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This post was last edited by zhaoqingsheng on 2016-9-3 16:02. How are welder certificates classified? What type of welder’s certificate is required for working on the welding of high-temperature and high-pressure pipes in thermal power plants? If one only engages in \"the welding of ordinary low-pressure pipelines and atmospheric-pressure containers\", what type of welder’s certificate should be held? Working in pressure vessel welding? What license is required for this?
Does any master know? Give some advice!
Specialized qualification for melting welding and thermal cutting operations; applicable to gas welding and cutting, shielded metal arc welding and carbon arc gouging, submerged arc welding, gas-shielded welding, plasma arc welding, electroslag welding, electron beam welding, laser welding, oxygen-flux cutting, laser cutting, plasma cutting, and other such processes. Pressure welding operations include resistance welding, gas pressure welding, explosive welding, friction welding, cold pressure welding, ultrasonic welding, forge welding, and other such processes. Soldering operations include flame soldering, resistance soldering, induction soldering, and dip soldering; welder certification is required for these tasks. Brazing operations and furnace soldering are also included, but soldering with a soldering iron is not. The special welding operator’s license is issued by the Work Safety Supervision Bureau; it is valid everywhere. It was previously called an IC card, but now it is referred to as an induction card. It needs to be renewed every 3 years. Similar to an ID card, the information stored on the card can be read using a dedicated card reader. However, such card readers are available only to qualified organizations, such as schools and work safety supervision bureaus. No matter where you take this license, as long as there is a card reader available, you can read the information on it and carry out the renewal process. You can also check its details by visiting the website of the issuing authority, the Work Safety Supervision Bureau, and entering the license number. PS: It’s from Baidu; I don’t understand it either
Question: If one is engaged in \"welding high-temperature and high-pressure pipes in thermal power plants\", what type of welder’s certificate should be held?
Only the welder certificates issued by the Work Safety Bureau, Quality Supervision Bureau, and Construction Bureau are **recognized; those issued by schools and shipyards have limitations and are not interchangeable