1 Scope
This standard specifies a method for determining the ability of metallic materials to undergo plastic deformation in bending.
This standard applies to test pieces taken from metallic products, as specified in the relevant product standard. It is not applicable to certain materials or products, for example tubes in full section or welded joints, for which other standards exist.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding amending errors in the text) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative documents referred to applies.
GB/T 2975 Steel and Steel Products-Location and Preparation of Test Pieces for Mechanical Testing (GB/T 2975- 1998, eqv ISO 377: 1997)
3 Symbols and Designations
Symbols and designations used in the bend test are shown in Figures 1 and 2 and specified in Table 1.
1 Scope
2 Normative References
3 Symbols and Designations
4 Principle
5 Test Equipment
6 Test Piece
7 Procedure
8 Interpretation of Results
9 Test Report
Annex A (Informative) Comparison of Chapter and Article Numbers between This Standard and ISO 7438,
Annex B (Informative) Determination of the Bend Angle from the Measurement of the Displacement of the Former
