GOST 12821-80 Flanges are top-notch flanges crafted according to the Russian standard GOST 12821-80, built to ensure dependable and leak-proof connections in piping systems. These flanges find their place in various industrial settings that demand durability, resistance to corrosion, and precision, such as oil and gas, petrochemical, chemical processing, and power generation. Typically made from materials like carbon steel, stainless steel, or alloy steel, GOST 12821-80 Flanges boast sturdy construction, accurate dimensions, and a long lifespan, guaranteeing safe and efficient operation in challenging piping networks and critical industrial systems.
Constructed from high-quality carbon steel, stainless steel, or alloy steel, GOST 12821-80 Flanges feature chemical compositions that include carbon, chromium, nickel, and molybdenum, enhancing their strength, toughness, and corrosion resistance. These flanges showcase impressive mechanical properties, such as high tensile and yield strength, good ductility, and the ability to handle moderate to high pressure and temperature conditions. Their precise engineering guarantees structural stability, leak-proof performance, and long-lasting reliability, making them perfect for demanding industrial piping applications.
Quan Flanges, a leading supplier in Da Nang, Vietnam, offers an extensive selection of S235jrg2 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.
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Standards | API7S-15, API7S-43, API605, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, EN1092 |
| Pressure Rating ANSI | 600 LBS, 900 LBS, 150 LBS, 2500 LBS, 300 LBS, 1500 LBS |
| Pressure Calculation in DIN | 16Bar 6Bar 25Bar 40Bar 10Bar / PN10 PN16 PN6 PN25 PN64 PN40 |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Anti-rust Paint, Zinc Plated,Oil Black Paint, Cold and Hot Dip Galvanized, Yellow Transparent |
| Most common types | Forged / Threaded / Screwed / Plate |
| C | Si | Mn | Ni | P | S | Cr | Mo | Al | – |
| max 0.2 | max 0.55 | max 1.4 | max 0.3 | max 0.045 | max 0.045 | max 0.3 | max 0.08 | min 0.02 | Cr+Mo+Ni < 0.48 |
| Minimum yield strength Reh MPa | Tensile strength Rm MPa | Minimum elongation – A Lo = 5,65 * √So (%) | Notch impact test | |||||||||||
| Steel grade | Nominal thickness mm | Nominal thickness mm | Nominal thickness mm | Temperature | Min. absorbed energy | |||||||||
| ≤16 | >16 ≤40 | >40 ≤63 | >63 ≤80 | >80 ≤100 | >100 ≤125 | >3 ≤100 | >100 ≤125 | >3 ≤40 | >40 ≤63 | >63 ≤100 | >100 ≤125 | °C | J | |
| S235JR | 235 | 225 | 215 | 195 | 360-510 | 350-500 | 26 | 25 | 24 | 22 | +20 | 27 | ||
GOST 12821-80 Flanges are commonly utilized in pipelines, valves, pumps, and pressure vessels across sectors like oil and gas, petrochemical, chemical processing, and power generation. They excel in systems that require secure connections, corrosion resistance, and straightforward installation and maintenance. These flanges ensure operational safety, long-term durability, and efficient performance in industrial piping networks. Their adherence to GOST standards, along with robust construction and precise manufacturing, makes GOST 12821-80 Flanges a fantastic choice for critical applications where reliability, safety, and operational efficiency are paramount.
Yes, we offer custom sizes for S235jrg2 Flange to meet specific project needs. Our team at Quan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@quanflanges.com.
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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