Based in Chennai, India, we take pride in being a reliable manufacturer and supplier of Alloy Steel WP5 Buttweld Fittings. Our products are crafted to be premium-grade, heat- and pressure-resistant components, perfect for critical piping systems. ASTM A234 WP5 is a chromium-molybdenum alloy steel specifically designed for high-temperature and high-pressure applications. We ensure that our WP5 buttweld fittings meet international standards like ASME B16.9, which guarantees exceptional dimensional accuracy, mechanical strength, and durability. These fittings find their place in thermal power plants, oil refineries, chemical processing, and other heavy-duty industrial sectors that demand long-lasting performance and resistance to corrosion.
| Specifications | : | ASTM A234 / ASME SA234 |
| Size | : | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Standards | : | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | : | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
| Type | : | Seamless / Welded / Fabricated |
Typically, Alloy Steel WP5 Buttweld Fittings contain 5% chromium and 0.5% molybdenum, which significantly boost their high-temperature strength, oxidation resistance, and ability to withstand thermal fatigue. They boast a tensile strength ranging from 415 to 585 MPa and a minimum yield strength of 205 MPa. Our product range includes both seamless and welded options, featuring elbows, tees, reducers, caps, and stub ends. These fittings are designed for smooth flow transitions and structural stability in high-pressure piping systems.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP5 | ≤0.15 | ≤0.6 | ≤0.5 | ≤0.04 | ≤0.03 | 4-6 | 0.44-0.65 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP5 | 415 – 585 | ≥205 | ≥20 |
Meet Fittings one of the largest suppliers of Alloy Steel WP5 Buttweld Fittings in Chennai, India. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Alloy Steel WP5 is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Alloy Steel WP5 Buttweld Fittings in the India.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Alloy Steel WP5 Buttweld Fittings from Meet Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| O.D. or I.D. Diameter | Equivalent Decimal | Nominal Diameter | Typical Threads In Inch |
| 5/16 | 0.313 | 1/16 | 27 |
| 13/32 | 0.405 | 1/8 | 27 |
| 35/64 | 0.540 | 1/4 | 18 |
| 43/64 | 0.675 | 3/8 | 18 |
| 27/32 | 0.840 | 1/2 | 14 |
| 1-3/64 | 1.050 | 3/4 | 14 |
| 1-5/16 | 1.315 | 1 | 11-1/2 |
| 1-21/32 | 1.660 | 1-1/4 | 11-1/2 |
| 1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
| 2-3/8 | 2.375 | 2 | 11-1/2 |
| 2-7/8 | 2.875 | 2-1/2 | 8 |
| 3-1/2 | 3.500 | 3 | 8 |
| 4 | 4.000 | 3-1/2 | 8 |
| 4-1/2 | 4.500 | 4 | 8 |
Alloy Steel WP5 Buttweld Fittings offer exceptional durability, making them ideal for high-pressure and high-temperature environments. Their superior resistance to corrosion, oxidation, and wear ensures longevity, even in harsh industrial conditions. The fittings provide excellent tensile and yield strength, ensuring structural integrity in critical applications. Their seamless design minimizes the risk of leaks and ensures efficient flow of fluids or gases. Easy to weld and install, these fittings reduce downtime during maintenance. Cost-effective and reliable, Alloy Steel WP5 Buttweld Fittings are a preferred choice for demanding industries like oil and gas, power generation, and petrochemicals.
| ASTM A234 WP5 Pipe Fittings (Grade WP5 To WP91) Tolerance | 90 Deg And 45 Deg Elbows And Pipe Tee | Reducer (Concentric/ Eccentric) & Lap Joint Stub End (Long / Short) | Pipe End Caps | |||
| Normal Pipe Size (NPS) Of ASME B16.9 | O. (Outside) D. (Daimeter) at Bevel | I. (Inside) D.(Daimeter) at End | Wall Thickness Of T | Center-to-End Dimension A ,C ,B | Over-all Length Of H | Over-all Length Of F |
| 1/2 to 2-1/2 | +0.06 | Not less than 87.5% of nominal thickness | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| -0.03 | ||||||
| 3 to 3-1/2 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 4 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 5 to 8 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.25 | |
| 10 to 18 | +0.16 | +/- 0.12 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.12 | ||||||
| 20 to 24 | +0.25 | +/- 0.19 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.19 | ||||||
| 26 to 30 | +0.25 | +/- 0.19 | +/- 0.12 | +/- 0.19 | +/- 0.38 | |
| -0.19 | ||||||
| 32 to 48 | +0.25 | +/- 0.19 | +/- 0.19 | +/- 0.19 | +/- 0.38 | |
| -0.19 | ||||||
Yes, custom sizes are available for Alloy Steel WP5 Buttweld Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@meetfitings.co.in.
| STANDARD | 348H Pipe Fittings |
| EN | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| JIS | SUS 316L |
| BS | 316S11 / 316S13 |
| UNS | S34809 |
| WERKSTOFF NO. | 1.4546 |
| AFNOR | Z7CND17‐11‐02 |
| GOST | 03Ch17N14M3 / 03Ch17N14M2 |
Alloy Steel WP5 Buttweld Fittings are perfect for steam pipelines, superheaters, heat exchangers, and high-temperature boiler systems. The high chromium content offers excellent resistance to oxidation and scaling, while molybdenum enhances strength and durability under thermal stress. These fittings are widely utilized in the power generation, petrochemical, and refining industries, where reliability and performance in extreme conditions are essential. With outstanding weldability, structural integrity, and resistance to thermal creep and corrosion, WP5 buttweld fittings provide safe, leak-proof, and long-lasting service in demanding operating environments.








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