
Royal Business is a reliable distributor and supplier of stainless steel flanges, offering a wide range of SS flanges designed for strength, durability, and excellent corrosion resistance. Sourced from trusted manufacturers, our stainless steel flanges are suitable for diverse industrial applications requiring dependable performance under demanding conditions.
We supply various flange types including Weld Neck, Slip-On, Socket Weld, Threaded, Lap Joint, and Blind Flanges, in compliance with international standards such as ASTM A182. Available in sizes from ½ inch to 48 inches and pressure classes ranging from 150 to 2500 and PN6 to PN64, our stainless steel flanges are widely used in industries such as chemical processing, oil & gas, petrochemicals, fertilizers, power generation, shipbuilding, food processing, and construction. With consistent quality, multiple grade options, and competitive pricing, Royal Business serves as a trusted source for project and industrial flange requirements
SS flange dimensions range from small to large diameters, suitable for low to high-pressure applications. Each flange is manufactured with precision to ensure compatibility with different pipe sizes, providing a secure fit and optimal performance. We provide detailed SS flange dimension charts that specify outer diameter, bolt circle diameter, and thickness, helping you choose the right fit for your piping system.
| Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
| AS 2129 Flange | Table C | 95 | 67 | 4 | 13 | 14 |
| Table D | 95 | 67 | 4 | 13 | 14 | |
| Table E | 95 | 67 | 4 | 13 | 14 | |
| Table F | 95 | 67 | 4 | 13 | 14 | |
| Table H | 114 | 83 | 4 | 16 | 17 | |
| Table J | 114 | 83 | 4 | 16 | 17 | |
| ANSI B16.5 | ANSI 150 | 89 | 60 | 4 | 13 | 16 |
| ANSI 300 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 600 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 900 | 121 | 83 | 4 | 19 | 22 | |
| ANSI 1500 | 121 | 83 | 4 | 19 | 22 | |
| ISO 7005 (DIN) Flange | PN6 | 80 | 55 | 4 | M10 | 11 |
| PN10 | 95 | 65 | 4 | M12 | 14 | |
| PN16 | 95 | 65 | 4 | M12 | 14 | |
| PN20 | 90 | 60.5 | 4 | M14 | 16 | |
| PN25 | 95 | 65 | 4 | M12 | 14 | |
| PN40 | 95 | 65 | 4 | M12 | 14 |
| Stainless Steel Flanges Specifications | ASTM A182 / ASME SA182 |
|---|---|
| Size Chart of SS Blind Flanges | 1/2″ (15 NB) to 48″ (1200NB) |
| Standards Of ASTM A182 Stainless Steel Slip on flanges | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure rating of SS WN flanges | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| American Standard of SS Flanges | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |