excellent resistance to chlorides and acids provided by the molybdenum in the 316 series, the 316L grade ensures this resistance is not compromised by the welding process.
As a leading manufacturer, Amardeep Steel produces a full range of SS 316L Butt Weld Pipe Fittings that conform to standards like ASME B16.9 316L Butt Weld Fittings, guaranteeing perfect integration and long-term performance in your systems.
Table of Contents
- Stainless Steel 316L Butt weld Fittings Specifications
- Chemical Composition & Mechanical Properties of Stainless Steel 316L Butt weld Fittings
- Mechanical Properties of Stainless Steel 316L Butt weld Fittings
- Heat Treatment & Tolerances of Stainless Steel 316L Butt weld Fittings
- Dimensional Tolerances
- Types & Forms of Stainless Steel 316L Butt weld Fittings
- Applications & Industries Served of Stainless Steel 316L Butt weld Fittings
- Why Choose Amardeep Steel for Stainless Steel 316L Butt weld Fittings?
- Related Products
- Get a Competitive Price
Stainless Steel 316L Butt weld Fittings Specifications
Our ASTM A403 WP316L Fittings are manufactured to precise technical specifications, ensuring they deliver exceptional performance and safety in every application.
|
Specification |
Details |
|---|---|
|
Specification |
ASTM A403 / ASME SA403 |
|
Grade |
Stainless Steel 316L / UNS S31603 / WNR 1.4404 / 1.4435 |
|
Dimensions |
ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
|
Size Range |
1/2" NB to 48" NB (Seamless, Welded, and Fabricated) |
|
Type |
Seamless / Welded / Fabricated |
|
Wall Thickness |
Sch 5s, Sch 10s, Sch 40s, STD, Sch 80s, XS, Sch 160s, Sch XXS |
|
Bending Radius |
R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or Custom |
|
Forms |
Elbows (45°, 90°, 180°), Tees (Equal, Reducing), Reducers (Concentric, Eccentric), Caps, Stub Ends, Bends, Crosses |
Chemical Composition & Mechanical Properties of Stainless Steel 316L Butt weld Fittings
The reliability of our Stainless Steel 316L Butt Weld Fittings is built on a foundation of tightly controlled chemical composition and verified mechanical properties.
Chemical Composition (wt %)
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Ni |
Mo |
|---|---|---|---|---|---|---|---|---|
|
SS 316L (UNS S31603) |
0.03 max |
2.0 max |
0.75 max |
0.045 max |
0.030 max |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
Mechanical Properties of Stainless Steel 316L Butt weld Fittings
|
Property |
Minimum Value |
|---|---|
|
Tensile Strength |
485 MPa (70,000 psi) |
|
Yield Strength (0.2% Offset) |
170 MPa (25,000 psi) |
|
Elongation (in 50mm) |
40% |
|
Hardness, Rockwell B |
95 HRB max |
|
Hardness, Brinell |
217 HBW max |
Heat Treatment & Tolerances of Stainless Steel 316L Butt weld Fittings
Our manufacturing protocol includes essential heat treatment and rigorous dimensional verification to ensure every fitting meets the highest quality standards.
Heat Treatment Requirements
All ASME SA403 WP316L fittings are supplied in a fully solution-annealed condition. This process involves heating the material to a temperature range of 1040-1120°C (1900-2050°F) and then rapidly quenching it. This critical step ensures a uniform austenitic microstructure, dissolves any harmful precipitates, relieves stresses from forming, and maximizes the material's ductility and corrosion resistance. The low-carbon nature of 316L ensures these properties are maintained even after field welding.
Dimensional Tolerances
We manufacture ASME B16.9 316L Butt Weld Fittings to the exact dimensional tolerances defined in the standard. Our commitment to precision guarantees:
- Correct center-to-face and end-to-end dimensions for easy system design and assembly.
- Accurate angularity for perfect pipe alignment.
- Consistent wall thickness for uniform pressure containment.
- Properly formed end bevels to facilitate high-integrity welds.
This focus on accuracy simplifies installation and reduces labor costs for our clients.
Types & Forms of Stainless Steel 316L Butt weld Fittings
Amardeep Steel Center offers a complete range of Stainless Steel 316L Butt weld Fittings to suit any piping configuration.
- SS 316L Elbows (45°, 90°, 180°): To change the direction of flow. Available in Long Radius (LR) for smooth flow paths and Short Radius (SR) for compact designs.
- SS 316L Tees (Equal & Reducing): For creating 90-degree branches from a main pipe run.
- SS 316L Reducers (Concentric & Eccentric): To connect pipes of different diameters, ensuring efficient flow transition.
- SS 316L Pipe Caps: To provide a permanent, robust seal at the termination of a pipeline.
- SS 316L Stub Ends: Used with lap joint flanges to create an economical and easily alignable flanged connection.
- SS 316L Bends (3D, 5D, 10D): Offer a larger, more gradual turning radius, ideal for minimizing pressure drop and accommodating thermal expansion in long pipe runs.
- SS 316L Crosses: To create four-way intersections in complex piping networks.
Applications & Industries Served of Stainless Steel 316L Butt weld Fittings
The unique combination of superior corrosion resistance and weldability makes SS 316L Butt Weld Pipe Fittings essential in a wide array of industries:- Pharmaceutical & Biotechnology: The material of choice for sterile process piping, reactors, and vessels where product purity and resistance to aggressive cleaning agents are critical.
- Chemical Processing: Ideal for handling a wide range of corrosive chemicals, especially in welded tanks, pipelines, and reactors.
- Marine & Shipbuilding: Used extensively for exhaust systems, seawater piping, and deck fittings due to its excellent resistance to chloride-induced corrosion.
- Food & Beverage Industry: For processing equipment, pipelines, and tanks that require hygienic surfaces and must withstand corrosive food products and cleaning cycles.
- Oil & Gas: In offshore platforms, processing equipment, and pipelines where resistance to corrosive H2S and chloride environments is necessary.
- Pulp & Paper: To withstand the corrosive bleaching agents and process liquors.
- Architectural Applications: For structures in coastal and polluted environments where longevity and aesthetic appeal are important.
Why Choose Amardeep Steel for Stainless Steel 316L Butt weld Fittings?
Choosing Amardeep Steel Center means partnering with a supplier that is fully invested in your success.
- Manufacturing Excellence: We leverage advanced manufacturing technologies and premium raw materials to produce fittings with exceptional metallurgical purity, dimensional precision, and surface finish.
- Global Exports: As a seasoned exporter, we have a robust global logistics network, ensuring timely and secure delivery of our products to clients in the USA, Canada, UAE, Saudi Arabia, Europe, and Southeast Asia.
- Rapid Turnaround & Stock Availability: We maintain a vast inventory of standard Stainless Steel 316L Butt weld Fittings, enabling us to fulfill orders promptly and keep your critical projects on schedule.
- Uncompromising Quality Certification: Our operations are ISO 9001:2015 certified. Every fitting is supplied with a Mill Test Certificate (MTC) as per EN 10204 3.1, and we facilitate third-party inspections from world-renowned agencies like TUV, DNV, and Lloyd’s.
- Expert Technical Support: Our dedicated team of engineers and material specialists is available to provide expert guidance, helping you select the ideal solutions for your specific corrosive challenges.
Related Products
- Stainless Steel 316 Butt Weld Fittings
- Stainless Steel 316H Butt Weld Fittings
- Stainless Steel 316L Seamless Pipes
- Stainless Steel 316L Plates
- Stainless Steel 316L Round Bars
Get Your Stainless Steel 316L Butt weld Fittings Price
Ready to specify the industry's most reliable material for welded corrosive-service applications? Contact us today for a fast and competitive price quote on our Stainless Steel 316L Butt weld Fittings. Our sales team is eager to assist with your project requirements
Frequently Asked Questions (FAQ's)
1. What is the main advantage of 316L fittings over standard 316?
The primary advantage is its low carbon content (0.03% max), which makes it immune to sensitization during welding. This means it retains its full corrosion resistance after welding without needing post-weld heat treatment, making it the superior choice for welded fabrications.
2. Are dual-certified 316/316L fittings available?
Yes. Most of our 316L stock is dual-certified as 316/316L. This means the material meets the low carbon requirement of 316L while also satisfying the minimum strength requirements of standard 316, offering the best combination of weldability and strength.
3. Can I use SS 316L fittings for high-temperature service?
While 316L offers good oxidation resistance, its lower carbon content means it has lower strength at elevated temperatures compared to 316 and especially 316H. For applications operating continuously above 550°C (1022°F), Grade 316H is the recommended choice.
4. Are UNT S31603 Fittings magnetic?
No. In the annealed condition, SS 316L is fully austenitic and non-magnetic. It may become very slightly magnetic after severe cold working, but this is not typical for fittings.
5. What information is needed for an accurate price quote?
To get the most accurate price and lead time for your Stainless Steel 316L Butt weld Fittings, please provide the following: the type of fitting (e.g., 90° LR elbow), nominal pipe size, wall thickness (schedule), required quantity, and any specific testing or certification needs.
