This standard specifies the order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging , logo and quality certificate. This standard applies to hot-rolled equilateral angle steels, hot-rolled unequal-leg angle steels, and hot-rolled I-beams and hot-rolled channel steels (hereinafter referred to as section steels) with slopes inside the legs.
GB/T 706-2016 Referenced Document
GB/T 1591 High strength low alloy structural steels*， 2018-05-14 Update
GB/T 2101 General requirment of acceptance, packaging, marking and certification for section steel*， 2017-07-31 Update
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
GB/T 229 Metallic materials—Charpy pendulum impact test method*， 2020-09-29 Update
GB/T 232 Metallic materials - Bend test methods*， 2024-03-15 Update
GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing*， 2018-05-14 Update