steellined

Steellined is a term used in engineering to describe a component whose interior surface is lined with steel. It can function as an adjective (steellined component) or as a noun referring to the lining itself (the steellined bore).

The steel lining provides wear resistance, abrasion protection, and chemical or pressure containment. It also enables the protection of softer inner materials from harsh media, or the handling of high temperatures or corrosive environments.

Common applications include pressure vessels, piping and reactors, grinding and milling equipment, and certain aerospace or military components where internal surfaces face aggressive media or wear.

Manufacturing methods for steellining range from cladding and roll bonding to explosive welding and mechanical interlock techniques. The choice of method affects bond strength, liner thickness, and thermal expansion compatibility with the outer structure.

Materials for the liner are typically stainless steel or alloy steels chosen for corrosion resistance, hardness, and temperature performance. Design considerations include differential thermal expansion, residual stresses, and the potential for liner delamination or corrosion at the interface.

Limitations include added weight and cost, as well as complexity in fabrication and inspection. Regular nondestructive examination is used to detect bond defects, corrosion at interfaces, or wear of the liner.

The term steellined is not universally standardized and is used mainly in industry literature and specification documents to describe inner steel lining; related terms include steel-lined, liner, and cladding.