The performance parameters of X52 pipeline steel pipe mainly include the following aspects:
Mechanical properties:
Yield strength: ≥360MPa
Tensile strength: 460-760MPa
Elongation: ≥19%
Yield strength ratio: ≤0.9
180° transverse bending test: D=2a
Chemical composition:
Carbon (C): ≤0.18%
Silicon (Si): ≤0.45%
Manganese (Mn): ≤1.50%
Phosphorus (P): ≤0.025%
Sulfur (S): ≤0.015%
Vanadium (V): ≤0.05%
Niobium (Nb): ≤0.05%
Titanium (Ti) : ≤0.04%
Other properties:
Corrosion resistance: After special anti-corrosion treatment, it can resist corrosion from media such as atmosphere, water, oil and gas, and extend service life
Weldability: It has good weldability and can be connected by various welding methods to ensure the sealing and reliability of the pipeline
Low-temperature toughness: It can still maintain high toughness at low temperatures and is suitable for use in cold areas or low-temperature environments
These performance parameters make X52 pipeline steel pipe perform well in oil and natural gas pipelines, and can withstand the pressure and stress generated during pipeline transportation. At the same time, it has good corrosion resistance and weldability, ensuring the safe operation and long-term use of the pipeline.
