
Flanges
At Metrade, we offer a comprehensive range of flanges designed to provide secure, leak-proof connections for a variety of piping systems. Our products support critical industries such as oil and gas, water treatment, chemical processing, and structural applications, delivering durability, consistent performance, and full compatibility with existing infrastructure.
In piping and flow control systems, they create essential connections, which installers typically join with bolts and seal using gaskets to maintain a pressure-tight system. Metrade’s flanges resist high pressure, extreme temperatures, and demanding operational conditions, providing dependable performance for both standard and specialized applications. Our team manufactures each flange to meet international standards, including ASME, DIN, and API, ensuring precision, reliability, and long-term operational safety in every installation.
Materials - Carbon Steel
- Low Temperature CS
- Stainless Steel
- Special Stainless Steel
- Alloy Steel
- Nickel Alloy
- Titanium Alloy
Material | Specification | Grades |
|---|---|---|
| Carbon Steel | ASTM A105 | A105 |
| Low Temperature Carbon Steel | ASTM A350 | LF2 and LF3 |
| Stainless Steel and Special Stainless Steel | ASTM A182 | F304/304L, 316/316L, 310, 317, 321, 347, 410, 904, H |
| Alloy Steel(EFW, LSAW, HSAW) | ASTM A182 | F5 / 9 / 11 / 22 / 91 |
| Nickel Alloy 200/201 | B564 | UNS N02200/N02201 |
| Nickel Alloy 276 | B564 | UNS N10276 - Hastelloy C-276 |
| Nickel Alloy 400 | B564 | UNS N04400 - Monel 400 |
| Nickel Alloy 600 | B564 | UNS N06600 - Inconel 600 |
| Nickel Alloy 625 | B564 | UNS N06625 - Inconel 625 |
| Nickel Alloy 800H/800HT | B564 | UNS N08810/N08811 - Incoloy 800H/HT |
| Nickel Alloy 825 | B564 | UNS N08825 - Incoloy 825 |
| Titanium Alloy | B381 | Gr 1 / 2 / 5 / 7 |

Blind Flange
Slip-On Flange
Socketweld Flange
Threaded Flange
Weldneck Flange
Spectacle Blind
Other Flanges