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Welding technology

The following welding processes are used within the SCHRADER Group:

- WG / WG Orbital
- MIG, MAG
- manual arc welding
- submerged-arc process
- autogenous welding, spot welding and stud welding



Procedure auditing (WPAR) is available in accordance with DIN EN 288, AD 2000 / HPO, DIN EN 13445 and DIN EN 13480 for all aforementioned welding processes or combination thereof.

At the SCHRADER Group only qualified welders are employed who are in possession of a verification certificate in accordance with DIN EN 287, AD 2000 / HP3, DIN EN 13445, DIN EN 13480 or operator in accordance with DIN 1418.

Moreover, qualified personnel is available to our customers for non-destructive testing in accordance with DIN EN 473 as well as the entire documentation in accordance with the bodies of rules and regulations (pressure equipment directive, 97/23/EG, ASME, WHG, etc.) and customer requirements.

The following tests can be carried out:

- radiography test with omnidirectional antenna
- ultrasonic test
- penetration test and colour penetration test