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YB/T 5222-2014 English PDF (YBT5222-2004, YBT5222-1993)

YB/T 5222-2014_English: PDF (YB/T5222-2014)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YB/T 5222-2014English195 Add to Cart 0--9 seconds. Auto-delivery Quality hot rolled and forged carbon structural steel round tube blank Valid YB/T 5222-2014
YB/T 5222-2004English319 Add to Cart 3 days [Need to translate] Quality carbon structural steel round tube blank Obsolete YB/T 5222-2004
YB/T 5222-1993English199 Add to Cart 2 days [Need to translate] Quality Carbon Steel seamless tube blank Obsolete YB/T 5222-1993


BASIC DATA
Standard ID YB/T 5222-2014 (YB/T5222-2014)
Description (Translated English) Quality hot rolled and forged carbon structural steel round tube blank
Sector / Industry Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H43
Classification of International Standard 77.140.60
Word Count Estimation 8,847
Date of Issue 2014/10/14
Date of Implementation 2015/4/1
Older Standard (superseded by this standard) YB/T 5222-2004
Quoted Standard GB/T 222; GB/T 223.3; GB/T 223.5; GB/T 223.9; GB/T 223.11; GB/T 223.12; GB/T 223.18; GB/T 223.19; GB/T 223.23; GB/T 223.36; GB/T 223.37; GB/T 223.53; GB/T 223.54; GB/T 223.58; GB/T 223.59; GB/T 223.60; GB/T 223.61; GB/T 223.62; GB/T 223.64; GB/T 223.67; G
Drafting Organization Hunan Valin Xiangtan Iron & Steel Co., Ltd.
Administrative Organization National Steel Standardization Technical Committee
Regulation (derived from) People's Republic of China Ministry of Industry and Information Technology Notice 2014 No. 63
Issuing agency(ies) Ministry of Industry and Information Technology of the People's Republic of China
Summary This Standard specifies quality carbon structural steel hot-rolled and forged ring tube of ordering the content, size, shape, weight and tolerances, technical requirements, test methods, inspection rules, and packaging, labeling, quality certificate. This

BASIC DATA
Standard ID YB/T 5222-2004 (YB/T5222-2004)
Description (Translated English) Quality carbon structural steel round tube blank
Sector / Industry Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H43
Classification of International Standard 77.140.60
Word Count Estimation 8,844
Date of Issue 2004/6/17
Date of Implementation 2004/11/1
Older Standard (superseded by this standard) YB/T 5222-1993
Quoted Standard GB/T 222-1984; GB/T 223.3; GB/T 223.5; GB/T 223.10; GB/T 223.11; GB/T 223.12; GB/T 223.18; GB/T 223.19; GB/T 223.23; GB/T 223.24; GB/T 223.36; GB/T 223.37; GB/T 223.53; GB/T 223.58; GB/T 223.59; GB/T 223.60; GB/T 223.61; GB/T 223.62; GB/T 223.63; GB/T 223.64; GB/T 223.67; GB/T 223.68; GB/T 223.69; GB/T 223.71; GB/T 223.72; GB/T 226; GB/T 699; GB/T 1979; GB/T 2101; GB/T 4236; GB/T 4336; GB/T 10561; GB/T 6394; YB/T 153; GB/T 223.54
Drafting Organization Xiangtan Iron and Steel Group Co., Ltd.
Administrative Organization National Standardization Committee of Steel
Regulation (derived from) State Development & Reform Commission Notice 2004 No. 30; People's Republic of China Ministry of Industry and Information Technology Notice 2014 No. 63
Summary This standard specifies the quality carbon structural steel round tube ordering contents, size, shape, weight and tolerances, technical requirements, test methods, inspection rules and packaging, labeling, quality certificates. This standard applies to the manufacture of seamless steel tubes with a diameter of high-quality carbon structural steel continuous casting and hot rolling tube round of 50 ~ 450mm.

BASIC DATA
Standard ID YB/T 5222-1993 (YB/T5222-1993)
Description (Translated English) Quality Carbon Steel seamless tube blank
Sector / Industry Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H43
Classification of International Standard 77.140.60
Word Count Estimation 3,396
Older Standard (superseded by this standard) GB 11172-1989
Regulation (derived from) State Development & Reform Commission Notice 2004 No. 30


YB/T 5222-2014 YB NONFERROUS INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.60 H 43 Replacing YB/T 5222-2004 Quality hot rolled and forged carbon structural steel round tube blank ISSUED ON: OCTOBER 14, 2014 IMPLEMENTED ON: APRIL 01, 2015 Issued by: Ministry of Industry and Information Technology of the People's Republic of China. Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Ordering content ... 7 4 Size, shape, weight and allowable deviations ... 7 5 Technical requirements ... 9 6 Test methods ... 11 7 Inspection rules ... 11 8 Packaging, marks, quality certificates ... 12 9 Numerical rounding ... 12 Foreword This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces YB/T 5222-2004 "Quality carbon structural steel round tube blank". Compared with YB/T 5222-2004, the main changes in this document are as follows: - Delete the relevant requirements for continuous cast round tube blanks; - Add the content related to forged round tube blanks; - Modify the diameter range of round tube blanks; - Modify the allowable diameter deviation; - Modify the diameter cut slope; - Modify the delivery state; - Modify the relevant regulations on macrostructure. This Standard was proposed by China Iron and Steel Industry Association. This Standard shall be under the jurisdiction of National Technical Committee on Steel of Standardization Administration of China (SAC/TC 183). The drafting organizations of this Standard: Hunan Valin Xiangtan Iron and Steel Group Co., Ltd., Hengyang Valin Steel Pipe Co., Ltd., Tianjin Iron and Steel Group Co., Ltd., and Metallurgical Industry Information Standards Research Institute. Main drafters of this Standard: Liu Jianbing, Zhao Bin, Gong Wenxu, Li Xiaoli, Xiao Hongguang, Sun Guoqing, Wang Yujie, Liu Baoshi, Wu Qingming. Versions of standard substituted by this Standard are: - GB/T 11172-1985; - YB/T 5222-1993, YB/T 5222-2004. Quality hot rolled and forged carbon structural steel round tube blank 1 Scope This Standard specifies the ordering content, size, shape, weight and allowable deviations, technical requirements, test methods, inspection rules and packaging, marks, quality certificates, etc. for quality hot rolled and forged carbon structural steel round tube blanks. This Standard is applicable to hot-rolled round tubes with a diameter of 50mm~400mm and forged round tube blanks with a diameter of 60mm~900mm (hereinafter referred to as tube blanks) for the manufacture of seamless steel pipes. 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 for chemical analysis of iron, steel and alloy. The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.5, Steel and iron -- Determination of acid-soluble silicon and total silicon content -- Reduced molybdosilicate spectrophotometric method GB/T 223.9, Iron, steel and alloy -- Determination of aluminium content -- Chrome azurol S photometric method GB/T 223.11, Iron, steel and alloy -- Determination of chromium content -- Visual titration or potentiometric titration method GB/T 223.12, Methods for chemical analysis of iron, steel and alloy. The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content GB/T 223.18, Methods for chemical analysis of iron steel and alloy -- The sodium thiosulfate separation iodometric method for the determination of copper content GB/T 223.19, Methods for chemical analysis of iron, steel and alloy. The neocuproine-chloroform extraction photometric 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 223.36, Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determination of nitrogen content after distillation separation GB/T 223.37, Iron, steel and alloy -- Determination of nitrogen content -- Indophenol blue spectrophotometric method after distillation separation GB/T 223.53, Methods for chemical analysis of iron, steel and alloy. The flame atomic absorption spectrophotometric method for the determination of copper content GB/T 223.54, Iron, steel and alloy -- Determination of nickel content -- Flame atomic absorption spectrometric method GB/T 223.58, Methods for chemical analysis of iron, steel and alloy -- The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content GB/T 223.59, Iron, steel and alloy -- Determination of phosphorus content -- Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue 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 223.61, Methods for chemical analysis of iron, steel and alloy -- The ammonium phosphomolybdate volumetric method for the determination of phosphorus content GB/T 223.62, Methods for chemical analysis of iron, steel and alloy -- The butyl acetate extraction photometric method for the determination of phosphorus content GB/T 223.64, Iron, steel and alloy -- Determination of manganese content -- Flame atomic absorption spectrometric method GB/T 223.67, Iron, steel and alloy -- Determination of sulfur content -- Methylene blue spectrophotometric method 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 Unless otherwise specified in the contract, the smelting method is chosen by the manufacturer. 5.3 Delivery state Tube blanks are generally delivered in hot-rolled and forged states. After negotiation between the supplier and the purchaser and noted in the contract, delivery can also be made in other states. 5.4 Macrostructure 5.4.1 Hot-rolled tube blanks with a diameter not greater than 250mm and forged tube blanks with a diameter not greater than 400mm shall not have visually visible white spots, delamination, cracks, shrinkage cavities, inclusions and skinning on the cross- section acid-leached microstructure test pieces. However, hot-rolled tube blanks with a diameter greater than 250mm and forged tube blanks with a diameter greater than 400mm are allowed to have shrinkage cavities not exceeding level 1.0 specified in GB/T 1979-2001 with the consent of the purchaser and stated in the contract. 5.4.2 For the macrostructure structural defects allowed to exist in the tube blank, general porosity, center porosity and segregation shall be evaluated according to GB/T 1979- 2001. The qualification level of tube blanks with a diameter not greater than 350mm is not greater than level 2.5; the qualification level of tube blanks with a diameter greater than 350mm is not greater than level 3.0. 5.4.3 After negotiation between the supplier and the purchaser, ultrasonic testing can be used instead of macrostructure testing. Its ultrasonic testing method and qualification level shall be specified in the contract. 5.5 Non-metallic inclusions According to the requirements of the purchaser, the tube blanks can be inspected for non-metallic inclusions according to Method A in GB/T 10561-2005. The qualification level is determined by negotiation between the supplier and the purchaser. 5.6 Grain size According to the requirements of the purchaser, the tube blank can be inspected for austenite grain size according to GB/T 6394. The qualification level is determined through coordination between the supplier and the purchaser. 5.7 Surface quality 5.7.1 There shall be no visible scars, folds, inclusions or cracks with a depth greater than 0.2mm on the surface of the tube blank. It is allowed to have individual small scratches, concave surfaces, pitting and other defects that do not exceed the negative deviation of the diameter from the actual size. ......

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