Alloy Steel Flanges are crucial components in various industrial applications, known for their exceptional strength, durability, and resistance to corrosion and high-temperature environments. These flanges play a pivotal role in connecting pipes, valves, and other equipment in pipelines, facilitating the safe and efficient transfer of fluids and gases. Here's a concise overview of alloy steel flanges in 350 words:
Material Composition: Alloy steel flanges are made from a blend of iron and various alloying elements such as chromium, molybdenum, nickel, and others. The specific alloy composition varies based on the application and the required properties.
High Strength: One of the primary advantages of alloy steel flanges is their exceptional strength. This property makes them suitable for handling high-pressure and high-temperature applications, which are common in industries like petrochemical, oil and gas, and power generation.
Corrosion Resistance: Alloy steel flanges exhibit excellent resistance to corrosion, particularly when compared to carbon steel flanges. The addition of alloying elements, especially chromium, forms a protective oxide layer on the surface, preventing rust and degradation.
Temperature Resistance: Alloy steel flanges are capable of withstanding extreme temperatures, making them suitable for applications where temperature fluctuations are significant. They maintain their mechanical properties at both high and low temperatures.
Versatility: These flanges are available in various types, including slip-on, weld neck, socket weld, and blind flanges. Their adaptability and availability in different sizes and pressure ratings make them versatile for diverse applications.
Pressure Ratings: Alloy steel flanges come with a wide range of pressure ratings, allowing them to be used in applications ranging from low-pressure systems to high-pressure, critical processes.
Common Applications: Alloy steel flanges find use in numerous industries, including oil and gas, petrochemical, chemical processing, power generation, and shipbuilding. They are vital for connecting and sealing pipes, valves, and other equipment in these sectors.
Quality Standards: To ensure the safety and reliability of these components, they must adhere to various industry standards and specifications. Common standards include ASME B16.5, ASME B16.47, and ASTM A182/A350.
Weldability: Alloy steel flanges can be easily welded to the corresponding pipe or equipment, ensuring a secure and leak-free connection.
Maintenance: Regular inspection and maintenance are essential to ensure the continued performance and integrity of alloy steel flanges. This includes checking for signs of corrosion, damage, and proper sealing.
Manufacturing Process Of Alloy Steel Flanges
Raw Material Selection
The manufacturing process of flanges begins with the careful selection of raw materials.
Cutting and Shaping
Once the raw materials are selected, they undergo a precise cutting and shaping process.
Finishings and Coatings
Coating the materials to a specific temperature ensures they become malleable, facilitating the shaping process.
Welding and Joining
These processes ensure secure and leak-proof connections, enhancing the reliability and longevity.
Finishing and Quality Control
After this the buttweld fittings undergo comprehensive finishing and quality control procedures.
Packaging and Delivery
To reach their destination in pristine condition, we employ careful packaging techniques.
Specification Of Alloy Steel Flanges
Standard |
ASTM A181 / ASME SA181 |
Dimension |
ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
Flanges Size |
1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
Flange Face Type |
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
Pressure Class |
PN 2.5 TO PN 400 |
Pressure Rating ANSI |
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
Pressure Calculation in DIN |
6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
Table |
D, E, F, H |
Types |
Forged / Threaded / Screwed / Plate |
Form |
Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange. |
Flanges Marking |
All Flanges are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer’s request.) |
Types Of Alloy Steel Flanges
Alloy Steel Slip-On Flanges
Alloy Steel Weld Neck Flanges
Alloy Steel Socket Weld Flange
CrMo Ring Type Joint Flange
Alloy Steel Threaded Flanges
Alloy Steel Forged Flange
Alloy Steel Lap Joint Flange
Alloy Steel Spectacle Blind Flange
Alloy Steel Reducing Flanges
High Pressure Steel Square Flanges
Alloy Steel Flat Face Flange
Other Types Of Alloy Steel Flanges
- Alloy Steel Socket Weld Flanges
- Alloy Steel Blind Flanges
- Alloy Steel Threaded Flanges
- Chrome Moly Tongue & Groove Flanges
- Alloy Steel Spectacle Blind Flanges
- Alloy Steel Plate Flanges
- CrMo Lap Joint Flanges
- Alloy Steel Reducing Flanges
- Alloy Steel Weld Neck Flanges
- ASTM A181 Alloy Steel Ring Type Joint Flanges
- Alloy Steel Pipe Flanges
- Chrome Moly Long Weld Neck Flanges
- CrMo Forged Flanges
- High Pressure Steel Slip On Flanges
- Alloy Steel Loose Flanges
- CrMo SWRF Flange
- Alloy Steel Welding Neck Flange
- High Pressure Steel Male & Female Flanges
- Alloy Steel Ring Type Joint Flanges
- ASTM A181 Alloy Steel Flat Face Flanges
- Alloy Steel RTJ Flanges
- Alloy Steel Blind Flange
- ASME B16.5 Alloy Steel BLRF Flanges
- ASME SA181 Alloy Steel Nipoflange
- Chrome Moly Nickel PN 10 Flange
- Alloy Steel Screwed Flanges
- CrMo SORF Flanges
- Alloy Steel Slip on Flanges
- Chrome Moly Socket weld Flanges
- Alloy Steel Spectacle Blind Flanges
Alloy Steel Flanges Price, Dimension, Weight
Alloy Steel Flanges Industrial Application
Power Generation Industry
Export & Supply Destination of Alloy Steel Flanges
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Europe
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Asia & Middle East
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Africa
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America
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Oceania
- Countries - Poland, Austria, Serbia, Cyprus, Ireland, Netherlands, Russia, Malta, Lithuania, Switzerland, Belgium, Bulgaria, Romania, Portugal, Monaco, Denmark, Ukraine, Croatia, Belarus, Sweden, Italy, Hungary, United Kingdom, France, Slovakia, Greece, Estonia, Czechia/Czech Republic, Luxembourg, Liechtenstein, Azerbaijan, Germany, Latvia, Spain, Turkey, Moldova, Finland, Norway.
- Cities - Marseille, The Hague, Málaga, Frankfurt am Main, Riga, Bielefeld, Cluj-Napoca, Seville, Lublin, Mannheim, Hamburg, Wrocław, Bari, Lyon, Sintra, Amsterdam, Łódź, Hanover, Barcelona, Copenhagen, Malmö, Zaragoza, Athens, Zagreb, Essen, Dublin, Bratislava, Gothenburg, Vila Nova de Gaia, Nantes, Dortmund, Berlin, Utrecht, Palermo, Vilnius, Tallinn, Florence, Leipzig, Poznań, Gdańsk, Naples, Karlsruhe, Wuppertal, Münster, Murcia, Galați, Bochum, Kaunas, Varna, Bucharest, Duisburg, Kraków, Rotterdam, Sofia, Bonn, Alicante, Milan, Warsaw, Bilbao, Córdoba, Cologne, Helsinki, Thessaloniki, imișoara, Palma de Mallorca, Bydgoszcz, Bologna, Düsseldorf, Stockholm, Toulouse, Lisbon, Espoo, Nuremberg, Aarhus, Madrid, Genoa, Antwerp, Iași, Las Palmas, Brno, Paris, Valencia, Bremen, Plovdiv, Munich, Vienna, Nice, Prague, Dresden, Stuttgart, Augsburg, Budapest, Constanța, Szczecin, Turin, Rome.
- Countries - Macau, Bhutan, Maldives, Japan, Philippines, Myanmar, Sri Lanka, United Arab Emirates, Nepal, Vietnam, Armenia, Iran, South Korea, Israel, Bahrain, Indonesia, Jordan, Thailand, Azerbaijan, India, British, Kyrgyzstan, Egypt, Bangladesh, Qatar, Saudi Arabia, Oman, Lebanon, Singapore, North Korea, Hong Kong, Afghanistan, Turkey, Russia, Iraq, Malaysia, Taiwan, Mongolia, China, Kuwait.
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- Countries - Venezuela, United States of America, Canada, Uruguay, Chile, Guyana, Guatemala, Colombia, Brazil, Barbados, Dominican Republic, Peru, Cuba, Nicaragua, Saint Vincent and the Grenadines, Saint Lucia, Ecuador, Dominica, Paraguay, Mexico, Bahamas, Bolivia, Haiti, Argentina, Antigua and Barbuda, Belize, Jamaica, Costa Rica, Grenada, El Salvador, Honduras, Trinidad and Tobago, Suriname, Panama.
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- Countries - Micronesia, Samoa, Vanuatu, Fiji, Nauru, Marshall Islands, Palau, Solomon Islands, Australia, Tuvalu, Papua New Guinea, Tonga, Kiribati, New Zealand.
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