GB/T 24595-2020_English: PDF (GB/T24595-2020)
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GB/T 24595-2020 | English | 145 |
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Hot-rolled steel bars for quenched and tempered automobile crankshafts
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GB/T 24595-2020
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GB/T 24595-2009 | English | 439 |
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Steel bar for quenched and tempered automotive crankshaft
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GB/T 24595-2009
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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 | 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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