Which two certificates do the welder's double certificate refer to?

Welder's double certificate refers to welder's grade certificate and welder's operation certificate.

A, welder grade certificate:

Welder's professional qualification grade certificate, referred to as "welder's grade certificate", is a qualification certificate issued by Ministry of Human Resources and Social Security. Welder's grade certificate reflects the welder's skill level, which is the main basis for employers to recruit and employ, and also the necessary certificate for employees' promotion, salary increase and professional title evaluation.

The grade certificate is divided into five grades: primary, intermediate, advanced, technician and senior technician. Grade certificates need not be examined annually, and you can apply for national vocational skills subsidies.

But the grade certificate cannot be used alone. When checking, mainly check whether there is an operation certificate. The certificate represents the national recognition of your ability level, but it does not mean that you are qualified for employment.

Usage of grade certificate: the certificate is universal in the whole country and can be inquired on the national network. It is mainly used to evaluate professional titles, wages and outgoing services, and is exempt from trial for life.

Second, the welder operation certificate:

Welding and hot cutting operation certificate, referred to as "welder's operation certificate" for short, is a necessary certificate for welders to take up their posts, so it is also called "work certificate" and is issued by the emergency management bureau.

The appearance of the operation certificate is similar to that of the ID card. It is a kind of induction card, which can read the corresponding information through a special machine. There is a QR code in the lower right corner of the card. By scanning the QR code, you can find the certificate information in the official WeChat account and take the national safety production examination.

Welder's operation certificate needs to be reviewed once every three years and replaced once every six years.

Skills of preparing welding certificate:

1, the welder's certificate examination is the whole content of the study course. You should practice the questions on your mobile phone first. You should spend time practicing these questions every day from the time you register. After finishing the exercises in order, you should do all the wrong questions in order, then enter the simulation questions, brush the simulation questions constantly, and focus on the questions that are often wrong.

2. The welder's certificate has practical operation. These operations are very simple and basic. If you want to engage in electric welding, you'd better master the actual operation.

3. There are many kinds of welding, the most common one is according to the nature of heat source, the state of joint formation and whether to use pressure. Almost all metal materials can be used for welding, so it is particularly important to choose different welding methods and welding machines for different materials.