When applied to welded specimens it evaluates both the ductility and soundness of welds without instrumented equipment.
Weld bend test standard.
A semi guided bend test in which the specimen is bent while in.
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A guided bend test using a mandrel or plunger of defined dimensions to force the mid length of the specimen between two supports separated by a defined space.
Two plates are welded together and a flat strap of metal is cut from the welded plates.
Next the flat strap.
2 1 x 1.
In cases where bend testing is used to supplement radiography when evaluating welding samples carried out using processes.
Included in the procedures are four conditions of constraint on the bent portion of the specimen.
It is also mentioned in an article published in section 7 of issue 13 of practical welding letter for september 2004.
1 1 this test method covers a guided bend test for the determination of soundness and ductility of welds in ferrous and nonferrous products.
The concept of a bend test for welds is simple.
Department of education to develop a series of standards and a program for the recognition of welders based on welding performance testing and practical knowledge tests.
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131 135 138 or 311 two bend test samples must be removed.
One sample should be bent with the face outward face bend test and the second bent with the root side of the weld outward root bend test.
The standard gives the requirements for guided bend test specimen preparation test parameters and testing proce dures but does not specify the requirements or accep tance criteria.
Scope 1 1 this section covers the bend testing of fillet welds.
This procedure was briefly addressed in our page on welding testing.
Longitudinal guided bend test see part a1 section 7 6 fillet weld root bend test 1.
Understanding bend tests many welding codes require bend tests as part of the testing required to qualify welders and welding procedures specifications wpss.
This guided bend test has been developed primarily for plates and is not intended to be substituted for other methods of bend.
Flaws not shown by x rays may appear in the surface of a specimen when it is subjected to progressive localized overstressing.
Bend testing is a much informative qualitative procedure simple to perform.
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1 1 these test methods cover bend testing for ductility of materials.