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.
Weld bend test standard.
Included in the procedures are four conditions of constraint on the bent portion of the specimen.
8 beveled edges 4 test plates total 150 00 description.
Bend testing is a much informative qualitative procedure simple to perform.
1 1 these test methods cover bend testing for ductility of materials.
Longitudinal guided bend test see part a1 section 7 6 fillet weld root bend test 1.
1 1 this test method covers a guided bend test for the determination of soundness and ductility of welds in ferrous and nonferrous products.
Flaws not shown by x rays may appear in the surface of a specimen when it is subjected to progressive localized overstressing.
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2 1 x 1.
Two plates are welded together and a flat strap of metal is cut from the welded plates.
In cases where bend testing is used to supplement radiography when evaluating welding samples carried out using processes.
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This guided bend test has been developed primarily for plates and is not intended to be substituted for other methods of bend.
This procedure was briefly addressed in our page on welding testing.
When applied to welded specimens it evaluates both the ductility and soundness of welds without instrumented equipment.
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Next the flat strap.
The concept of a bend test for welds is simple.
131 135 138 or 311 two bend test samples must be removed.
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.
It is also mentioned in an article published in section 7 of issue 13 of practical welding letter for september 2004.
A semi guided bend test in which the specimen is bent while in.
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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.
Understanding bend tests many welding codes require bend tests as part of the testing required to qualify welders and welding procedures specifications wpss.
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