At Solitaire Fittings, we are a trusted name in manufacturing and supplying high-quality ASTM A403 WP347 Alloy Buttweld Fittings. These fittings are widely used in industries that demand high corrosion resistance, durability, and the ability to perform in elevated temperatures. As a leading 347 Pipe Fitting Supplier and one of the most reliable WP347 Buttweld Fittings suppliers, we provide a complete range of pipe fittings to meet diverse industrial requirements.
Whether you are looking for ASTM A403 WP347 PIPE FITTINGS, ASME SA403 WP347 Buttweld Fittings, or specialty items like WP347 Stubends Dealer products and ASTM A403 WP 347 Short Radius Elbow Supplier in India, Solitaire Fittings is your one-stop solution.
What Are ASTM A403 WP347 Alloy Buttweld Fittings?
ASTM A403 WP347 Alloy Buttweld Fittings are stainless steel pipe fittings made from grade 347 stainless steel. Grade 347, also known as UNS S34700, is stabilized with columbium (niobium), which makes it highly resistant to intergranular corrosion and carbide precipitation.
These fittings are perfect for applications involving continuous exposure to high temperatures, such as chemical plants, refineries, power generation units, and food processing industries.
At Solitaire Fittings, our ANSI WP347 Stainless Steel Pipe Fittings are manufactured following ASME, ANSI, and DIN standards. This ensures that our customers receive products that perform reliably under pressure and temperature fluctuations.
Key Features of ASTM A403 WP347 Buttweld Fittings
- Excellent Corrosion Resistance – Especially against intergranular corrosion.
- High-Temperature Strength – Suitable for continuous service at elevated temperatures.
- Stabilized Alloy– Niobium stabilization prevents sensitization.
- Durability– Withstands aggressive environments in refineries and chemical plants.
- Leak-Proof Joints– Buttweld connections ensure strong, long-lasting pipelines.
Our ASTM A403 WP 347 Welded Buttweld Fittings are designed for durability and safety, ensuring superior performance in demanding industries.
Types of ASTM A403 WP347 Alloy Buttweld Fittings We Supply
As reputed A403 347 Fittings manufacturers in India, we supply a wide variety of fittings that suit different piping requirements.
➤ Elbows
- ASTM A403 WP 347 Short Radius Elbow Supplier in India
- Long radius and short radius elbows for changing pipe direction.
- Available in 45°, 90°, and 180° bends.
➤ Tees
- Equal and unequal tees for branching pipelines.
- DIN 1.4301 Pipe Tee is one of our high-demand products.
➤ Reducers
- Concentric and eccentric reducers for connecting pipes of different sizes.
➤ Stub Ends
- We are a trusted WP347 Stubends Dealer.
- Long and short stub ends available.
- ASME SA403 WP 347 Long Stub End Exporter with global supply.
➤ Caps
- End caps for closing pipelines safely.
➤ Cross Fittings
- Used where multiple pipe branches are required.
Every fitting is precision-engineered to meet strict industry standards, ensuring that clients get reliable and leak-free connections.
Advantages of ASTM A403 WP347 Buttweld Fittings
- Prevents leakage in pipelines.
- Long-lasting, reducing frequent replacement costs.
- Handles thermal expansion effectively.
- Easy to install and maintain.
- Meets strict international safety standards.
ASTM A403 WP347 Standards and Grades We Offer
Our ASTM A403 WP347 PIPE FITTINGS and ASME SA403 WP347 Buttweld Fittings are manufactured to meet global standards, including:
- ASTM A403 / ASME SA403
- ANSI B16.9, B16.28
- DIN, JIS, and MSS SP-43
- ASTM A403 WP347
- ASTM A403 WP347H (high carbon version for improved creep resistance)
ASTM A403 WP347 Pipe Fittings Specifications
| Spcification | Details |
|---|---|
| Product | ASTM A403 WP347 Alloy Buttweld Fittings |
| Material Grade | ASTM A403 WP347 / WP347H |
| Standard | ASTM A403 / ASME SA403 |
| Equivalent Material | UNS S34700, DIN 1.4550 |
| Type | Seamless / Welded / Fabricated |
| Size Range | ½” to 48” (DN 15 to DN 1200) |
| Wall Thickness | SCH 10S, SCH 20, SCH 40, SCH 80, SCH 120, SCH 160, SCH XXS |
| Fittings Types | Elbow (45°, 90°, 180°), Tee (Equal/Unequal), Reducer (Concentric/Eccentric), Stub Ends (Short & Long), Caps, Crosses |
| End Connections | Beveled End (BE), Plain End (PE), Flanged End |
| Dimensions Standard | ANSI B16.9, B16.28, MSS-SP-43, DIN, JIS |
| Pressure Ratings | Class 150#, 300#, 600#, 900#, 1500#, 2500# |
| Surface Finish | Pickled, Sand Blasted, Polished |
| Application Industries | Oil & Gas, Petrochemical, Power Generation, Chemical Processing, Marine, Food & Beverage, Pharmaceuticals |
ASTM A403 WP347 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 515 min |
| Yield Strength (MPa) | 205 min |
| Elongation (%) | 35 min |
| Hardness (Brinell) | 217 max |
ASTM A403 WP347 Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Silicon (Si) | ≤ 1.00 |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 13.0 |
| Niobium (Cb) | Stabilized with Nb (10 x C – 1.0%) |
Applications of ASTM A403 WP347 Buttweld Fittings
Our UNS S34700 Pipe Fittings suppliers serve industries worldwide where corrosion resistance and high-temperature performance are crucial. Typical applications include:
- Petrochemical Industries – For pipelines carrying aggressive chemicals.
- Oil & Gas Industry – Offshore and onshore pipeline fittings.
- Power Generation Plants – For high-pressure steam lines.
- Food & Beverage Industry – Sanitary pipe fittings with corrosion resistance.
- Pharmaceuticals – Pipelines requiring hygiene and durability.
- Marine Industry – Resistance to seawater corrosion.
Why Choose Solitaire Fittings for ASTM A403 WP347 Pipe Fittings?
As a global name in WP347 Buttweld Fittings suppliers, we stand out because of:
- High-Quality Raw Materials – We source premium-grade stainless steel.
- Precision Engineering – Each fitting is manufactured with accuracy.
- Wide Range of Products – From ANSI WP347 Stainless Steel Pipe Fittings to custom-designed solutions.
- Competitive Pricing – Affordable without compromising quality.
- Global Supply Network – We are recognized as a reliable ASME SA403 WP 347 Long Stub End Exporter worldwide.
- Customer-Centric Approach – Tailored solutions for client requirements.
Solitaire Fittings – Leading A403 347 Fittings Manufacturers in India
Being one of the most reliable A403 347 Fittings manufacturers in India, we not only meet the demands of the domestic market but also export to the Middle East, Europe, Asia, and Africa. Our ability to deliver bulk orders on time, combined with strict quality control, makes us the preferred choice for clients globally.
Request Your ASTM A403 347 Alloy Buttweld Fittings Quote Today!
