Are carbon steel pipes painted before leaving the factory?
Thread Content
Are carbon steel pipes painted before leaving the factory? Is it necessary to paint the inner wall of carbon steel pipes for corrosion protection?
Generally not, unless there are special requirements.
It was just finished processing at the factory, unpainted, and very shiny, but it rusted right away.
The manufacturer will not apply paint, unless you make a special request and negotiate the supply.
The manufacturer will not apply paint; on-site, insulation and anti-corrosion measures will be taken depending on the medium in the pipeline. You need to negotiate with the supplier regarding the technical documents for factory painting.
No, they have different uses; each case needs to be handled individually. For example, if used in buried pipes, painting would be troublesome
No, unless there are special requests.
Why is painting buried pipes such a hassle?
It is usually in its natural color when leaving the factory; if any other treatment is required, it should be specified at the time of ordering