Duration of validity
Welder certificates are issued under the full and sole responsibility of the examiner or
examining body. They remain valid for two years, provided that the welder continues to
work within the validity area and does not take a break of longer than six months. This
must be certified by the every sixth months.
Certificates can be extended for further periods of two years, provided that the
welder's work continues to fulfil specified quality requirements, which must be
confirmed by documentation of tests of the welding work.
Supplied By RIHUI Ceramic Welding Backing
Date: 2023-04-10 hits: 528 Return
Spot welding ( Ceramic Backing) 2023-04-10
Ultrasonic welding( RIHUI Backing) 2023-04-10
Spot welding( RIHUI Ceramic Welding Backing) 2023-04-10