Teerasil Fittings and Plates is a trusted manufacturer and supplier located in Thailand, Bangkok, providing a comprehensive selection of Alloy Steel Buttweld Fittings for industries that require strength, durability, and resistance to temperature fluctuations in their piping systems. With a solid reputation for precision engineering, compliance with international standards, and attentive customer service, the company offers robust, leak-proof, and long-lasting fittings tailored for the oil and gas, petrochemical, power generation, chemical, and marine sectors. Backed by state-of-the-art manufacturing facilities, thorough testing, and strict quality control measures, Teerasil Fittings and Plates ensures safe, efficient, and cost-effective piping solutions for critical industrial operations around the globe.
| 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 |
Alloy Steel Buttweld Fittings are crafted from chromium-molybdenum and other alloying elements to enhance their mechanical and chemical properties. These fittings boast excellent tensile and yield strength, outstanding resistance to creep, oxidation, and corrosion, and reliable performance even under high pressure and elevated temperatures. They are designed for optimal weldability and precise dimensions, guaranteeing secure connections in demanding piping networks where safety and longevity are paramount.
| C, % | Mn, % | P, % | S, % | Si, % | Mo, % |
| 0.28 max | 0.30- 0.90 | 0.045 max | 0.045 max> | 0.10- 0.50 | 1 max |
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 485 min | 205 min | 30 min | 121-174 |
Teerasil Fittings one of the largest suppliers of Alloy Steel Buttweld Fittings in Bangkok, Thailand. 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 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 Buttweld Fittings in the Thailand.
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 Buttweld Fittings from Teerasil 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.
Alloy Steel Buttweld Fittings offer several advantages, making them ideal for high-performance applications. Their composition, including chromium and molybdenum, ensures superior resistance to high temperatures, corrosion, and oxidation, providing long-lasting durability. These fittings exhibit excellent strength, weldability, and thermal stability, making them suitable for high-pressure and high-temperature environments. They are commonly used in critical industries like power generation, petrochemical, and oil & gas. Alloy Steel Buttweld Fittings also reduce maintenance costs due to their extended service life, ensuring reliable performance in demanding applications while minimizing the risk of failure in harsh operating conditions.
Yes, custom sizes are available for Alloy Steel 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@teerasilfittings.com.
These fittings find extensive application in power plants, boiler systems, refinery units, petrochemical processing facilities, and high-pressure steam lines. They are also utilized in heat exchangers, superheaters, reheaters, and industrial process pipelines that handle aggressive fluids and gases. Their blend of mechanical strength, metallurgical stability, and temperature resistance makes them a top choice in marine, chemical, and heavy industrial settings, ensuring smooth, safe, and efficient operations in challenging environments worldwide.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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