(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. Wall Pack,Led Wall Pack Lights,Outdoor Led Wall Pack Lights,Alleyways Wall Pack Light Fuonce-Lighting , https://www.szfuoncelighting.com