Pipe fittings technology comparison news release
Pipe material technology innovation: a panoramic analysis of the performance and application of the three major mainstream pipe fittings
May 28, 2025 With the continuous improvement of the requirements for pipeline systems in the construction and industrial fields,
Grooved Pipe Fittings,
Galvanized Pipe Fittings and
Stainless Steel Pipe Fittings have formed a differentiated competitive landscape due to their respective characteristics. This newspaper conducts an in-depth analysis from three aspects: material characteristics, connection process and cost-effectiveness.
1. Core materials and anti-corrosion performance
1. Grooved pipe fittings
Using clamp connection technology, it is suitable for a variety of substrates such as welded steel pipes, seamless steel pipes and galvanized steel pipes. Its core advantage lies in the convenience of installation, and the sealing is achieved through mechanical compression, avoiding the risk of thermal deformation of traditional welding, which is especially suitable for the rapid construction of fire protection systems.
2. Galvanized pipe fittings
Using
carbon steel pipe as the base material, the anti-corrosion layer is formed by hot-dip galvanizing process, and the cost is only 30%-50% of that of
stainless steel pipes. However, the galvanized layer is easily damaged in an acidic and alkaline environment, and red rust may occur after long-term use, requiring regular maintenance.
Alloy materials with a chromium content of ≥10.5% rely on passive oxidation film to achieve self-repairing anti-corrosion, and are irreplaceable in the chemical and food fields. 316 stainless steel pipes remain stable even in chloride ion environments.
2. Connection process comparison
The groove type uses standardized clamp assemblies, and the single-point connection takes only 1/5 of the time of traditional welding;
Galvanized pipes rely on threaded or flanged connections, and the sealing depends on the quality of the gasket;
Stainless steel pipes can be permanently sealed by argon arc welding, but professional welders are required.
3. Economic efficiency and applicable scenarios
Type cost index Typical application scenarios
Grooved pipe fittings ★★☆ Fire protection system, municipal water supply transformation
galvanized pipe fittings ★☆☆ Building drainage, low-pressure gas transmission
stainless Steel Pipe fittings ★★★ Medical clean pipeline, seawater desalination system
Industry experts pointed out: In the next five years, the market share of groove connection technology below DN300 will increase to 45%, and stainless steel pipe fittings driven by environmental protection policies will have a compound growth rate of 12.8% in the food industry.
