Bismuth flanges are essential components in cryogenic systems and superconducting technologies, often composed of low thermal conductivity metal such as bismuth. With vacuum seals in cryogenic equipment and experiments often made out of them for creating vacuum seals as well as structural support, bismuth flanges play an integral part.
Bismuth flanges are composed of bismuth metal with unique properties and applications, one being their corrosion resistance - making it suitable for environments exposed to harsh chemicals or moisture exposure, thus increasing lifecycle while decreasing maintenance needs and costs substantially.
Bismuth stands out among metals as being particularly soft and easy to work with compared to its peers, enabling precise shaping and customization of flanges according to design requirements while streamlining production processes to produce superior end products.
Bismuth not only stands out in terms of corrosion-resistance and machinability but also offers excellent weldability allowing seamless integration into various systems and structures. Joining bismuth flanges together requires only simple preparation for welding to produce strong connections which increase assembly reliability and performance significantly.
Bismuth flanges find applications across several industries, including chemical processing, oil and gas exploration and extraction, pharmaceutical production and electronics assembly. Thanks to their corrosion resistant surface coatings and properties that protect from potential corrosive substances such as pipelines or storage tanks being exposed directly, these versatile components ensure operational integrity while guaranteeing safety even under challenging circumstances.
Bismuth flanges are popularly utilized in chemical processing plants to transport corrosive fluids or gases through piping systems without leakages disrupting production, keeping contamination to an absolute minimum and minimizing leakages during leakages. Similar use exists within electronics equipment like heat exchangers and condensers where their corrosion-resistance and thermal conductivity capabilities play a vital role for optimal performance.
Bismuth flanges have long been revered for their corrosion-resistance and machinability - two qualities which ensure critical components remain undamaged, contributing to aircraft, vehicles and other forms of transportation systems overall safety and reliability. Furthermore, pharmaceutical industry equipment often incorporates bismuth flanges due to hygiene requirements as well as corrosion resistance requirements, providing peace of mind while increasing productivity while manufacturing medicines or chemical production facilities.
Apple Steels is a leading manufacturer and supplier of bismuth flanges in Mumbai, India. Specializing in corrosion-resistant metal components, we offer high-quality bismuth flanges tailored to diverse industrial applications. With a reputation for reliability and excellence, our company serves clients worldwide with precision-engineered solutions for their piping and equipment needs.
Raw Material
At the very first process, the system controls check the quality of supplies raw materials as per the test certificate and also visual and dimension.
Material Inspection
Incoming quality control (IQC) is the process of observes the quality of materials and parts for manufacturing a product before production starts.
Material Cutting
In this process refers to manufacturing flanges by cutting stripes from the middle plate and then rolling them into round shape.
Flange Forging
Forged flanges generally have lower carbon content than cast flanges and are less disposed to rust. In Forgings Material Grade Check, weight measuring, and control the temperature.
Final Inspection
In this method measure & inspect the dimension & size of the flange. The diameter is check to control what size pipe a flanges can be used.
| Standard | - |
| Dimensions | 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 |
| Flange Size Chart | 1/2" (15 NB) to 48" (1200NB), DN10~DN5000 |
| Pressure Rating | 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 |
| JIS | 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K |
| Flange Connection / 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, Flange Pipe. |
| Origin | West Europe / Japan / Indian / USA / Korean |
| Types of Flanges | Threaded / Screwed / Forged / Plate |
| Coating | Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized |
| Test Of Flange | Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine. |
| Production technique Used | Heat treated, Forged and Machined |
| Equipment | Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc. |
| Test Certificates | EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc |
Electrical Industry
Automotive Industry
Construction Industry
Defence Industry
Pharmaceutical Industry
Petroleum Industry
Petrochemical Industry
Milk & Dairy Industry
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