For alloy steel fittings for piping, please consult Benkan Kiko, the number one in domestic achievements.
Alloy steel fittings for piping contain elements such as Cr (chromium) and Mo (molybdenum), and are primarily used for main piping and reheating piping in boilers, biomass power generation, thermal power generation, as well as high-temperature and high-pressure piping in petroleum refining and chemical industries. Benkan Kiko has a proven track record in the manufacturing of various alloy steel fittings. Additionally, for some materials, we have stock of the steel pipes required, allowing us to deliver relatively quickly. Achieving a carbon-neutral society necessitates reducing CO2 emissions through increased efficiency in plants. Low-alloy steel and high-chromium steel pipe fittings that can withstand harsh high-temperature process environments have become essential products under such conditions. Furthermore, Benkan Kiko is also contributing to society by exploring the manufacturing of special specifications and new materials. <Representative Steel Grades> (JIS Standards) PA12, PA22, PA23, PA24, PA25, PA26 (Thermal Power Standard Materials) Fire STPA28, Fire STPA24J1, Fire STPA29 (ASME/ASTM) A234WP1, WP12, WP11, WP22, WP5, WP9, WP91, WP92
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basic information
- For high chromium steel primarily used in the piping of thermal power plants, such as main steam and reheat steam piping, as well as boiler tubes, we conduct long-term creep evaluation tests and confidently provide high-quality products. - We also conduct rigorous testing for product development of items other than high chromium steel. - To bring out the performance characteristics of alloy steel in high-temperature environments, managing the forming and heat treatment processes of pipe fittings is crucial. We provide pipe fittings tailored to customer needs by optimizing and standardizing the manufacturing methods and heat treatment suitable for the material. - We strictly manage testing and inspection, centered around our quality assurance department. Tests and inspections that require skill are performed and judged by qualified personnel. - In particular, high chromium steel fittings require advanced technical skills, and at Benkan Kiko, we leverage our high level of expertise to produce numerous products over many years. We specialize in large diameter and thick-walled fittings, which are widely adopted in many thermal power plants, contributing to the efficiency improvements of ultra-supercritical thermal power plants and others.
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Applications/Examples of results
We have a proven track record in various fields, including high-temperature and high-pressure process piping for thermal power plants, nuclear power plants, and petrochemical plants.
Detailed information
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Fire - STPA28 90E (S) Fire - STPA28 22B 47.6T This is a thick-walled short elbow. The bevel is manufactured with a plain end.
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This is a fitting manufactured from WP92, which is particularly excellent in high-temperature and high-pressure resistance among high chromium alloy steels.
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PA24 90EL PA24 5B 34.0T This is a relatively small-diameter thick-walled product.
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B31 CASE 183 (WP92) 90.57°E (L) B31 CASE 183 711.0 37T This is a large-diameter product with a sharp angle. It is made of a special material as per the customer's specifications.
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A234-WP22-CL1 90E(L) A234-WP22-CL1 14 60.0T This is a thick-walled product of WP22.
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From residential water supply and hot water piping to massive pipelines in large-scale plants, piping that supports daily life is spread all over the world. Benkan Kiko Co., Ltd. is involved in the manufacturing of welded pipe fittings, which are essential piping components. We provide optimal products tailored to the piping environment (design, usage conditions, etc.) and construction circumstances, not only for general building water supply and hot water piping but also for power plants, gas plants, refineries, oil and chemical plants, shipbuilding, and more, where strict quality standards are required.