Welded galvanized steel pipes are essential products in construction and various industries due to their durability and corrosion resistance. The galvanizing process involves coating the steel with a layer of zinc through hot-dip galvanizing or electroplating, thereby providing superior protection against rust and environmental factors. Welding ensures a strong and durable connection between pipe sections, making them ideal for use in water, gas networks, and industrial infrastructures. These pipes combine the mechanical advantages of steel with the corrosion protection offered by zinc, resulting in a versatile and high-performance product.
Standards and applications
Welded galvanized steel pipes are regulated by various standards that ensure their quality and conformity with the specific requirements of different applications. The most common standards include:
- EN 10240: This European standard specifies requirements for hot-dip galvanized steel tubes used for mechanical and pressure purposes, ensuring corrosion protection.
- ASTM A53/A53M: This American standard covers welded and seamless steel pipes, galvanized and non-galvanized, used for mechanical and pressure purposes, including pipes for steam, water, gas, and air.
- ISO 1461: This international standard specifies requirements for hot-dip galvanizing of steel articles, including pipes, ensuring adequate corrosion protection.
- BS 1387: The British standard for hot-dip galvanized steel pipes used for mechanical and pressure purposes, including dimensions and wall thickness.
- JIS G3442: The Japanese standard specifies requirements for galvanized steel pipes used in water and gas pipelines.
These standards cover aspects such as dimensions, wall thickness, materials, manufacturing methods, and quality tests that the pipes must pass to ensure they are suitable for their intended uses. Adherence to these standards is essential to guarantee the performance and operational safety of welded galvanized steel pipes.
Dimensions
| 2.30 | 2.60 | 2.90 | 3.20 | 3.60 | 4.00 | 4.50 | 5.00 | 5.20 | 5.60 | 6.00 | 6.30 | 7.10 | 8.00 | 10.00 | |
| 21.30 | X | X | |||||||||||||
| 26.90 | X | X | |||||||||||||
| 33.70 | X | X | |||||||||||||
| 42.40 | X | X | X | X | |||||||||||
| 48.30 | X | X | X | X | |||||||||||
| 60.30 | X | X | X | X | X | ||||||||||
| 76.10 | X | X | X | X | X | ||||||||||
| 88.90 | X | X | X | X | X | ||||||||||
| 114.30 | X | X | X | X | X | X | X | ||||||||
| 139.70 | X | X | X | X | X | ||||||||||
| 159.30 | X | X | |||||||||||||
| 168.30 | X | X | X | X | X | ||||||||||
| 219.10 | X | X | X | X | X | X | X | X | |||||||
| 273.00 | X | X | X | X | |||||||||||
| 323.30 | X | X | X | X | X | X | X |
