Supachok Flanges, a well-respected manufacturer and supplier based in Bangkok, Thailand, offers top-notch Stainless Steel 304 Flanges that are built to withstand corrosion and last for years. Crafted with precision and a commitment to international standards, these flanges are perfect for a variety of industries that demand strength and reliability. The Stainless Steel 304 Flanges are among the most adaptable and commonly used types, thanks to their excellent welding capabilities, formability, and resistance to oxidation. Supachok Flanges serves sectors like oil and gas, chemical processing, power generation, and marine applications, providing durable and cost-effective flange solutions.
These flanges are made from a blend of iron, 18–20% chromium, and 8–10.5% nickel, which together offer impressive resistance to corrosion and oxidation. They also include trace amounts of manganese, silicon, and carbon to boost their strength and performance. In terms of mechanics, 304 flanges provide outstanding tensile and yield strength, high toughness, good elongation, and remarkable durability even under high pressure and temperature fluctuations. With these robust mechanical properties, Stainless Steel 304 Flanges guarantee long-lasting and dependable performance in critical settings, making them suitable for both welded and bolted connections.
| Specifications List | ASTM A182 / ASME SA182 |
|---|---|
| Class / Pressure Rating | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) |
| ASTM Standards | ANSI/ASME B16.5, B16.48, BS4504, B 16.47 Series A & B, BS 10, EN-1092, DIN, etc. |
| Standard s | ANSI, ASME, BS, DIN, EN etc. |
Supachok Flanges, a leading supplier in Bangkok, Thailand, offers an extensive selection of Stainless Steel 304 flanges, 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.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Thanks to their strength, corrosion resistance, and versatility, Stainless Steel 304 Flanges are widely utilized across various industries. They find applications in pipelines, refineries, and chemical processing facilities for safe and efficient fluid management. In the marine industry, they are essential for seawater systems, shipbuilding, and desalination plants. Their hygienic surface makes them perfect for food processing, dairy, and pharmaceutical equipment. Moreover, they are extensively used in power generation, construction, and water treatment sectors, ensuring reliable connections and leak-proof performance in demanding environments.
| NPS (in.) | Stainless Steel 304 Flanges Dimensions | ||||
|---|---|---|---|---|---|
| Dia. of Flange (in.) | No. of Bolts | Dia. of Bolts (in.) | Dia. of Bolt Holes (in.) | Bolt Circle (in.) | |
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
Yes, we offer custom sizes for Stainless Steel 304 flanges to meet specific project needs. Our team at Supachok Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@supachokflanges.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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