(1) Inspection method:
1 tensile test method. Commonly used standard inspection methods are GB/T228-87, JISZ2201, JISZ2241, ASTMA370, ГОСТ1497, BS18, DIN50145, etc.; 2 bending test method. Commonly used standard inspection methods are GB/T232-88, JISZ2204, JISZ2248, ASTME290, ГОСТ14019, DIN50111, and the like.
(2) Performance index: The inspection items for evaluating the performance of angle steel are mainly tensile test and bending test. Indicators include yield point, tensile strength, elongation, and bend qualification.
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