GB/T 244-2020 Translated English of Chinese Standard. (GBT 244-2020, GB/T244-2020, GBT244-2020): Metallic materials - Tube - Bend test method
https://www.chinesestandard.net, 2020 M12 20 - 11 pages
This Standard specifies the test principle, test equipment, test piece, test procedure and test report of the bend test method for metallic tubes. This Standard applies to the determination of the full-section bending plastic deformation capacity of circular cross-section metallic tubes with an outer diameter not greater than 65 mm. The outer diameter range of the applicable metallic tubes of this Standard can be specified in more detail in the relevant product standards.
able to prevent ADD the content annex Special tube bend test method bending angle reaches bending die bending plane bending testing machine block press roller China Clause content that test edition elliptical deformation Figure A.1 full-section GB/T guide roller group Huang informative annex Special machine and test Metallic materials MODIFY the note MODIFY the symbol MODIFY welded tube names and units outer diameter piece The test pieces with special press block press rad/s radius and groove reference to Annex relevant product standards rotation angular velocity Schematic diagram seam welded tube shown in Figure special requirements Special tube bending specified radius straight metallic tube straight seam welded strict temperature requirements subjected to bend technical differences Test equipment test piece test principle Test procedure test report test results test with reference tests with strict tube bending testing tube in Table wall thickness weld seam relative Zhang Zhejiang