13CrMo4-5 Steel Pipe Specifications and Size Range

13CrMo4-5 steel pipes are widely used in high-temperature and high-pressure applications such as boilers, heat exchangers, and petrochemical systems. To ensure proper selection and performance, buyers must clearly understand the relevant specifications and available size range of this alloy steel grade.

In terms of standards, 13CrMo4-5 steel pipes are commonly produced according to European norms such as EN 10216-2 (for seamless pipes used in pressure purposes) and EN 10217-2 (for welded pipes). These standards define the chemical composition, mechanical properties, manufacturing process, and testing requirements. Compliance with these specifications ensures that the pipes can withstand elevated temperatures and pressure conditions reliably.

Regarding the manufacturing type, 13CrMo4-5 steel pipes are mainly available in seamless and welded forms. Seamless pipes are preferred for critical applications due to their uniform structure and higher pressure resistance, while welded pipes may be used in less demanding environments where cost efficiency is a priority.

The size range of 13CrMo4-5 steel pipes is quite broad to meet different industrial needs. For seamless pipes, the outer diameter typically ranges from 21.3 mm to 660 mm, while wall thickness can vary from 2 mm up to 80 mm, depending on production capabilities and application requirements. Welded pipes may cover even larger diameters, often exceeding 1000 mm, making them suitable for large-scale pipeline systems.

In addition to standard dimensions, many suppliers offer customization options. Buyers can request specific lengths, special wall thicknesses, or tailored processing such as cutting, beveling, or coating. This flexibility is particularly valuable for engineering projects that require precise specifications.

Another important aspect is the tolerance and dimensional accuracy. High-quality suppliers follow strict tolerance controls as defined in EN standards, ensuring consistency in outer diameter, wall thickness, and straightness. Accurate dimensions not only simplify installation but also improve overall system safety.

Finally, 13CrMo4-5 pipes are often supplied with heat treatment conditions such as normalized or normalized and tempered states, depending on the application. This ensures the required strength, toughness, and resistance to thermal stress.

In conclusion, understanding the specifications and size range of 13CrMo4-5 steel pipes helps buyers select the right product for their projects, ensuring both performance and cost efficiency.