Zain Fittings, located in Surabaya, Indonesia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel Buttweld Fittings. Known for their impressive strength and durability, these fittings are built to handle high-pressure and high-temperature situations, all while adhering to international standards. By blending cutting-edge production technology with rigorous quality control, Zain Fittings ensures that their products boast precise dimensions, outstanding mechanical properties, and dependable performance. They cater to various industries, including oil and gas, petrochemical, power generation, and chemical processing, providing Alloy Steel Buttweld Fittings that are essential for critical applications where efficiency, safety, and long-lasting reliability are a must.
| 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 made up of carbon, manganese, chromium, nickel, and molybdenum, with iron serving as the base element. This unique blend gives them high tensile and yield strength, toughness, and remarkable resistance to wear, corrosion, and oxidation. Typically, these fittings have a tensile strength between 415–550 MPa, a yield strength of 250–360 MPa, and an elongation of 20–25%. They also offer excellent weldability and durability, making them perfect for high-pressure and high-temperature service conditions, which is crucial for demanding industrial piping systems.
| 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 |
Zain Fittings one of the largest suppliers of Alloy Steel Buttweld Fittings in Jakarta, Indonesia. 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 Indonesia.
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 Zain 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@zainfittings.id.
These Alloy Steel Buttweld Fittings find their place in industries that need strong and reliable piping solutions. You’ll often see them in oil and gas pipelines, refineries, chemical processing plants, power generation systems, and high-pressure steam pipelines. They’re also well-suited for pressure vessels, boiler connections, and process piping that must withstand tough environments. With their combination of strength, thermal stability, corrosion resistance, and long service life, they truly stand out as the go-to choice for critical industrial and energy applications.
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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