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GB/T 24595-2020 English PDF (GB/T 24595-2009)

GB/T 24595-2020_English: PDF (GB/T24595-2020)
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GB/T 24595-2020English145 Add to Cart 0--9 seconds. Auto-delivery Hot-rolled steel bars for quenched and tempered automobile crankshafts Valid GB/T 24595-2020
GB/T 24595-2009English439 Add to Cart 3 days [Need to translate] Steel bar for quenched and tempered automotive crankshaft Obsolete GB/T 24595-2009


BASIC DATA
Standard ID GB/T 24595-2020 (GB/T24595-2020)
Description (Translated English) Hot-rolled steel bars for quenched and tempered automobile crankshafts
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H54
Classification of International Standard 77.140.60
Word Count Estimation 10,171
Date of Issue 2020-03-06
Date of Implementation 2020-10-01
Drafting Organization Jiangyin Xingcheng Special Steel Co., Ltd., Xiwang Metal Technology Co., Ltd., Jiangsu Yonggang Group Co., Ltd., Shandong Iron and Steel Co., Ltd. Laiwu Branch, Bengang Steel Plate Co., Ltd., Pangang Group Jiangyou Great Wall Special Steel Co., Ltd., Shandong Shouguang Juneng Special Steel Co., Ltd., Metallurgical Industry Information Standards Research Institute
Administrative Organization National Steel Standardization Technical Committee (SAC/TC 183)
Proposing organization China Iron and Steel Association
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

BASIC DATA
Standard ID GB/T 24595-2009 (GB/T24595-2009)
Description (Translated English) Steel bar for quenched and tempered automotive crankshaft
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H40
Classification of International Standard 77.140.20
Word Count Estimation 11,142
Date of Issue 2009-10-30
Date of Implementation 2010-05-01
Quoted Standard GB/T 222; GB/T 223.3; GB/T 223.11; GB/T 223.19; GB/T 223.23; GB/T 223.26; GB/T 223.60; GB/T 223.62; GB/T 223.63; GB/T 223.67; GB/T 223.68; GB/T 223.69; GB/T 223.71; GB/T 224; GB/T 225; GB/T 226; GB/T 228; GB/T 229; GB/T 231.1; GB/T 702; GB/T 1979; GB/T 2101; GB/T 2975; GB/T 4162; GB/T 4336; GB/T 6394; GB/T 10561; GB/T 13298; GB/T 13299; GB/T 17505; GB/T 20066; GB/T 20123
Drafting Organization Benxi Iron and Steel (Group) Co., Ltd.
Administrative Organization National Steel Standardization Technical Committee
Regulation (derived from) National Standard Approval Announcement 2009 No.12 (Total No.152)
Proposing organization China Iron and Steel Association
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the automotive crankshaft with steel bars quenched order contents, dimensions, shape, test methods, , weight and tolerance, technical requirements for inspection rules, packaging, marking and quality certification. This standard applies to quenched hot rolled steel bars automotive crankshaft (hereinafter referred to as the bars).


GB/T 24595-2020 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.60 H 54 Replacing GB/T 24595-2009 Hot-rolled steel bars for quenched and tempered automobile crankshafts ISSUED ON: MARCH 06, 2020 IMPLEMENTED ON: OCTOBER 01, 2020 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 3  1 Scope ... 5  2 Normative references ... 5  3 Order content ... 7  4 Size, shape, weight ... 7  5 Technical requirements ... 8  6 Test method ... 11  7 Inspection rules ... 12  8 Packaging, marking and quality certificate ... 13  Hot-rolled steel bars for quenched and tempered automobile crankshafts 1 Scope This Standard specifies the order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of hot-rolled steel bars for quenched and tempered automobile crankshafts. This Standard applies to hot-rolled steel bars whose nominal diameter is not greater than 200 mm (hereinafter referred to as steel bars). 2 Normative references The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document. 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 diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.11, Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method 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 223.26, Iron, steel and alloy - Determination of molybdenum content - The thiocyanate 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 11261, Steel and iron - Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method GB/T 17505, Steel and steel products - General technical delivery requirements 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 34474.1-2017, Determination of banded structure of steel - Part 1: Micrographic method using standards diagrams 3 Order content Contracts or orders which are ordered under this Standard shall include the following contents: a) number of this Standard; b) product name: c) designation; d) specifications; e) weight (quantity); f) delivery status; g) other special requirements; 4 Size, shape, weight 4.1 Size and allowable deviation 4.1.1 The diameter of the steel bar and its allowable deviation shall meet the requirements of Group 2 in Table 1 of GB/T 702-2017. 4.1.2 Steel bars are delivered at a fixed length; the fixed length or multiple length is specified in the contract; the allowable deviation of the length is +50 0 mm. The existence of short length is allowed; the length of the short length shall not be less than 2 000 mm; the delivery volume of the short length cannot exceed 10% of the total weight of the batch. 6 End hardenability 1 pc/ batch Any steel bar GB/T 225 7 Macro-structure 2 pcs/ batch Different steel bars GB/T 226, GB/T 1979 8 Non-metallic inclusions 2 pcs/ batch Different steel bars GB/T 10561- 2005 9 Grain size 1 pc/ batch Any steel bar GB/T 6394 10 Banded structure 1 pc/ batch Any steel bar GB/T 34474.1-2017 11 Ultrasonic testing Piece by piece - GB/T 4162-2008 12 Surface quality Piece by piece - Visual inspection 13 Size, shape Piece by piece - Caliper, micrometer 7 Inspection rules 7.1 Inspection and acceptance 7.1.1 The delivery inspection and acceptance of steel bars shall be carried out by the supplier's quality and technical supervision department. 7.1.2 The supplier shall ensure that the delivered steel bars meet the requirements of this Standard or the contract. If necessary, the buyer has the right to inspect and accept according to any inspection item that is specified in this Standard or the contract. 7.2 Batch rules Steel bars shall be inspected and accepted in batches; each batch consists of steel bars of the same designation, the same furnace number, the same size and the same delivery status. 7.3 Sampling quantity and sampling position The sampling quantity and sampling position of the steel bars shall comply with the requirements of Table 7. 7.4 Re-inspection and determination rules The re-inspection and determination rules of the steel bars are performed according to the provisions of GB/T 17505. ......


GB/T 24595-2009 Steel bar for quenched and tempered automotive crankshaft ICS 77.140.20 H40 National Standards of People's Republic of China Steel car with crankshaft for quenched and tempered car 2009-10-30 release 2010-05-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released Preface Appendix A of this standard is a normative appendix. This standard is proposed by China Iron and Steel Industry Association. This standard by the National Steel Standardization Technical Committee. The main drafting of this standard. Benxi Iron and Steel (Group) Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Liang Qihua, Zhang Xianfeng, Gao Weiguang, Huang Tao, Li Xifeng, Kang Zaixing, Lu Yanyan, Dai Qiang. Steel car with crankshaft for quenched and tempered car 1 range This standard specifies the order content, size, shape, weight and allowable deviation, technical requirements, test method, Inspection rules, packaging, signs and quality certificates. This standard applies to quenched and tempered car crankshaft with hot-rolled steel bar (hereinafter referred to as steel bar). 2 normative reference documents The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all (Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard. GB/T 222 Determination of chemical composition of finished steel GB/T 223.3 Methods for chemical analysis of iron, steel and alloy The diantipyrylmethane phosphomolybdic acid gravimetric method for the determination of phosphorus Steel and alloys - Determination of chromium content - Visual titration or potentiometric titration GB/T 223.19 Methods for chemical analysis of iron, steel and alloy The new sub-copper-triclosan potassium dichloride extraction spectrophotometric method for the determination of copper content Iron and steel - Determination of nickel content - Butadiene oxime spectrophotometric method GB/T Iron and steel - Determination of molybdenum content - Thiocyanate spectrophotometric method GB/T GB/T 223.60 Methods for chemical analysis of iron, steel and alloy - Perchloric acid dehydration gravimetric method for the determination of silicon content GB/T 223.62 Methods for chemical analysis of iron, steel and alloy - Butyl acetate extraction spectrophotometric method for the determination of phosphorus content GB/T 223.63 Methods for chemical analysis of iron, steel and alloy The sodium periodate (potassium) spectrophotometric method for the determination of manganese content Iron and steel - Determination of sulfur content - Dimethyl blue spectrophotometric method GB/T GB/T 223.68 Methods for chemical analysis of iron, steel and alloy The potentiometric determination of sulfur content by potassium iodate titration after burning in a furnace Iron and steel - Determination of carbon content - Burning furnace gas volume method in tubular furnace GB/T GB/T 223.71 Methods for chemical analysis of iron, steel and alloy The post-combustion gravimetric method for the determination of carbon content GB/T 224 Determination of decarburization depth of steel (GB/T 224-2008, ISO 3887..2003, MOD) Test method for final quenching of GB/T 225 steel (Jominy test) (GB/T 225-2006, ISO . 642..1999, IDT) GB/T 226 steel at low magnification and defect corrosion test method GB/T 228 Test method for room temperature tensile testing of metallic materials (GB/T 228-2002, eqv ISO 6892..1998) GB/T 229 Metallic materials Chibi pendulum impact test method (GB/T 229-2007, ISO 148-1..2006, MOD) Metallic Brinell hardness test - Part 1. Test methods GB/T 702 hot-rolled steel bar size, shape, weight and allowable deviation (GB/T 702-2008, ISO 10351 ~ 4. 1980, MOD) GB/T 1979 Structural steel low magnification tissue defect rating chart GB/T 2101 steel acceptance, packaging, marking and quality of the general provisions of the certificate GB/T 2975 steel and steel products mechanical properties test sampling location and sample preparation (GB/T 2975-1998, modISO 377. 1997) Ultrasonic testing method for GB/T 4162 forging steel bar GB/T 4336 spark source atomic emission spectrometric method for the analysis of carbon steel and medium and low alloy steels (conventional method) GB/T 6394 Determination of average grain size of metals GB/T 10561 steel in the determination of non-metallic inclusions standard map micro-test method (GB/T 10561-2005, ISO 4967..1998, IDT) ......

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