904L Stainless Steel Buttweld Fittings are high alloy austenitic stainless steel fittings for improved corrosion resistance in acid, chloride and high temperature applications. ASTM A403 WP904L Buttweld Fittings are widely used in chemical processing, marine, petrochemical, oil & gas, pharmaceutical and power generation sectors for their excellent resistance to pitting, crevice corrosion and stress corrosion cracking.
We are manufacturer & supplier of full variety of ASTM A403 Stainless Steel 904L Pipe Fittings such elbows, tees, reducers, caps, stub ends, pipe bends in seamless and welded forms as per ASME, ASTM, DIN & ANSI standards.
DIN2609 Stainless Steel 904L Pipe Fittings Manufacturer
We are a trusted producer of DIN2609 Stainless Steel 904L Pipe Fittings, supplying high-performance fittings suited for the most demanding industrial applications. These fittings are manufactured using premium quality UNS N08904 stainless steel material that offers high mechanical strength and excellent corrosion resistance even in severe environments containing sulfuric acid and chlorides
We manufacture these Stainless Steel 904L Fittings as per worldwide standards such as ASTM A403 WP904L, ASME SA403, DIN 1.4539, ANSI B16.9 standards to make sure of dimensional accuracy, durability and leak-proof performance.
These fittings are preferred by industries in UAE, Dubai, Qatar, Saudi Arabia, Canada, Europe and South East Asia for their extended service life and reduced maintenance requirements.
Table of Contents
- ➤ What are Stainless Steel 904L Buttweld Fittings?
- ➤ Advantages of ASTM A403 WP904L Pipe Fittings
- ➤ Types of Stainless Steel 904L Pipe Fittings We Offer
- ➤ ASTM A403 WP904L Buttweld Fittings Specifications
- ➤ Mechanical Properties of Stainless Steel 904L Fittings
- ➤ Chemical Composition of UNS N08904 Buttweld Pipe Fittings
- ➤ Stainless Steel 904L Buttweld Fittings Dimensions Chart
- ➤ Stainless Steel 904L Pipe Fittings Weight Chart
- ➤ Applications of Stainless Steel 904L Buttweld Fittings
- ➤ Why Choose Us for Stainless Steel 904L Pipe Fittings?
What are Stainless Steel 904L Buttweld Fittings?
Stainless Steel 904L Buttweld Pipe Fittings are pipe fittings meant for welding purpose that are used to join, reroute, reduce or terminate piping systems. Grade 904L is a super austenitic stainless steel with low carbon and high nickel, molybdenum and copper content, which has good corrosion resistance.
ASTM A403 WP904L Buttweld Fittings are ideal for applications involving:
- Sulfuric acid handling
- Seawater systems
- Heat exchangers
- Petrochemical processing
- Offshore platforms
- Pharmaceutical plants
- Pulp & paper industries
- Fertilizer plants
These fittings maintain structural integrity even under high pressure and elevated temperatures.
Advantages of ASTM A403 WP904L Pipe Fittings
- Superior Corrosion Resistance: 904L offers exceptional resistance to sulfuric acid, chlorides, and seawater environments.
- Excellent Weldability: Low carbon composition minimizes carbide precipitation during welding.
- High Strength: Suitable for high-pressure and elevated temperature applications.
- Long Service Life: Reduced maintenance and replacement costs make these fittings cost-effective.
- Smooth Flow Performance: Precision manufacturing ensures minimum pressure loss and leak-proof operation.
Types of Stainless Steel 904L Pipe Fittings We Offer
We manufacture a wide range of ASTM A403 Stainless Steel 904L Pipe Fittings in seamless, fabricated, and welded forms.
➤ Available Product Range
- 45 Degree Elbow
- 90 Degree Elbow
- Long Radius Elbow
- Short Radius Elbow
- Equal Tee
- Reducing Tee
- Concentric Reducer
- Eccentric Reducer
- Pipe Cap
- Cross
- Lap Joint Stub End
- UNS N08904 Long Stub End
- DIN 1.4539 Stub End
- ASME SA366 SS 904L Pipe Bend Exporter
- Return Bend
- Customized Pipe Bends
We also manufacture heavy wall and high-pressure ASTM A403 WP904L Buttweld Fittings according to project requirements.
Stainless Steel 904L Buttweld Fittings – Standards and Grades
- Standards: ASME B16.9, MSS-SP-43, DIN 2609, ANSI B16.28
- Specifications: ASTM A403 WP904L, ASTM B366 WP904L, ASME SA366
- Material Grade: UNS N08904 / DIN 1.4539
ASTM A403 WP904L Buttweld Fittings Specifications
| Specification | Details |
|---|---|
| Material Grade | Stainless Steel 904L |
| UNS Number | UNS N08904 |
| Werkstoff Number | 1.4539 |
| Standard | ASTM A403 / ASME SA403 |
| Product Type | Buttweld Pipe Fittings |
| Size Range | ½” to 48” |
| Wall Thickness | SCH 5S to SCH XXS |
| Manufacturing Type | Seamless / Welded / Fabricated |
| Pressure Rating | SCH10, SCH40, SCH80, SCH160 |
| Standards | ANSI B16.9, B16.28, MSS SP-43 |
| End Connection | Butt Weld |
| Surface Finish | Pickled, Annealed, Polished |
| Testing | PMI, Hydro, Radiography, IGC, UT |
Mechanical Properties of Stainless Steel 904L Fittings
| Property | Value |
|---|---|
| Tensile Strength | 490 MPa min |
| Yield Strength | 220 MPa min |
| Elongation | 35% min |
| Hardness | 70 HRB max |
| Density | 8.0 g/cm³ |
| Melting Point | 1300 – 1390°C |
Chemical Composition of UNS N08904 Buttweld Pipe Fittings
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.02 Max |
| Chromium | 19.0 – 23.0 |
| Nickel | 23.0 – 28.0 |
| Molybdenum | 4.0 – 5.0 |
| Copper | 1.0 – 2.0 |
| Manganese | 2.0 Max |
| Silicon | 1.0 Max |
| Phosphorus | 0.045 Max |
| Sulfur | 0.035 Max |
Stainless Steel 904L Buttweld Fittings Dimensions Chart
90 Degree Long Radius Elbow Dimensions
| NPS | Outside Diameter | Center to End |
|---|---|---|
| 1/2” | 21.3 mm | 38 mm |
| 1” | 33.4 mm | 57 mm |
| 2” | 60.3 mm | 76 mm |
| 4” | 114.3 mm | 152 mm |
| 6” | 168.3 mm | 229 mm |
Concentric Reducer Dimensions
| Large End | Small End | Length |
|---|---|---|
| 2” | 1” | 76 mm |
| 3” | 2” | 89 mm |
| 4” | 3” | 102 mm |
| 6” | 4” | 140 mm |
Stainless Steel 904L Pipe Fittings Weight Chart
| Size | SCH 40 Weight |
|---|---|
| 1/2” Elbow | 0.12 Kg |
| 1” Elbow | 0.32 Kg |
| 2” Elbow | 0.95 Kg |
| 4” Elbow | 3.80 Kg |
| 6” Elbow | 8.50 Kg |
Applications of Stainless Steel 904L Buttweld Fittings
ASTM A403 WP904L Buttweld Fittings are widely used in industries requiring high corrosion resistance and durability.
- Chemical Processing Plants
- Petrochemical Industries
- Oil & Gas Pipelines
- Marine & Offshore Systems
- Desalination Plants
- Pharmaceutical Industries
- Heat Exchangers
- Power Generation Plants
- Food Processing Units
- Fertilizer Industries
ASTM A403 WP904L Supplier in UAE, Dubai, Qatar & Saudi Arabia
We export ASTM A403 WP904L Buttweld Fittings to major international markets including:
- UAE
- Dubai
- Qatar
- Saudi Arabia
- Oman
- Kuwait
- Bahrain
Our export packaging, fast logistics support, and international quality compliance make us a preferred ASTM A403 WP904L supplier in UAE, Dubai, Qatar, and Saudi Arabia for industrial projects.
Why Choose Solitaire Fittings for Stainless Steel 904L Buttweld Fittings?
- DIN2609 Stainless Steel 904L Pipe Fittings Manufacturer with global presence.
- State-of-the-art manufacturing facilities with strict quality testing.
- Wide stock of elbows, tees, reducers, bends, and stub ends.
- Exporting to over 40 countries worldwide.
- Competitive pricing with on-time delivery.
- Trusted as a 904L SS Buttweld Elbow Supplier in India and abroad.
Stainless Steel 904L Fittings Supplier Canada
As a global Stainless Steel 904L Fittings supplier Canada customers trust, we provide high-quality buttweld fittings for chemical processing, marine, and energy sectors. Our fittings are available with complete mill test certificates, third-party inspection, and custom manufacturing support.
Why Choose Us for Stainless Steel 904L Pipe Fittings?
- International Quality Standards
- Competitive Global Pricing
- Large Ready Stock Availability
- Custom Sizes & Schedules
- Fast Worldwide Delivery
- Experienced Technical Support
- Export Supply Expertise
- Strict Quality Control
We support industrial projects with reliable piping solutions designed for long-term performance.
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Frequently Asked Questions
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