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The AWS D1. 1 Structural Welding Code (Steel) welder qualification plate tests consists of a groove weld with a 45-degree included angle. The plates are prepared to a knife's edge and a ¼ in [6 mm] backing strip is used. The test for unlimited thickness will use plates that are 1 in [25 mm] thick.

A WELDING CERTIFICATION IS EFFECTIVE INDEFINITELY ing to American Welding Society AWS D1. 1, Clause 4.2. 3.1, a welder's qualification is effective indefinitely, AS-LONG-AS, that welder does not go more than six months without using that process.

For the U.S., welding requirements are found in AWS D1. 1, and for the EU they are found under ISO 3834.

The American Welding Society (AWS) authors over 350 standards for welding practices and procedures for construction and aerospace covering structural steel, sheet steel and aluminum. This includes the D1. 1 Structural Welding Code - Steel, one of the most referenced codes in the world.

The D 1.1 is the standard certification required for fabricating and erecting welded steel structures. The structural welding code is covered by the D1. 1. There are approximately 62 classification of base metal approved for welding under the D 1.1 code. The D 1.5 is a more precise certification.

1 Structural Welding - Steel. This endorsement covers five subject areas in AWS D1. 1, material and design, fabrication, inspection, qualification, and reports and records.

There are many types of welding certification available. The welding certification for which most of our students will first want to qualify meets Welding Code AWS D1. 1. This is basic structural welding using shielded arc welding on carbon steel plate or its equivalent.

Qualification of Welding Procedures The qualification weld is then inspected by the following mechanical and non-mechanical tests in preparation of the procedure qualification report (WPQR): Different strength testing such as tensile strength testing and proof load testing. Non-destructive testing.