Ronwen Flanges is a well-respected manufacturer and supplier of Incoloy Socket Weld Flanges based in Cape Town, South Africa. They’ve built a solid reputation for providing high-performance flanging solutions across a variety of industries. With a strong focus on quality, innovation, and customer satisfaction, Ronwen Flanges specializes in crafting socket weld flanges from top-notch Incoloy alloys. These flanges are designed to handle high pressures and temperatures, offering exceptional corrosion resistance even in the toughest environments. Thanks to their advanced manufacturing techniques and a skilled team, Ronwen Flanges caters to both local and international markets, delivering reliable, precision-engineered Incoloy socket weld flanges that adhere to global standards and specifications.
Incoloy 825 flanges consist mainly of nickel (38-46%), steel and chromium, to which molybdenum, copper and titanium are added to improve their performance. This alloy offers excellent resistance to pitting, stress corrosion cracking and oxidation. Mechanically, Incoloy 825 possesses a tensile strength of around 550 MPa and a yield strength of around 220 MPa, with an expansion of around 30% The flanges maintain stability and strength at elevated temperatures. Benefits are good resistance to environmental corrosion, acidity and seawater, which makes it suitable for chemical processing, oil and gas, and marine spatial uses which is critical for reliability
Specifications : ASTM B564 / ASME SB564
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″ (15 NB) to 48″ (1200NB)
Class/Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Type : Slip on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded / Screwed flange, Tongue and Groove flange, Long weld neck flange, Flat flange, Industrial flanges, Plate flange, ASME B16.5 flanges.
The Incoloy Socket Weld Flanges produced by Ronwen Flanges in Cape Town are primarily made from nickel, iron, and chromium, with varying amounts of molybdenum, copper, and titanium depending on the specific grade (like Incoloy 800 or 825). These alloys are known for their impressive strength, oxidation resistance, and ability to withstand various acidic and aqueous environments. They boast mechanical properties such as high tensile strength, good yield strength, and remarkable creep resistance, making them perfect for high-stress, high-temperature applications. Each flange is manufactured to strict quality standards, ensuring durability, stability, and long-lasting performance even under extreme conditions.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| Incoloy 825 | 0.05 max | 1.00 max | 0.5 max | 0.03 max | 1.50 – 3 | 22.00 min | 38 – 46 | 19.50 – 23.50 | 0.02 max | 0.06 – 1.20 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.14 g/cm3 | 1400 °C (2550 °F) | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa – 220 | 30 % |
Incoloy 825 flanges find extensive use in situations where there is a need for high corrosion resistance and high temperatures. They are best suited for the petroleum and chemical industries, where phosphoric and sulfuric acids are well managed. In the oil and gas industry applications, these flanges find application in pipelines because of their stress resistance, corrosion and cracking resistance in offshore acid and gas conditions besides their efficiency in mechanical fouling, heat exchangers, nuclear fuel reprocessing and marine engineering. Their turbulence resistance in environments guarantees reliability and durability even in extreme operating conditions.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
Ronwen Flanges’ Incoloy Socket Weld Flanges are widely utilized in industries that demand reliable, corrosion-resistant piping connections. This includes sectors like petrochemical, marine, power generation, oil and gas, and chemical processing. These flanges are particularly suited for high-pressure, high-temperature systems and are commonly found in heat exchangers, pressure vessels, reactors, and condensers. Their socket weld design ensures a smooth bore and a robust joint, guaranteeing leak-proof performance in critical applications. Ronwen Flanges is committed to ensuring that each flange meets the highest standards of quality and reliability.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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