About Raised Face Flanges
Raised face flanges are defined by their face geometry rather than by a unique alloy in practice they re made from the same base materials as other flanges. The most common grades and their typical chemical compositions are:
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Carbon steel raised face flanges (ASTMA105)
Same as "Custom Flanges per ASTMA105:
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Stainless steel raised face flanges (ASTMA182 F304 & F316)
| Element |
F304 (%wt) |
F316 (%wt) |
| Carbon (C) |
0.08 |
0.08 |
| Manganese (Mn) |
2.00 |
2.00 |
| Silicon (Si) |
1.00 |
1.00 |
| Phosphorus (P) |
0.045 |
0.045 |
| Sulfur (S) |
0.030 |
0.030 |
| Chromium (Cr) |
18.0 20.0 |
16.0 18.0 |
| Nickel (Ni) |
8.0 12.0 |
10.0 14.0 |
| Molybdenum (Mo) |
|
2.0 3.0 |
| Nitrogen (N) |
|
0.10 |
| Iron (Fe) |
Balance |
Balance |
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ASTMA182F304 ("304SS ): the 18%Cr 8%Ni austenitic alloy for general purpose service
High-Quality Mild Steel ConstructionThese raised face flanges are crafted from premium mild steel, ensuring exceptional strength and corrosion resistance. Suitable for use in heavy-duty industrial environments, the sturdy construction guarantees lasting performance even under high-pressure conditions.
Flexible Sizing and Custom DimensionsAvailable in a broad range of sizes from 1/2 inch to 48 inches, these flanges can be customized to meet specific dimensional requirements. This flexibility allows seamless integration into diverse piping systems, accommodating unique industrial needs efficiently.
FAQ's of Raised Face Flanges:
Q: How are raised face flanges used in industrial applications?
A: Raised face flanges provide a secure and precise method for joining pipes, valves, and other fittings in industrial settings. Their design ensures a tight, reliable seal that is crucial for high-pressure operations.
Q: What are the benefits of using mild steel (MS) for these flanges?
A: Mild steel combines strength with excellent machinability and weldability, resulting in flanges that are durable and easy to install. The material also offers cost-effectiveness, particularly for large-scale industrial projects.
Q: When should I consider using raised face flanges?
A: Raised face flanges are ideal when you require a robust, leak-proof connection for piping systems that operate under higher pressure (up to 2500 PSI) or need to comply with ANSI standards.
Q: Where can I source these raised face flanges in India?
A: You can obtain these flanges from reputable industrial suppliers and traders throughout India, many of whom offer customization options and support for various installation requirements.
Q: What is the process for fitting and installing these flanges?
A: Installation involves aligning the flange with the pipeline, inserting bolts through the bolt holes, and tightening them to ensure a secure seal. The raised face feature aids in proper gasket seating to prevent leakage.
Q: How do custom dimensions benefit industrial operations?
A: Custom dimensions ensure that the flanges and fittings fit perfectly into existing or specially designed piping systems, reducing installation time and minimizing alignment issues.