This standard specifies the ordering content, classification, code, dimensions, shape, weight and permissible deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of hot-rolled H section steel and T section steel cut by hot-rolled H section steel.
This standard is applicable to hot-rolled H section steel (hereinafter referred to as "H section steel") and T section steel cut by hot-rolled H section steel.
2 Normative References
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies. For undated references, the latest edition (including all amendments) applies.
GB/T 222 "Permissible Tolerances for Chemical Composition of Steel Products"
GB/T 228.1 "Metallic Materials-Tensile Testing-Part 1: Method of Test at Room Temperature" (GB/T 228.1-2010, ISO 6892-1:2009, MOD)
GB/T 229 Metallic Materials-Charpy Pendulum Impact Test Method" (GB/T 229-2007, ISO 148-1:2006, MOD)
GB/T 232 "Metallic Materials-Bend Test" (GB/T 232-1999, eqv ISO 7438:1985(E))