For alloy steel fittings for piping, please inquire with Benkan Kiko, the number one in domestic performance.
Pipe fittings made of alloy steel contain elements such as Cr (chromium) and Mo (molybdenum) and are mainly used for boiler applications, biomass power generation, main piping and reheating piping for thermal power generation, as well as high-temperature and high-pressure piping for petroleum refining and the chemical industry. 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. Benkan Kiko is also contributing to society by trying to manufacture 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. - Strict testing is also conducted for products other than high chromium steel during product development. - To bring out the performance 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. - Testing and inspection are strictly managed, primarily by the 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 technology to produce many products over a long period. We excel in large-diameter and thick-walled fittings, which are widely adopted in many thermal power plants, contributing to the efficiency of ultra-supercritical thermal power plants and others.
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Applications/Examples of results
We have a track record of supplying high-temperature and high-pressure process piping for various fields, including 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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WP92 45E(L) WP92-16 S160 is a fitting made 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 our daily lives is spread throughout the world. Benkan Kiko Co., Ltd. is involved in the manufacturing of welded pipe fittings, which are essential components of this piping. We provide optimal products tailored to the piping environment (design and usage conditions, etc.) and construction situations, 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.