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Material Performance Lays the Foundation for Pressure Bearing

The pressure bearing capacity of forged flanges is fundamentally supported by high-quality materials. Common materials such as carbon steel and alloy steel, after forging, form a dense and uniform structure, eliminating defects like pores and looseness in raw materials.
High-quality materials possess excellent tensile strength, yield strength, and toughness, effectively resisting tensile and compressive stresses under high pressure to avoid plastic deformation or fracture, thus providing a solid material guarantee for withstanding high pressure.
For special working conditions, corrosion-resistant and high-temperature-resistant alloy materials are selected to maintain stable mechanical properties in complex medium environments and ensure long-term pressure bearing reliability.

The forging process further improves the pressure bearing potential of flanges through metal plastic deformation and subsequent heat treatment. During hot forging, grain refinement and reorganization optimize the material's mechanical properties, significantly enhancing fatigue resistance and impact resistance.
Post-forging heat treatment processes such as quenching and tempering, normalization optimize the balance between material hardness and toughness, reducing internal stress concentration.
Compared with cast flanges, the forging process eliminates casting defects, enabling uniform force transmission across the entire flange, maintaining structural stability under high-pressure working conditions, and greatly increasing the actual pressure bearing limit.

Scientific structural design is crucial for improving pressure bearing efficiency. The thickness distribution, sealing surface structure, and connection method of forged flanges are accurately calculated.
Reasonable thickness design can disperse stress under high pressure, avoiding local overload. Flat sealing surfaces and precise connection hole positions ensure uniform force distribution after assembly, reducing the risk of stress concentration.
Different types of sealing surface structures are adapted to different pressure scenarios, enhancing sealing reliability while indirectly improving pressure bearing stability, preventing leakage or structural deformation of the flange under high pressure.

The actual pressure bearing capacity of forged flanges is closely related to working condition adaptation. Within the designed and adapted pressure and temperature ranges, they can fully exert their pressure bearing performance.
Under normal temperature and clean medium working conditions, the material's mechanical properties are stable, achieving optimal pressure bearing performance. For high-temperature working conditions, heat-resistant materials must be selected to avoid performance degradation.
In corrosive medium environments, corrosion-resistant materials prevent material deterioration from reducing pressure bearing capacity. Correct selection and installation can fully release the pressure bearing potential of forged flanges, maintaining a stable high-pressure bearing state for a long time.