When the production and supply of ferrule pipe fittings is insufficient or the working environment is highly corrosive (such as in some highly corrosive media transportation scenarios in chemical systems), welded pipe fittings become the preferred connection solution due to their high reliability and strong adaptability. Welded pipe fittings are suitable for non-corrosive or corrosive media such as oil, water, and gas . Specifikationerne for stålrørene er relativt fleksible . Efter svejsning med rørledningen har de egenskaberne ved pålidelig forbindelse og god tætningsydelse .
