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What is ASTM A694 Flanges?
ASTM A694 flanges are available in different grades such as F42, F52, F60, F65 and F70. the difference lies in the chemical composition. the composition of ASME SA694 high yield CS F52 slip-on flange has carbon, silicon, manganese, phosphorus, sulfur, molybdenum, nickel, chromium, copper, vanadium and niobium.
ASTM A694 flange is used to connect pipes, valves, pumps and other
equipment to form a piping system. It is usually in the form of a
welded or screwed fastening. It has a joint where the two flanges
are bolted together with a gasket in between to provide a seal.
There are different types of ASTM A694 flanges, such as ASTM A694
slip-on flanges, ASTM A694 blind flanges, ASTM A694 socket weld
flanges, ASTM A694 orifice flanges, ASTM A694 long weld neck
flanges, ASTM A694 threaded flanges, etc.
Characteristic of ASTM A694 F52 Flange
HIGH STRENGTH: A694 F52 flanges are manufactured from high-strength carbon and alloy steel, which provides excellent strength and endurance. This enables them to withstand high pressure and high temperature conditions in the working environment.
CORROSIVE RESISTANCE: A694 F52 flanges have excellent corrosion resistance and are able to resist chemical attack. This makes their application in corrosive media more reliable.
GOOD SEALING: A694 F52 flanges have good sealing performance, which can effectively prevent media leakage. They are usually equipped with sealing gaskets or sealing rings to ensure the safe and reliable operation of piping systems.
High-temperature stability: A694 F52 flanges are able to maintain stability in high-temperature environments and are not easily deformed or lose performance. This makes them suitable for piping systems in high temperature conditions.
Chemical Composition of A694 F52 Carbon Steel Flanges
| Carbon [C] | ≤0.30 |
| Manganese [Mn] | ≤1.60 |
| Phosphorus [P] | ≤0.025 |
| Sulfur [S] | ≤0.025 |
| Silicon [Si] | 0.15-0.35 |
Mechanical Properties of A694 F52 Carbon Steel Flanges
| Element | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| ASTM A694 F52 | 415 | 315 | 20 % |
| ASTM A694 Grade | Yield Strength minimum | Tensile Strength minimum | Elongation minimum | ||
| MPa | ksi | MPa | ksi | % | |
| ASTM A694 F52 Flanges | 360 | 52 | 455 | 66 | 20 |
Application
Oil and Gas
chemical
shipbuilding
Electricity
aerospace
