Resources
Frontiers of pipeline engineering technology, standards and specifications, and updates on Guojie Pipeline Company.
Latest Advances in Welding Technology for High-Grade Pipeline Steel
Discussion of key welding technical points and quality control for X80/X100 pipeline steel in long-distance pipelines.
Analysis of key updates to ASTM A234/A105 standards
Interpretation of the impact of the latest revisions to American standard pipe fittings on export business and response strategies.
Selection Optimization of Corrosion-Resistant Fittings in Chemical Piping Systems
Measured data show that new alloy pipe fittings extend service life by 35% without affecting sealing performance.
Research on Hot Push Forming Technology for Large-Diameter Elbows
A review of the forming mechanism and wall thickness control strategies of the hot push bending process in the manufacture of elbows above DN 500.
Guojie Pipe Mengcun Hebei Smart Factory Phase II Officially Put into Operation
The new production line adopts fully automatic CNC equipment, increasing annual capacity to 100,000 tons, supporting capacity expansion and quality improvement.
Research on Material Selection and Protection of High-Corrosion-Resistant Flanges for Marine Engineering
Comparison of 2000-hour salt spray test data shows that nickel-based alloys reduce the corrosion rate by 22%.
Interpretation of the latest revisions to the API 5L/ISO 3183 standards
Analysis of the key points of revisions to international pipeline standards and their compliance impact on export pipe fitting enterprises.
Advances in Application of Composite Materials for Pipeline Corrosion Protection and Insulation
The new epoxy composite coating demonstrates excellent adhesion and permeability resistance under high-temperature and high-pressure environments.
Guojie Pipe Awarded "National High-Tech Enterprise" Title
Relying on continuous innovation and technological breakthroughs in the field of pipeline manufacturing, Guojie Pipes has been selected for the national-level high-tech enterprise list.
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