Weld Bend Test Standard

Understanding bend tests many welding codes require bend tests as part of the testing required to qualify welders and welding procedures specifications wpss.

Weld bend test standard.

131 135 138 or 311 two bend test samples must be removed. Included in the procedures are four conditions of constraint on the bent portion of the specimen. The concept of a bend test for welds is simple. Weldbend is proud to be america s choice for domestically manufactured carbon steel butt weld fittings flanges 60 news.

Longitudinal guided bend test see part a1 section 7 6 fillet weld root bend test 1. 8 beveled edges 4 test plates total 150 00 description. Scope 1 1 this section covers the bend testing of fillet welds. Search view print download all in one place.

In cases where bend testing is used to supplement radiography when evaluating welding samples carried out using processes. A semi guided bend test in which the specimen is bent while in. It is also mentioned in an article published in section 7 of issue 13 of practical welding letter for september 2004. The industry leader in carbon steel weld fittings and weld flange products from 1 2 thru 60 english inches version interact live with weldbend s product catalog.

Next the flat strap. Flaws not shown by x rays may appear in the surface of a specimen when it is subjected to progressive localized overstressing. Visit the news page for up to date information about weldbend carbon steel weld fittings and flange products and industry news. Bend testing is a much informative qualitative procedure simple to perform.

This procedure was briefly addressed in our page on welding testing. 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. Aws d1 1 structural welder performance qualification test coupons. When applied to welded specimens it evaluates both the ductility and soundness of welds without instrumented equipment.

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. 4 plates for 3g 4g backing material weld tabs 3 w x 5 l x 1 thick astm a36 hot rolled plate each plate beveled at 22 5º beveled along both edges of the length backing material 1 x 1 4 flat bar x 7 long qty. 1 thick set astm a36 qty. 2 1 x 1.

Two plates are welded together and a flat strap of metal is cut from the welded plates. 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. 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. The aws schools excelling through national skill standards education sense program began in 1993 with the award of a grant by the u s.

1 1 these test methods cover bend testing for ductility of materials.