Seamless steel pipes, hot-rolled or cold-drawn, are essential components in numerous industrial applications due to their superior durability and strength. The manufacturing process for these pipes involves either hot rolling or cold drawing to produce a finished product without joints or welds, which gives them uniform strength throughout their length. These pipes are widely used in industries such as oil and gas, energy, construction, and mechanical engineering, where pipelines are required to withstand high pressures and temperatures while ensuring structural integrity and long-term reliability.
Standards and Applications
Seamless steel pipes, rolled or drawn, are regulated by various standards that ensure their quality and conformity with the specific requirements of different industrial applications. The most common standards include:
- ASTM A106/A106M: This American standard covers seamless carbon steel pipes for high-temperature service, used in pipelines for steam, water, gases, and other fluids at high pressure and temperature.
- ASTM A53/A53M: American standard covering seamless and welded carbon steel pipes, both galvanized and non-galvanized, used for mechanical and pressure purposes.
- EN 10216-2: The European standard specifies requirements for seamless steel pipes of non-alloy and alloy steels for pressure service at elevated temperatures.
- DIN 2448: German standard for seamless steel pipes, used in pressure pipelines, specifying dimensions and wall thicknesses.
- ISO 9329-2: International standard specifying requirements for seamless steel pipes of non-alloy and alloy steels for pressure purposes and elevated temperatures.
These standards cover aspects such as dimensions, wall thickness, materials, manufacturing methods, and quality tests that pipes must pass to ensure they are suitable for their intended uses. Compliance with these standards is essential to guarantee the performance and operational safety of seamless steel pipes, rolled or drawn.
Dimensions
| 2.30 | 2.60 | 2.90 | 3.20 | 3.60 | 4.00 | 4.50 | 5.00 | 5.60 | 6.00 | 6.30 | 7.10 | 8.00 | 8.50 | 9.0 | 10.00 | 12.00 | |
| 21.3 | X | X | |||||||||||||||
| 26.9 | X | X | |||||||||||||||
| 33.7 | X | X | X | X | X | ||||||||||||
| 42.4 | X | X | X | X | X | ||||||||||||
| 48.3 | X | X | X | X | X | ||||||||||||
| 60.3 | X | X | X | X | X | ||||||||||||
| 76.1 | X | X | X | X | X | ||||||||||||
| 88.9 | X | X | X | X | |||||||||||||
| 114.3 | X | X | X | X | X | X | X | ||||||||||
| 139.7 | X | X | X | X | X | ||||||||||||
| 168.3 | X | X | X | X | X | X | |||||||||||
| 219.1 | X | X | X | X | X | X | X | ||||||||||
| 273.0 | X | X | X | X | X | ||||||||||||
| 323.9 | X | X | X | ||||||||||||||
| 355.6 | X | X | X | ||||||||||||||
| 406.4 | X | X | |||||||||||||||
| 457.2 | X | ||||||||||||||||
| 508.0 | X | X |
