Zain Fittings, located in Surabaya, stands out as a reliable **Alloy Steel WP91 Buttweld Fittings Manufacturer and Supplier in Jakarta, Indonesia**. They’re well-known for providing high-strength, heat-resistant piping solutions that are crucial for various industrial systems. With a strong emphasis on quality and performance, Zain Fittings produces WP91 buttweld fittings that comply with international standards like ASME and ASTM. These fittings are designed to withstand the rigors of high-pressure and high-temperature environments, making them perfect for power plants, refineries, and petrochemical facilities in Jakarta. With a team of technical experts and a dedication to customer satisfaction, Zain Fittings plays a vital role in supporting Jakarta’s industrial infrastructure with their precisely engineered products.
| 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 |
As a top **Alloy Steel WP91 Buttweld Fittings Manufacturer and Supplier in Jakarta, Indonesia**, Zain Fittings creates fittings from a specialized chromium-molybdenum-vanadium alloy steel. The typical makeup includes 9% Chromium, 1% Molybdenum, along with trace amounts of Vanadium and Nitrogen, which provide exceptional creep strength and oxidation resistance. The mechanical properties boast a tensile strength ranging from 585 to 760 MPa and a yield strength of about 415 MPa. These characteristics make WP91 particularly suitable for high-temperature applications, where long-term stability and resistance to thermal fatigue and corrosion are crucial for safe operations.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP91 | 0.08-0.12 | 0.3-0.6 | 0.2-0.5 | ≤0.02 | ≤0.015 | 8-9.5 | 0.85-1.05 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP91 | ≥590 | ≥415 | ≥20 |
Zain Fittings’ **Alloy Steel WP91 Buttweld Fittings** are extensively utilized throughout Jakarta in industries that demand reliable, high-performance components. You’ll find them in applications like superheaters, heat exchangers, pressure vessels, and high-temperature steam pipelines in both thermal and nuclear power plants. These fittings are especially designed for situations where they will be exposed to elevated temperatures and pressures for extended periods. With rigorous quality control measures in place, Zain Fittings ensures that their products meet the highest standards for performance and safety.
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 WP91 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 WP91 Buttweld Fittings offer numerous advantages, especially in high-temperature and high-pressure applications. Their composition, featuring chromium and molybdenum, provides outstanding resistance to oxidation, corrosion, and thermal fatigue. WP91 fittings are known for their excellent weldability, strength, and durability, ensuring long-term performance in demanding industries like power generation, petrochemical, and oil & gas. They maintain structural integrity even under extreme conditions, reducing the risk of failure. Additionally, WP91 Fittings require minimal maintenance and offer cost-effective solutions due to their longevity, making them a reliable choice for critical systems in challenging environments.
Yes, custom sizes are available for Alloy Steel WP91 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.
Alloy Steel WP91 Buttweld Fittings are widely used in industries requiring high-strength materials for extreme conditions. They are commonly found in power generation plants, where they are used in steam pipelines, boilers, and pressure vessels due to their excellent resistance to high temperatures. In the petrochemical industry, WP91 fittings are essential for handling high-pressure fluids and gases. They are also used in the oil and gas sector, particularly in refineries and offshore platforms. Where durability, corrosion resistance, and performance under extreme conditions are critical for safe and efficient operations.
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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