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Stainless Steel Butt Weld Fittings – At a Glance
Stainless Steel Butt Weld Fittings are piping components used to change direction, branch pipelines, reduce pipe size, or close pipe ends in high-pressure piping systems. Manufactured according to ASTM A403 and ASME B16.9 standards, these fittings provide excellent corrosion resistance, dimensional accuracy, leak-proof welding, and long service life across demanding industrial environments.
| Product |
Stainless Steel Butt Weld Fittings |
| Material |
Stainless Steel 304, 304L, 316, 316L, 321, 347, Duplex & Super Duplex |
| Standard |
ASTM A403 / ASME B16.9 / MSS SP-43 |
| Manufacturing |
Seamless and Welded |
| Available Types |
Elbows, Tees, Reducers, Stub Ends, Pipe Caps, Crosses |
| Size Range |
1/2" NB to 48" NB |
| Schedule |
SCH 5S to XXS |
| Surface Finish |
Pickled, Annealed, Matte, Polished |
| Inspection |
PMI, Hydro Test, Radiography, Third Party Inspection |
| Certificates |
EN 10204 3.1 / 3.2 MTC |
Product Range
Types of
SS Butt Weld Fittings
Size:
½” to 48” NB
Sch:
10S to XXS
Elbows & Bends
-
Elbows:
45°, 90°, 180°
-
Radius:
Long (LR) & Short (SR)
-
Bends:
1D, 2D, 3D, 5D
Tees & Crosses
-
Tees:
Equal & Reducing
-
Crosses:
Equal & Unequal
-
Type:
Seamless & Welded
Reducers & Stubs
-
Reducers:
Concentric & Eccentric
-
Stub Ends:
Short & Long Pattern
-
Finish:
Matte / Pickled
Caps & Custom
-
Caps:
End Caps / Pipe Caps
-
Custom:
As per Drawing
-
Specs:
Special Thickness/Angles
Material Specifications
Available
Grades
| Grade Family |
Available Specifications |
|
|
304 / 304L
316 / 316L
310S
321
347
|
Duplex Steel
High Strength
|
Duplex 2205
Super Duplex 2507
|
Special Grades
Corrosion Resistant
|
904L
|
Our Expertise
Why
STAINLESS INDIA
SS Buttweld Fittings Are Preferred Worldwide?
ISO Certified
ISO 9001:2015 Certified Manufacturer ensuring consistent quality
management systems.
100% Tested
100% Radiography and PMI Tested fittings to guarantee material integrity
and safety.
International Standards
Manufactured in strict accordance with ASME, ASTM, and DIN global
standards.
Precision Engineering
Smooth weld ends and precise dimensional accuracy for seamless site
installation.
Huge Inventory
Extensive ready stock available for immediate dispatch to meet urgent
project timelines.
Custom Radius
Custom radius elbows (Short Radius / Long Radius) available per specific
drawings.
Export Packaging
Durable wooden boxes suitable for sea transport, ensuring damage-free
delivery.
Global Supply
Trusted supplier exporting high-quality fittings to over 40 countries
globally.
Applications & Industries
Documentation Provided
-
EN 10204 3.1 / 3.2 Mill Test Certificate
-
IBR Certificate (if applicable)
-
NACE MR0175 / ISO 15156 Compliance
-
TPI Reports (SGS, TUV, BV, DNV)
-
Hydro / Eddy Current / PMI / X-Ray Reports
-
Commercial Invoice, Packing List, Origin Cert
Why Choose ASTM A403 Stainless Steel Butt Weld Fittings?
ASTM A403 Stainless Steel Butt Weld Fittings are designed for reliable performance in high-pressure and corrosive service conditions. Their smooth internal bore minimizes pressure loss, while welded construction provides strong and leak-resistant joints. These fittings are widely used in oil and gas, petrochemical, chemical processing, power generation, marine, pharmaceutical, food processing, water treatment, and EPC projects worldwide.
Industries Using Stainless Steel Butt Weld Fittings
- Oil & Gas Pipelines
- Petrochemical Plants
- Chemical Processing Industries
- Power Generation Plants
- Heat Exchangers
- Offshore Platforms
- Shipbuilding Industry
- Food Processing Plants
- Pharmaceutical Manufacturing
- Water Treatment Plants
- Sugar Industry
- Cement Industry
- Paper & Pulp Mills
- Engineering Procurement Construction (EPC)
Manufacturing Process of Stainless Steel Butt Weld Fittings
Our Stainless Steel Butt Weld Fittings are manufactured using premium quality raw materials sourced from approved mills. The production process includes raw material inspection, hot or cold forming, edge preparation, welding (where applicable), solution annealing, pickling, passivation, dimensional inspection, non-destructive testing, marking, packing, and final quality inspection before dispatch.
| Stage |
Process |
| 1 |
Raw Material Inspection |
| 2 |
Cutting & Forming |
| 3 |
Heat Treatment |
| 4 |
Pickling & Passivation |
| 5 |
PMI & Dimensional Inspection |
| 6 |
Final Packing & Dispatch |
Testing & Quality Assurance
Every Stainless Steel Butt Weld Fitting undergoes stringent quality checks to ensure compliance with international standards. Testing procedures verify material composition, dimensional accuracy, weld quality, pressure resistance, and corrosion performance before shipment.
- Positive Material Identification (PMI)
- Hydrostatic Test
- Radiographic Examination
- Ultrasonic Testing
- Dye Penetrant Test
- Visual Inspection
- Dimensional Inspection
- Hardness Test
- Third Party Inspection (SGS, TUV, BV, DNV)
Packaging, Marking & Export
All Stainless Steel Butt Weld Fittings are packed using export-worthy wooden boxes, fumigated crates, pallets, bubble wrapping, and waterproof packing materials to prevent transit damage. Each fitting is clearly marked with size, grade, heat number, standard, and manufacturer identification for complete traceability.
We export Stainless Steel Butt Weld Fittings to customers across Asia, Europe, the Middle East, Africa, North America, and South America with complete export documentation including Commercial Invoice, Packing List, Certificate of Origin, EN 10204 3.1 Mill Test Certificate, and third-party inspection reports where required.
Advantages of Stainless Steel Butt Weld Fittings
- Excellent corrosion resistance
- High pressure capability
- Superior weldability
- Long service life
- Leak-proof welded joints
- Excellent dimensional accuracy
- Low maintenance
- Suitable for high-temperature applications
- Available in seamless and welded construction
- Complies with ASTM A403 and ASME B16.9
Technical Specifications
| Product Standard |
ASTM A403 / ASME B16.9 / MSS SP-43 |
| Manufacturing Type |
Seamless & Welded |
| Material Grades |
304, 304L, 316, 316L, 321, 347, 904L, Duplex 2205, Super Duplex 2507 |
| Nominal Size |
1/2" NB to 48" NB |
| Wall Thickness |
SCH 5S to SCH XXS |
| Connection Type |
Butt Weld |
| Pressure Rating |
As per ASME B16.9 Design Requirements |
| Country of Origin |
India |
How to Select the Right Stainless Steel Butt Weld Fitting
Choosing the correct Stainless Steel Butt Weld Fitting depends on several technical factors including material grade, pipe schedule, operating pressure, temperature, corrosion resistance, fitting type, end connection, applicable standards, and project specifications. Selecting the correct fitting improves pipeline reliability, minimizes maintenance, and extends service life.
- Select the correct stainless steel grade.
- Match the pipe schedule.
- Verify ASME B16.9 dimensions.
- Consider operating pressure and temperature.
- Choose seamless or welded construction as required.
- Request EN 10204 3.1 certification where applicable.
Recommended Applications by Industry
| Industry |
Typical Application |
| Oil & Gas |
Pipeline Systems |
| Petrochemical |
Process Piping |
| Power Plant |
Steam Lines |
| Chemical |
Corrosive Fluid Transfer |
| Marine |
Seawater Systems |
| Food Processing |
Sanitary Process Lines |
| Pharmaceutical |
Clean Process Piping |
| Water Treatment |
Distribution Systems |
Stainless Steel Pipes
Stainless Steel Flanges
Stainless Steel Forged Fittings
Stainless Steel Fasteners
Why Trust Stainless India?
Stainless India is a trusted manufacturer, supplier, stockist, and exporter of Stainless Steel Butt Weld Fittings for industrial piping systems. Our products are manufactured in accordance with international standards and supplied to EPC contractors, refineries, power plants, petrochemical companies, marine projects, and engineering industries worldwide.
- Manufactured to ASTM A403 and ASME B16.9 standards
- ISO-certified quality management system
- EN 10204 3.1 Mill Test Certificates available
- Third-party inspection by SGS, TUV, BV, DNV on request
- Worldwide export packaging and logistics support
- Experienced technical sales assistance for project requirements
Our Quality Commitment
Every Stainless Steel Butt Weld Fitting supplied by Stainless India undergoes strict quality verification before dispatch. Material traceability, dimensional inspection, visual examination, and applicable testing are performed to help ensure compliance with customer specifications and relevant international standards.
Global Export Capabilities
Stainless India supplies Stainless Steel Butt Weld Fittings to customers across Asia, the Middle East, Europe, Africa, North America, and South America. Export shipments include appropriate commercial documentation, secure export packaging, and inspection documents when requested.
Technical Support
Our technical team assists customers in selecting the appropriate fitting type, material grade, dimensions, wall thickness, and applicable standards based on project specifications. Assistance is available for standard products as well as custom manufacturing requirements.
Our Advantage
Why Choose Us for Stainless Steel Buttweld Fittings
Stainless India?
Why Choose STAINLESS INDIA for Buttweld Fittings?
In-House Fabrication
Internal fabrication and complete quality inspection ensuring superior
product integrity.
ISO Certified
Manufacturing processes fully certified to ISO 9001:2015 quality standards.
Vast Inventory
Large inventory available in various grades and schedules for quick
turnaround.
Precision CNC Ends
CNC-machined ends ensuring optimal welding compatibility and alignment.
Certified Quality
Material approved by PED / IBR / TPI available upon specific request.
Global Value
Competitive pricing paired with reliable international shipping assistance.
Quick Summary
Stainless Steel Butt Weld Fittings manufactured according to ASTM A403 and ASME B16.9 are available in seamless and welded construction for applications requiring corrosion resistance, high strength, and reliable welded connections. Stainless India manufactures elbows, tees, reducers, caps, stub ends, and crosses in multiple stainless steel grades with worldwide export capability and EN 10204 3.1 certification.
Key Information
- Product: Stainless Steel Butt Weld Fittings
- Standards: ASTM A403, ASME B16.9, MSS SP-43
- Material Grades: 304, 304L, 316, 316L, 321, 347, Duplex, Super Duplex
- Available Products: Elbows, Tees, Reducers, Stub Ends, Pipe Caps, Crosses
- Manufacturer: Stainless India
- Country: India
- Certification: EN 10204 3.1, Third-Party Inspection Available
- Industries: Oil & Gas, Petrochemical, Marine, Chemical, Power, Food Processing, Pharmaceutical, Water Treatment
Related Stainless Steel Products
Stainless India also manufactures and supplies a complete range of stainless steel piping products for industrial applications.
Browse More Stainless Steel Products
Explore our complete range of stainless steel products, including pipes, flanges, forged fittings, fasteners, sheets, plates, and round bars for industrial applications.
Buyer's Guide for Stainless Steel Butt Weld Fittings
When selecting Stainless Steel Butt Weld Fittings, buyers should consider the material grade, applicable standard, pipe schedule, operating pressure, corrosion environment, temperature range, and inspection requirements. Choosing the correct fitting improves system reliability, reduces maintenance costs, and extends pipeline service life.
- Select the correct ASTM A403 material grade.
- Confirm compliance with ASME B16.9 dimensions.
- Match the fitting schedule with the pipe schedule.
- Specify seamless or welded construction.
- Request EN 10204 3.1 Mill Test Certificate if required.
- Confirm pressure and temperature requirements.
Stainless Steel Grade Comparison
| Grade |
Main Benefit |
Typical Application |
| 304 |
General corrosion resistance |
Industrial piping |
| 304L |
Improved weldability |
Fabrication projects |
| 316 |
Higher corrosion resistance |
Chemical processing |
| 316L |
Low carbon content |
Marine & pharmaceutical |
| 321 |
Heat resistance |
High-temperature service |
| 347 |
Stabilized stainless steel |
Power plants |
| Duplex 2205 |
High strength |
Offshore & oil & gas |
Stainless Steel Grade Comparison
| Grade |
Main Benefit |
Typical Application |
| 304 |
General corrosion resistance |
Industrial piping |
| 304L |
Improved weldability |
Fabrication projects |
| 316 |
Higher corrosion resistance |
Chemical processing |
| 316L |
Low carbon content |
Marine & pharmaceutical |
| 321 |
Heat resistance |
High-temperature service |
| 347 |
Stabilized stainless steel |
Power plants |
| Duplex 2205 |
High strength |
Offshore & oil & gas |
Frequently Asked Questions – Stainless Steel Butt Weld Fittings
LR (Long Radius) elbows feature a center-to-end distance of 1.5D, whereas SR
(Short Radius) elbows have a distance of 1D, making LR elbows preferable for
achieving smoother flow in pipelines.
Indeed, we provide EN 10204 3.1 / 3.2 certificates along with third-party
inspection if necessary.
Yes, particularly in SS 316L and Duplex grades, which provide outstanding
corrosion resistance in seawater conditions.
Type of
Stainless Steel Buttweld Fittings
Available
| stainless steel buttweld fittings |
ss elbow tee reducer manufacturer |
304/316L buttweld fittings supplier |
| stainless steel pipe fittings exporter |
ASME B16.9 fittings |
ss long radius elbow manufacturer |
| ss concentric eccentric reducer |
welded stainless steel pipe fittings |
stainless steel buttweld fittings manufacturer in India |
| ss 304/316 buttweld fittings supplier |
stainless steel elbow manufacturer |
stainless steel pipe fittings manufacturer |
| ss welded fittings supplier |
stainless steel stub end manufacturer |
duplex stainless steel buttweld fittings |
Why customers choose Stainless India:
ISO Quality Standards • International Specifications • Export Documentation • EN 10204 3.1 Certification • Third-Party Inspection • Worldwide Shipping • Technical Assistance
Conclusion
Stainless India manufactures and supplies high-quality Stainless Steel Butt Weld Fittings that comply with international standards for demanding industrial applications. Our comprehensive product range, technical expertise, quality assurance, and export capabilities enable us to support projects across multiple industries worldwide. Contact our team for technical assistance, quotations, or customized manufacturing requirements.
Need pricing or technical assistance? Visit our
Contact Us
page or request a quotation from our technical sales team.
Global Export
Network
We export to more than 70+ countries:
USA • UK • Germany • Italy • UAE • Saudi Arabia • Qatar • Oman • Kuwait •
Singapore • Malaysia • Indonesia • Australia • South Africa • Brazil •
Mexico • India
All Shipments Include:
-
Packing List
-
Invoice
-
MTC 3.1 / 3.2
-
Third-Party Inspection (TUV/LR/BV) if required
-
Heat Number Traceability
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