SS 904L / UNS N08904 Buttweld Pipe Fittings
904L Buttweld Fittings for Corrosion-Resistant Industrial Piping Systems
Our SS 904L Buttweld Pipe Fittings are designed for demanding piping and process applications where excellent corrosion resistance, durability, and reliable performance are required. Manufactured in UNS N08904, these fittings are available in seamless, welded, ERW, and fabricated forms for a wide range of industrial piping systems.
Our 904L Buttweld Pipe Fittings portfolio includes elbows, tees, reducers, nipples, stub ends, U-bends, end caps, and laterals in various sizes, schedules, and configurations. Customized fittings can also be supplied according to project drawings and specific application requirements.
Advanced 904L Buttweld Fittings for Industry
SS 904L / UNS N08904 buttweld pipe fittings are designed for excellent resistance to corrosion, pitting, crevice corrosion, and aggressive media, supporting demanding industrial piping and fabrication systems under severe conditions.
These fittings are used in chemical processing, petrochemical, pharmaceutical, marine, and other applications where reliable fabrication, weldability, and long-term performance are essential.
904L Buttweld Fittings are used to connect, redirect, reduce, or terminate piping systems while maintaining a strong and reliable welded connection. The fittings are manufactured from 904L stainless steel, an austenitic grade containing molybdenum, nickel, chromium, and copper that provides excellent resistance to aggressive and corrosive environments.
The addition of copper improves resistance to reducing acids, particularly sulfuric acid and phosphoric acid, making SS 904L Butt Weld Fittings suitable for chemical processing and other demanding applications.
We supply a comprehensive range of SS 904L Pipe Fittings, including seamless and welded fittings in different configurations, sizes, schedules, and customized forms.
Our SS 904L Buttweld Pipe Fittings offer reliable performance for demanding industrial piping applications.
Key Features
Excellent corrosion resistance
High resistance to pitting and crevice corrosion
Improved resistance to reducing acids
Excellent resistance to sulfuric and phosphoric acid environments
High mechanical strength and durability
Reliable performance in aggressive process environments
Available in seamless and welded construction
Suitable for custom fabrication
Multiple sizes and schedules available
Suitable for demanding industrial piping systems
Specifications
Parameter | Details |
Size | 1/2″ NB to 12″ NB in Seamless; 2″ NB to 36″ NB in Welded |
Length | Random Length of 6 Meters & Customized Lengths |
Schedule | SCH 10/10S, SCH 20, SCH 30, SCH 40/40S, STD, SCH 80/80S, XS |
Type | Seamless, ERW, Welded, Fabricated |
Available Fitting Forms:
Elbows — LR & SR, 45°, 90°, 180°
Tees — Equal, Reducing & Barred
Reducers — Concentric & Eccentric
Nipples — Swage & Barrel
Stub Ends — Long & Short
U-Bends
End Caps
Laterals
We specialize in supplying Custom 904L Buttweld Pipe Fittings according to customer drawings, dimensions, and project requirements.
Our Specializations Include
- Customized dimensions
- Custom wall thicknesses
- Special configurations
- Seamless and welded fittings
- Project-specific fabrication
- Custom stub ends
- U-bends and special fittings
- Fittings manufactured according to applicable project standards
Stub End Specialization
We specialize in 904L Stub Ends manufactured as per MSS SP-43 requirements, subject to the applicable product and project requirements.
Customized Fittings
Customized fittings can be supplied to ASTM B366 WP904L requirements where specified by the customer or project.
We provide additional processing and fabrication services to meet specific project requirements.
Our Services Include
Cutting
Bending
Forging
Rolling
Heat Treatment
Polishing
Minor Fabrication
Custom Fitting Preparation
These services allow customers to obtain fittings prepared according to their project requirements and fabrication needs.
Quality & Certification
Quality control is maintained throughout the manufacturing and inspection process to ensure that 904L Buttweld Fittings meet the required dimensional, material, and performance requirements.
Quality & Documentation
Material inspection
Dimensional inspection
Visual inspection
Surface inspection
Manufacturer Test Certificate
EN 10204 3.1 documentation
EN 10204 3.2 documentation where applicable
Material identification and traceability
Relevant project-specific inspection documentation
Inspection and certification requirements can be arranged according to customer specifications and applicable standards.
Frequently Asked Questions (FAQ)
What are SS 904L Buttweld Pipe Fittings?
SS 904L Buttweld Pipe Fittings are piping components manufactured from 904L stainless steel and designed to connect, redirect, reduce, or terminate pipe sections through butt welding. They include elbows, tees, reducers, stub ends, caps, nipples, and laterals.
What types of 904L Buttweld Fittings are available?
Our 904L Buttweld Fittings include 45°, 90°, and 180° elbows, equal and reducing tees, concentric and eccentric reducers, swage and barrel nipples, stub ends, U-bends, end caps, and laterals.
Are 904L Buttweld Pipe Fittings available in seamless and welded forms?
Yes. UNS N08904 Buttweld Pipe Fittings are available in seamless, ERW, welded, and fabricated forms, depending on the fitting type, size, and project requirements.
What industries use SS 904L Pipe Fittings?
SS 904L Pipe Fittings are used in chemical processing, petrochemical, pharmaceutical, fertilizer, marine, oil & gas, power generation, and other industries where excellent corrosion resistance is required.
What sizes are available for SS 904L Butt Weld Fittings?
We offer fittings from 1/2″ NB to 12″ NB in seamless construction and 2″ NB to 36″ NB in welded construction, with customized sizes available according to project requirements.
Can you supply custom 904L Pipe Fittings?
Yes. We supply custom 904L Buttweld Fittings according to customer drawings, dimensions, wall thicknesses, configurations, and applicable project requirements.
What standards are available for 904L Buttweld Fittings?
904L Buttweld Pipe Fittings can be supplied according to applicable international standards and customer specifications. Customized fittings can be manufactured to ASTM B366 WP904L requirements where specified.
Why are 904L Buttweld Fittings used in chemical processing?
904L Buttweld Fittings offer excellent resistance to several aggressive chemical environments, including improved resistance to reducing acids such as sulfuric and phosphoric acid. This makes them suitable for demanding chemical-processing piping systems.
Request a Quote for 904L Buttweld Fittings
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Share your required fitting type, size, schedule, quantity, and specifications with our team. We can assist with standard and customized 904L Buttweld Fittings for industrial applications.