Seamless Carbon Hot-rolled High-pressure Coated Structural Galvanized Steel Pipe
Product Overview
The seamless carbon hot-rolled high-pressure coated structural galvanized steel pipe is a high-end industrial pipe manufactured with premium carbon steel hot-rolled seamless substrate, combined with precision high-pressure protective coating and hot-dip galvanized double anti-corrosion technology. Free from weld defects of traditional welded pipes, it is integrally formed with a dense and uniform multi-layer protective structure. It perfectly integrates high pressure resistance, long-term anti-corrosion, high and low temperature resistance, and wear resistance. As a special pipe for structural support and fluid transmission under high-pressure and corrosive complex working conditions, it is widely used to replace ordinary galvanized welded pipes and conventional seamless steel pipes, ensuring excellent safety and service life.
Core Technology & Structural Advantages
1.Hot-rolled Seamless Substrate & Stable High-pressure Bearing
Made of high-quality carbon steel such as 20# and Q355, integrally formed by hot rolling and piercing without welds or stress concentration. It passes high-pressure hydraulic test, ultrasonic and eddy current double flaw detection. Its pressure-bearing capacity is far higher than ordinary welded galvanized pipes, effectively avoiding leakage and burst risks for stable high-pressure fluid transmission and structural construction.
2.Special High-pressure Coating & Upgraded Protection Performance
The inner and outer walls are coated with professional high-pressure protective coating with strong adhesion and high density. It resists high-pressure fluid scouring and medium erosion, preventing coating peeling, cracking and falling off under long-term high-pressure working conditions. The smooth inner wall reduces fluid resistance and scale formation, maintaining long-term and efficient transmission.
3.Hot-dip Galvanization & Long-lasting Weather Resistance
Adopting mature hot-dip galvanizing process, a uniform zinc-iron alloy protective layer is formed on both inner and outer pipe walls. The standard-thickness zinc layer is tightly bonded to the steel substrate, isolating erosion from air, moisture, acid and alkali media, and coastal salt spray. It adapts to outdoor exposure, underground laying and temperature alternating environments to greatly extend the pipe's service life.
4.Stable Structure & Wide Compatibility
With uniform material composition and excellent mechanical properties, it features outstanding bending resistance, compression resistance and impact resistance. It is suitable for structural support, fluid transmission, pipe network laying and other scenarios, with easy installation, strong adaptability and low later maintenance cost.
Core Product Features
High pressure resistance, zero weld & anti-leakage, double-layer anti-corrosion, high and low temperature aging resistance, smooth inner wall & low energy consumption, sturdy structure & impact resistance, long service life, maintenance-free, suitable for complex industrial working conditions.
Application Scenarios
Widely used in industrial high-pressure fluid transmission, oil and gas transportation, municipal fire pipe networks, heating pipelines, chemical mild corrosion working conditions, outdoor steel structure construction, underground engineering, coastal salt spray environments, mechanical equipment high-pressure pipelines and other fields.
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