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forged steel flanges
Forged steel flanges are fundamental components for connecting pipes, valves, pumps, and other equipment to form a robust piping system. Their superior strength, durability, and reliability under high pressure and temperature conditions make them the preferred choice in demanding industries like oil and gas, petrochemical, power generation, and shipbuilding. The exceptional performance of forged flanges stems directly from the forging process itself, which aligns the metal's grain flow to the shape of the flange, dramatically enhancing its mechanical properties compared to cast or plate-cut alternatives. At our facility, we utilize advanced forging techniques, including Open Die Forging, Closed Die Forging, and Impression Die Forging, to produce flanges with unparalleled structural integrity. These processes ensure a dense, void-free microstructure, resulting in components that can withstand extreme cyclic loading, thermal stress, and corrosive environments.
Our **forged steel flanges** are manufactured to meet the most stringent international standards, including ASME/ANSI, API, DIN, EN, and JIS. We offer a comprehensive range of types, materials, sizes, and pressure ratings to suit virtually any application requirement. Each **forged steel flange** undergoes rigorous quality control checks, from raw material certification to dimensional verification and non-destructive testing, guaranteeing performance and safety.
**Key Product Specifications & Parameters**
**Available Flange Types:**
- Weld Neck Flange (WN)
- Slip-On Flange (SO)
- Blind Flange (BL)
- Socket Weld Flange (SW)
- Lap Joint Flange (LJ)
- Threaded Flange (TH)
- Orifice, Plate, and Reducing Flanges
| Material Standard | Common Grades | Key Properties |
|---|---|---|
| ASTM A105 | N/A (Carbon Steel) | General service, ambient & high-temp |
| ASTM A182 | F304, F304L, F316, F316L | Corrosion resistance, chemical service |
| ASTM A182 | F5, F9, F91 | High-temperature & corrosion service |
| ASTM A350 | LF2 | Low-temperature service |
| ASTM A694 | F42, F52, F60, F65 | High-yield for pipeline applications |
| Flange Standard | Pressure Class (Rating) | Common Size Range (NPS) | Facing Types |
|---|---|---|---|
| ASME B16.5 | 150, 300, 600, 900, 1500, 2500 | 1/2" to 24" | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF) |
| ASME B16.47 Series A/B | 75, 150, 300, 400, 600, 900 | 26" to 60" | Raised Face (RF), Ring Type Joint (RTJ) |
| EN 1092-1 (PN) | PN6, PN10, PN16, PN25, PN40, PN63, PN100 | DN10 to DN2000 | Raised Face, Flat Face, Tongue & Groove |
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