This part of GB/T 34560 specifies the terms and definitions, classification and designation expression methods, order details, dimensions, shape, mass, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of structural steels for general purposes.
This part is applicable to hot rolled steel plate (strip), wide flat steel, profile steel and steel bar (hereinafter referred to as "steel") for general welding, bolting and riveting engineering structures.
The chemical composition specified in this part is also applicable to steel ingots, continuous casting slabs, billets and their products.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.3 Methods forchemical analysis of iron, steel and alloy - The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content
GB/T 223.9 Iron, steel and alloy - Determination of aluminum content - Chrom azurol S photometric method
GB/T 223.11 Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method (GB/T 223.11.2008-2008, ISO 4937: 1986, MOD)
GB/T 223.14 Methods for chemical analysis of iron, steel and alloy - The n-benzoyl-n-phenylhydroxylamine extraction photometric method for the determination of vanadium
GB/T 223.17 Methods for chemical analysis of iron, steel and alloy - The Diantipyrylmethane photometric method for the determination of titanium content
GB/T 223.18 Methods for chemical analysis of iron, steel and alloy - The sodium thiosulfate separation iodimetric method for the determination of copper content
GB/T 223.23 Iron steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method
GB/T 223.26 Iron steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method
GB/T 223.37 Methods for chemical analysis of iron, steel and alloy - The indophenal blue photometric methods for the determination of nitrogen content after distillation separation
GB/T 223.40 Iron steel and alloy - determination of niobium content by the sulphochlorophenol S spectrophotometric method
GB/T 223.60 Methods for chemical analysis of iron, steel and alloy - The perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese content
GB/T 223.68 Methods for chemical analysis of iron, steel and alloy - The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content
GB/T 223.69 Iron, steel and alloy - Determination of carbon contents - Gas-volumetric method after combustion in the pipe furnace
GB/T 223.76 Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of vanadium content
GB/T 223.77 Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of vanadium content
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 232-2010; ISO 7438: 2005, MOD)
GB/T 247 General rule of package, mark and certification for steel plates (sheets) and strips
GB/T 2101 General requirements of acceptance, packaging, marking,and certification for section steel
GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing (GB/T 2975-1998; eqv ISO 377: 1997)
GB/T 4336 Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method)
GB/T 5313 Steel plates with through-thickness characteristics
GB/T 13304.1 Steels classification - Part 1: Classification of according to chemical composition (GB/T 13304.1-2008; ISO 4948-1: 1982, MOD)
GB/T 34560.2-2017 The following standards are cited：
GB/T 34560.2-2017 Cited by the following standards：
