Standard No.:	YB/T 5209-2020
English Name:	Electric-welded steel tubes for cardan shaft
Chinese Name:	传动轴用电焊钢管
Professional Classification:	YB    Professional Standard - Metallurgy
Issued on:	2020-12-09
Implemented on:	2021-4-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	280.0
Delivery:	via email in 1 business day

YB/T 5209-2020 Electric-welded Steel Tubes for Cardan Shaft 1 Scope This standard specifies the dimensions, shapes and weights, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of electric-welded steel tubes for cardan shaft. This standard is applicable to electric-welded or cold-drawn welded steel tubes for manufacture of automobile cardan shafts and other mechanical power cardan shafts. 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 aluminium 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 223.14 Methods for chemical analysis of iron, steel and alloy - The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content 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 223.76 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrometric method for the determination of vanadium content GB/T 223.78 Methods for chemical analysis of iron, steel and alloy - Curcumin spectrophotometric method for the determination of boron content GB/T 223.79 Iron and steel - Determination of multi-element contents - X-ray fluorescence spectrometry (routine method) GB/T 223.84 Steel and alloy - Determination of titanium content - Diantipyrylmethane spectrophotometric method GB/T 223.85 Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace GB/T 223.86 Steel and iron - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 241 Metal materials - Tube - Hydrostatic pressure test GB/T 242 Metallic materials - Tube - Drift expanding test GB/T 246 Metallic materials - Tube - Flattening test GB/T 2102 Acceptance, packing, marking and quality certification of steel pipe GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 4336 Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method) GB/T 5777-2019 Automated full peripheral ultrasonic testing of seamless and welded(except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections GB/T 10128 Metallic materials - Torsion test at ambient temperature GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition GB/T 20123 Steel and iron - Determination of total carbon and sulfur content - Infrared absorption method after combustion in an induction furnace (routine method) GB/T 20124 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (routine method) GB/T 20125 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method GB/T 21835 Dimensions and masses per unit length of welded steel pipes 3 Classification and code 3.1 The steel designation consists of the first capital letter of "cardan shaft" in Chinese pinyin and the minimum upper yield strength specified. Example: CZ480, where: CZ — the first capital letter of "cardan shaft" in Chinese pinyin; 480 — the minimum upper yield strength specified, in MPa. 3.2 Steel tubes are classified and coded according to manufacturing methods as follows:

Foreword II 1 Scope 2 Normative references 3 Classification and code 4 Order information 5 Dimension, shape and weight 6 Technical requirements 7 Test methods 8 Inspection rules 9 Marking, packaging, storage and quality certificate