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GB/T 33967-2017

Chinese Standard: 'GB/T 33967-2017'
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Detail Information of GB/T 33967-2017; GB/T33967-2017
Description (Translated English): Wire rods for conversion to wire without intermediate heat treatment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H44
Classification of International Standard: 77.140.60
Word Count Estimation: 10,154
Date of Issue: 2017-07-12
Date of Implementation: 2018-04-01
Drafting Organization: Anshan Iron and Steel Co., Ltd., Jiangsu Shagang Group Co., Ltd., Jiangsu Yonggang Group International Trade Co., Ltd., Metallurgical Industry Information Standards Institute
Administrative Organization: National Steel Standardization Technical Committee (SAC/TC 183)
Proposing organization: China Iron and Steel Industry Association
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

GB/T 33967-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.60
H 44
Wire Rods for Conversion to Wire
without Intermediate Heat Treatment
免铅浴淬火钢丝用热轧盘条
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. APRIL 1, 2018
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine;
Standardization Administration of PRC.
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Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 6
4 Grade Expression Method ... 7
5 Order Content ... 7
6 Size, Shape, Weight and Allowable Deviation ... 8
7 Technical Requirements ... 8
8 Test Method ... 12
9 Inspection Rules ... 12
10 Rounding off for Values ... 13
11 Package, Marking and Quality Certificate ... 13
Appendix A (Informative) Grade Comparison of Wire Rod ... 14
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard was proposed by China Iron and Steel Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee for
Standardization of Steel (SAC/TC 183).
Drafting organizations of this Standard. Angang Steel Company Limited, Jiangsu
Shagang Group Co., Ltd., Jiangsu Yonggang Group International Trading Co., Ltd.,
and China Metallurgical Information and Standardization Institute.
Chief drafting staffs of this Standard. Di Liping, Pu Zhimin, Ren Yuhui, Ren Cuiying,
Wang Lingjun, Zhang Xiaobing, Zhang Ge, Che An, Gu Jie, Li Xiaobo, and Gao
Hang.
Wire Rods for Conversion to Wire
without Intermediate Heat Treatment
1 Scope
This Standard specifies the terms and definitions, grade expression method, ordering
content, dimension, shape, weight and allowable deviation, technical requirements,
test methods, inspection rules, package, marking and quality certificate of wire rods for
conversion to wire without intermediate heat treatment.
This Standard is applicable to the hot-rolled wire rod for wire-making without
intermediate heat treatment or final heat treatment during the wire-making process;
namely, wire rods for conversion to wire without intermediate heat treatment
(hereinafter referred to as wire rod).
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) are applicable to this document.
GB/T 222 Method of Sampling Steel for Determination of Chemical Composition
and Permissible Variation for Product Analysis
GB/T 223.5 Methods for Chemical Analysis of Iron, Steel and Alloy - the Reduced
Molybdosilicate Spectrophotometric Method for the Determination of Acid-Soluble
Silicon Content
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 223.19 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 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Dimethylglyoxime Spectrophotometric Method for the Determination of Nickel
Content
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
Indophenol Blue Photometric Method for the Determination of Nitrogen Content
after Distillation Separation
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 223.62 Methods for Chemical Analysis of Iron, Steel and Alloy - The Butyl
Acetate Extraction Photometric Method for the Determination of Phosphorus
Content
GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy – The
Sodium (Potassium) Periodate Photometric Method for the Determination of
Manganese Content
GB/T 223.67 Iron, Steel and Alloy - Determination of Sulfur Content - Methylene
Blue Spectrophotometric Method
GB/T 223.69 Iron, Steel and Alloy - Determination of Carbon Contents - Gas-
volumetric Method after Combustion in the Pipe Furnace
GB/T 223.72 Iron, Steel and Alloy - Determination of Sulfur Content - Gravimetric
Method
GB/T 224 Determination of Depth of Decarburization of Steels
GB/T 228.1 Metallic Materials - Tensile Testing - Part 1. Method of Test at Room
Temperature
GB/T 2101 Generel Provisions on Acceptance, Package, Marking and Quality
Certificate for Profile Steel
GB/T 2975 Steel and Steel Products - Location and Preparation of 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 6394 Metal - Methods for Estimating the Average Grain Size
GB/T 8170 Rules of Rounding off for Numerical Values & Expression and
Judgement of Limiting Values
GB/T 10561 Steel - Determination of Content of Nonmetallic Inclusions -
Micrographic Method Using Standards Diagrams
GB/T 13298 Metal - Inspection Method of Microstructure
GB/T 14981-2009 Dimension Shape Mass and Tolerance for Hot-Rolled Round
Wire Rod
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 24242.1-2009 Non-Alloy Steel Wire Rods for Conversion to Wire—Part 1.
General Requirements
YB/T 169 Metallographic Test Mothod for the Sobit Percent in the High Carbon
Steel Wire Rod
YB/T 4411 Evaluation Method for Center Martensite of High Carbon Steel Wire
Rod
YB/T 4412 Evaluation Method for Reticular Cementite of High Carbon Steel Wire
Rod
3 Terms and Definitions
The following terms and definitions are applicable to this document.
3.1 Easy drawing cooling. EDC
It is one easy drawing cooling process. After the wire rod spinning, it quickly enters into
the water medium for cooling, and finish the organizational transition. Compared with
the ordinary air-cooled process, the wire rod cooling in water medium is featured by
high uniformity and fast cooling speed; it is conducive to increase the sorbite rate and
expand the refine sheet spacing, and improve the processing performance of the wire
rod.
3.2 Wire rods for conversion to wire without intermediate heat treatment
For the wire rod produced by adopting the EDC process, the organizational
performance of wire rod can reach or be close to the level of lead bath; so the steel
wire can be directly pulled-out, which eliminates the intermediate and final lead bath,
salt ba......
Related standard:   GB/T 33958-2017  GB/T 33959-2017
   
 
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