In what applications is electroslag welding typically used?

Electroslag welding is particularly well-suited for applications that require the joining of thick sections of metal, which is why it is extensively used in building construction and the fabrication of heavy pressure vessels. This welding process is characterized by its capability to generate high heat through the resistance of the molten slag, allowing it to weld materials that might be too thick for other welding methods. As a result, it's ideal for structural components in construction, such as beams and plates, as well as pressure vessels that operate under high stress and pressures.

In contrast, the other options involve applications that do not typically require the high penetration and strength provided by electroslag welding. Jewelry making and light fixtures, automotive repair, electronic devices, woodworking, and furniture assembly generally utilize more precise and gentler welding or joining methods suitable for thinner materials or different scales. Therefore, the properties and capabilities of electroslag welding make it particularly applicable to heavy industrial contexts.