Skip to Main Content
Skip Nav Destination

Pipes made of low-carbon Thomas steel had been welded longitudinally employing the carbon-arc process with bare electrode wire made for argon-shielded arc welding. Difficulties were encountered during the cutting of threads because of the presence of hard spots. Microstructural examination showed welding conditions were such that a carburizing atmosphere developed, which led to an increase in carbon content and hardening at certain locations such as terminal bells and lap joints. This explained the processing difficulties during the threading operation.

You do not currently have access to this chapter.
Don't already have an account? Register
Close Modal

or Create an Account

Close Modal
Close Modal