SS 904L / UNS N08904 Large Dia Welded Fittings

Custom Large Diameter Welded Pipe Fittings for Industrial Applications

We manufacture a comprehensive range of SS 904L Large Dia Welded Fittings engineered for piping systems that require exceptional corrosion resistance, dimensional accuracy, and reliable long-term performance. Our 904L Large Diameter Welded Fittings are fabricated from premium-quality plates using precision manufacturing processes and are suitable for demanding industrial applications.

Available in various sizes, schedules, and configurations, our 904L Welded Pipe Fittings are supplied for chemical processing, petrochemical, marine, power generation, fertilizer, and other critical process industries where large-diameter piping solutions are required.

We Manufacture High-Performance 904L Large Diameter Welded Fittings

SS 904L / UNS N08904 Large Dia Welded Fittings provide excellent corrosion resistance and durability for demanding piping systems. Their resistance to acids, chloride environments, and corrosive media makes them suitable for chemical, petrochemical, and industrial applications.

Manufactured for large-diameter piping requirements, these welded fittings support reliable fabrication, installation, and long-term service in challenging operating environments.

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Our UNS N08904 Large Dia Welded Fittings are manufactured using high-quality stainless steel plates and undergo strict stage-wise quality inspections throughout the production process. Every fitting is designed to provide reliable flow performance, structural integrity, and excellent resistance in challenging industrial environments.

We manufacture a complete range of 904L Stainless Steel Large Dia Fittings, including elbows, tees, reducers, stub ends, laterals, and customized welded fittings to meet diverse project requirements.

Manufacturing Process

To ensure consistent product quality, every fitting passes through a controlled manufacturing process.

  • Raw Material Testing
  • Plate Cutting using Plasma Machine
  • Forming & Welding
  • Gauging & Grinding
  • Bevelling
  • Dye Penetrant (DP) Testing
  • 100% Radiography
  • Solution Annealing
  • Pickling & Passivation
  • Product Identification & Marking
  • Final Quality Inspection

This systematic process helps maintain dimensional accuracy and product reliability for industrial applications.

Our SS 904L Welded Fittings are designed to meet the demanding requirements of industrial piping systems.

Key Features

  • Manufactured from premium-quality stainless steel plates
  • Suitable for large-diameter piping systems
  • Excellent dimensional accuracy
  • High structural integrity
  • Precision welded construction
  • Smooth internal flow path
  • Available in custom sizes and configurations
  • Suitable for fabrication and industrial processing applications

Product Specifications

Specification

Details

Size

6″ NB to 36″ NB

Schedule

SCH 10/10S, SCH 20, SCH 30, SCH 40/40S, STD, SCH 80/80S, XS

Types

ERW, Welded, Fabricated

Forms

Elbows (45° & 90° LR/SR), Equal & Reducing Tees, Barred Tees, Concentric & Eccentric Reducers, Stub Ends, Laterals, Customized Fittings

Specialization

Stub Ends as per MSS SP 43 Standard

We specialize in manufacturing SS 904L Large Dia Welded Fittings for industrial piping systems requiring precision fabrication, dimensional accuracy, and dependable performance. Our production capabilities allow us to manufacture both standard and Custom Large Diameter Welded Fittings to meet diverse project specifications and engineering requirements.

Every fitting is inspected before dispatch to ensure compliance with customer requirements and industry standards.

Test Certificates

  • Manufacturer Test Certificate

  • EN 10204 3.1 / 3.2

  • NACE MR 0175 Certification (where applicable)

Quality checks include:

  • Visual Inspection

  • Dimensional Inspection

  • DP Testing

  • Radiographic Examination

  • Material Traceability

Frequently Asked Questions (FAQ)

Can you manufacture custom large diameter welded fittings?

Yes. We manufacture Custom Large Diameter Welded Fittings according to customer drawings, dimensions, schedules, and project specifications.

These fittings are commonly used in chemical processing, petrochemical, marine, power generation, fertilizer, water treatment, and other industrial piping systems.

Products undergo raw material inspection, dimensional checks, DP testing, radiographic examination, solution annealing, pickling, passivation, and final quality inspection before dispatch.

What are SS 904L Large Dia Welded Fittings?

SS 904L Large Dia Welded Fittings are fabricated piping components manufactured from stainless steel plates and used to connect, redirect, or reduce flow in large-diameter industrial piping systems.

Our fittings are available in sizes ranging from 6″ NB to 36″ NB, with multiple schedules and custom configurations available based on project requirements.

We manufacture elbows, equal and reducing tees, barred tees, concentric and eccentric reducers, stub ends, laterals, and customized welded fittings.

Request a Quote

Looking for SS 904L Large Dia Welded Fittings for your next project?

Contact our team for product information, custom manufacturing requirements, bulk orders, or technical assistance. We’ll help you select the most suitable welded fittings for your industrial application.

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