Performing welder testing-1
Although not obligatory, the welder's theoretical knowledge may also be tested. This
will require the welder to have knowledge of:
The important parts of the welding equipment
Identification of base materials
Methods for preheating and checking preheat temperatures
Handling of consumables
Welding procedure specifications,selection of welding parameters
The causes of welding defects and measures to avoid defects
Safety requirements
Validity of the welder's certificate.
The test methods used for assessment are:
Visual inspection
Radiography
Bend test
Fracture test
Macro examination.
The method to be used depends on the welding method, the shape of the product and
the type of joint.
Supplied By RIHUI Ceramic Welding Backing
Date: 2023-04-10 hits: 473 Return
Spot welding ( Ceramic Backing) 2023-04-10
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