Uday Flanges has built a solid reputation as a leading manufacturer and supplier of C22.8 flanges, proudly based inDubai, UAE. These flanges meet the Chinese national standard GB/T 12228-2008 (often called C22.8) and are commonly utilized in various industrial piping systems. Crafted with precision and durability in mind, C22.8 flanges are capable of handling a wide range of pressure ratings and sizes, making them versatile for many applications. At Uday Flanges, we prioritize strict quality control and adherence to international standards, ensuring that we deliver reliable and cost-effective flange solutions for industries like oil & gas, chemical, power, and water treatment.
C22.8 flanges are generally made from carbon steel, stainless steel, or various alloy steel grades, including Q235, 16Mn, SS304, and SS316. Their chemical makeup features carbon, manganese, silicon, chromium, and nickel, which work together to boost strength, corrosion resistance, and weldability. While mechanical properties can differ based on the grade, they typically showcase tensile strengths ranging from 400 to 700 MPa and yield strengths between 235 and 450 MPa. Designed for pressure classes from PN6 to PN40, C22.8 flanges excel in mechanical performance and durability across a variety of industrial operating conditions.
Uday Flanges, a leading supplier in Dubai, UAE, offers an extensive selection of C22.8 Flange, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
| Specifications | C22.8 |
| ASME B16.5 Carbon Steel C22.8 Flanges size range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Carbon Steel C22.8 Flanges Standards | ANSI/ASME B16.5, B16.48, BS4504, B16.47 Series A & B, EN-1092, BS 10, DIN, ASME Flanges, ANSI Flanges, DIN Flanges, BS Flanges, GOST Flanges,EN Flanges |
| Carbon Steel C22.8 Flanges Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Carbon Steel C22.8 Flanges Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Carbon Steel C22.8 Flanges Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Carbon Steel C22.8 Flanges Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Carbon Steel C22.8 Flanges Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Element / Component | Composition % |
| Carbon ( C ) | 0.18 – 0.23 |
| Manganese ( Mn ) | 0.40 – 0.90 |
| Phosphorus ( P ) | 0.035 max |
| Sulphur ( S ) | 0.030 max |
| Silicon ( Si ) | 0.40 max |
| Aluminium ( Al ) | 0.015 – 0.050 |
| Chromium ( Cr ) | 0.30 max |
| Items | Value |
| Yield Strength ReH N/mm2 | 240 min |
| Tensile Strength Rm N/mm2 | 410 – 540 |
| Elongation ( A ) | 25% min |
| Impact Test ( J ) | 44 min |
C22.8 flanges find extensive use in industrial piping systems across sectors like oil & gas, petrochemical, power generation, water treatment, and chemical processing. They ensure secure, leak-resistant connections for pipelines, valves, pumps, and other equipment that operate under different pressures and temperatures. Their standardized design makes installation and maintenance a breeze, making them ideal for both new builds and repair projects. While C22.8 flanges are particularly favored in markets adhering to Chinese national standards, their quality and performance have earned them a global reputation, making them a trusted choice for diverse applications.
Yes, we offer custom sizes for C22.8 Flange to meet specific project needs. Our team at Uday Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@udayflanges.ae.
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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