2025-7-15 18.97.9.168
Code of China Chinese Classification Professional Classification ICS Classification Latest News Value-added Services

Position: Chinese Standard in English/GB/T 33954-2017
GB/T 33954-2017   Hot-rolled wire rod for quenched and tempered spring steel wires (English Version)
Standard No.: GB/T 33954-2017 Status:valid remind me the status change

Email:

Language:English File Format:PDF
Word Count: 5500 words Price(USD):140.0 remind me the price change

Email:

Implemented on:2018-4-1 Delivery: via email in 1 business day
,,
Standard No.: GB/T 33954-2017
English Name: Hot-rolled wire rod for quenched and tempered spring steel wires
Chinese Name: 淬火-回火弹簧钢丝用热轧盘条
Chinese Classification: H44    Profile steel and deformed steel
Professional Classification: GB    National Standard
ICS Classification: 77.140.60 77.140.60    Steel bars and rods 77.140.60
Issued by: AQSIQ; SAC
Issued on: 2017-07-12
Implemented on: 2018-4-1
Status: valid
Language: English
File Format: PDF
Word Count: 5500 words
Price(USD): 140.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Iron and Steel Industry Association. This standard is under the jurisdiction of the SAC/TC 183 National Technical Committee on Iron and Steel of Standardization Administration of China. Hot-rolled wire rod for quenched and tempered spring steel wires 1 Scope This standard specifies the order information, dimension, shape, mass and tolerance, technical requirements, test methods, inspection rules, and packaging, marking and certification of hot-rolled wire rod for quenched and tempered spring steel wires. This standard is applicable to hot-rolled wire rod for quenched and tempered spring steel wires (hereinafter referred to as “wire rod”). 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 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric 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 223.19 Methods for chemical analysis of iron steel and alloy - The neocuproine-chloroform extraction photometric method for the determination of copper content GB/T 223.54 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrophotometric method for the determination of nickel content 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 223.62 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 223.64 Iron, steel and alloy - Determination of manganese content - Flame atomic absorption spectrometric method GB/T 223.72 Iron, steel and alloy - Determination of sulfur content - Gravimetric method GB/T 224 Determination of depth of decarburization of steel GB/T 226 Test method for macrostructure and defect of steel by etching GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 1979 Standard diagrams for macrostructure and defect of structural steels GB/T 2101 General requirement of acceptance, packaging, marking, and certification for section steel GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 4336 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-alloy steel (routine method) GB/T 6394 Determination of estimating the average grain size of metal GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 10561 Steel - Determination of content of nonmetallic inclusions - Micrographic method using standards diagrams GB/T 11261 Steel and iron - Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method GB/T 13299 Steel - Determination of microstructure GB/T 14981-2009 Dimension, shape, mass and tolerance for hot-rolled round wire rod 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) 3 Ordering information Contracts or orders made based on this standard shall cover the following items: a) serial number of this standard; b) product name; c) steel grade; d) product specifications and mass; e) dimension, shape and accuracy grade; f) other special requirements. 4 Dimension, shape, mass and tolerance 4.1 The wire rods shall be delivered according to accuracy grade B or C as specified in GB/T 14981-2009 in terms of dimension, shape and tolerance. The specific delivery grade shall be specified in the contract, or otherwise they shall be delivered according to Grade B. 4.2 Each coil of wire rod shall consist of one wire rod with a mass of not less than 1,500kg. Each delivery batch is allowed to have 5% of coils less than 1,500kg but not less than 1,000kg (coils less than two are regard as two coils). 5 Technical requirements 5.1 Grade and chemical composition 5.1.1 The grade and chemical composition (melting analysis) of wire rods shall meet those specified in Table 1. 5.1.2 The permissible tolerances for chemical composition of finished wire rods shall be in accordance with those specified in GB/T 222. Table 1 Grade and chemical composition of wire rods   5.1.3 Except the elements required for smelting, the elements not listed in Table 1 shall not be intentionally added to steel without the consent of the purchaser, and measures shall be taken to reduce the content of elements from scrap steel or other auxiliary materials used in the smelting process that affect hardenability, mechanical properties and service performance. 5.1.4 The copper content shall be controlled below 0.12% for the wire rods for quenched and tempered spring steel wires of moderate fatigue grade (Grade TD) and high fatigue grade (Grade VD). 5.1.5 As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, the wire rods of other grades and chemical composition may be supplied. 5.1.6 The oxygen and nitrogen content of the wire rods shall meet those specified in Table 2. Table 2 Oxygen and nitrogen content Grade Oxygen and nitrogen content (mass fraction)/% Oxygen content Nitrogen content 65Mn and 70Mn — — Other grades ≤25×104 ≤70×10-4 5.2 Smelting method Steel is smelted in an electric furnace or converter and refined outside the furnace. 5.3 Delivery state Wire rods shall be delivered in hot rolled state. 5.4 Mechanical properties Wire rods shall be tested for mechanical properties. Table 3 gives the reference values of mechanical properties of wire rods, which is not the basis of delivery. Table 3 Reference values of mechanical properties Grade Tensile strength Rm/MPa Percentage reduction of area Z% 65Mn 900~1,130 ≥30 55SiCr 930~1,160 55SiCrV 960~1,190 60Si2Mn 930~1,160 Other grades As agreed As agreed 5.5 Decarburized layer 5.5.1 Wire rods shall be tested for the depth of decarburized layer. 5.5.2 The total depth of decarburized layer (fully decarburized layer + partially decarburized layer) on one side of the wire rod shall meet those specified in Table 4, where D is the nominal diameter of the wire rod. 5.5.3 Fully decarburized layer as shown in Figure 1 is sporadically allowed on the surface of wire rod, with the total arc length not greater than the arc length corresponding to 15° central angle and the depth meeting those specified in Table 4.
Foreword II 1 Scope 2 Normative references 3 Ordering information 4 Dimension, shape, mass and tolerance 5 Technical requirements 6 Test methods 7 Inspection rules 8 Packaging, marking and certification
Referred in GB/T 33954-2017:
*GB/T 222-2006 Permissible Tolerances for Chemical Composition of Steel Products
*GB/T 223.5-2008 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
*GB/T 223.11-2008 Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method
*GB/T 223.14-2000 Methods for Chemical Analysis of Iron, Steel and Alloy - The N-Benzoy-N-Phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content
*GBT223.19-
*GB/T 223.54-2022 Iron, steel and alloy—Determination of nickel content—Flame atomic absorption spectrometric method
*GB/T 223.60-1997 Methods for chemical analysis of iron,steel and alloy The perchloric acid dehydration gravimetric method for the determination of silicon content
*GB/T 223.62-1988 Methods for chemical analysis of iron, steel and alloy; The butyl acetate extraction photometric method for the determination of phosphorus content
*GB/T 223.63-2022 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method
*GB/T 223.64-2008 Iron, Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method
*GB/T 223.72-2008 Iron, Steel and Alloy - Determination of Sulfur Content - Gravimetric Method
*GB/T 224-2019 Determination of the depth of decarburization of steels
*GB/T 226-2015 Test method for macrostructure and defect of steel by etching
*GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1: Method of test at room temperature
*GB/T 1979-2001 STANDARD diagrams for macrostructure and defect of structural steels
*GB/T 2101-2017 General requirement of acceptance, packaging, marking and certification for section steel
*GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing
*GB/T 4336-2016/XG1-2017 Carbon and low-alloy steel―Determination of multi-element contents―Spark discharge atomic emission spectrometric method (routine method), includes Amendment 1
*GB/T 6394-2017 Metal - Methods for estimating the average grain size
*GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
*GB/T 10561-2023 Steel-Determination of content of nonmetallic inclusions—Micrographic method using standard diagrams
*GB/T 11261-2006 Steel and Iron-Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method
*GB/T 13299-2022 Determination of free cementite, pearlite and Widmanstaten structure in steel
*GB/T 14981-2009 Dimension shape mass and tolerance for hot-rolled round wire rod
*GB/T 20066-2006 Steel and Iron-Sampling and Preparation of Samples for the Determination of Chemical Composition
*GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
*GB/T 20124-2006 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
GB/T 33954-2017 is referred in:
*GB/T 23119-2017 Household and similar electrical appliances - Water for performance testing
*GB/T 34593-2017 Test methods of hydrogen emission for fuel cell engine
*GB 751-1981 Test method for drying shrinkage of cement mortar
*GB/T 2573-1989 Test method for atmosphere exposure of glass fiber reinforced plastics
*SJ/T 10587.2-1994 Technical data of type DM-308 electronic glass
*GB/T 6060.5-1988 Roughness comparison specimens--Shot-blasted and grit-blasted surfaces
*GB/T 34452-2017 Performance requirements of portable LED luminaires for general lighting
*GB/T 2057-1989 Nickel anode sheets
*GB/T 14454.13-1993 Aromatics. Determination of carbonyl compounds content. Neutral sodium sulfite method
Code of China
Standard
GB/T 33954-2017  Hot-rolled wire rod for quenched and tempered spring steel wires (English Version)
Standard No.GB/T 33954-2017
Statusvalid
LanguageEnglish
File FormatPDF
Word Count5500 words
Price(USD)140.0
Implemented on2018-4-1
Deliveryvia email in 1 business day
Detail of GB/T 33954-2017
Standard No.
GB/T 33954-2017
English Name
Hot-rolled wire rod for quenched and tempered spring steel wires
Chinese Name
淬火-回火弹簧钢丝用热轧盘条
Chinese Classification
H44
Professional Classification
GB
ICS Classification
Issued by
AQSIQ; SAC
Issued on
2017-07-12
Implemented on
2018-4-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
5500 words
Price(USD)
140.0
Keywords
GB/T 33954-2017, GB 33954-2017, GBT 33954-2017, GB/T33954-2017, GB/T 33954, GB/T33954, GB33954-2017, GB 33954, GB33954, GBT33954-2017, GBT 33954, GBT33954
Introduction of GB/T 33954-2017
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Iron and Steel Industry Association. This standard is under the jurisdiction of the SAC/TC 183 National Technical Committee on Iron and Steel of Standardization Administration of China. Hot-rolled wire rod for quenched and tempered spring steel wires 1 Scope This standard specifies the order information, dimension, shape, mass and tolerance, technical requirements, test methods, inspection rules, and packaging, marking and certification of hot-rolled wire rod for quenched and tempered spring steel wires. This standard is applicable to hot-rolled wire rod for quenched and tempered spring steel wires (hereinafter referred to as “wire rod”). 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 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric 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 223.19 Methods for chemical analysis of iron steel and alloy - The neocuproine-chloroform extraction photometric method for the determination of copper content GB/T 223.54 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrophotometric method for the determination of nickel content 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 223.62 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 223.64 Iron, steel and alloy - Determination of manganese content - Flame atomic absorption spectrometric method GB/T 223.72 Iron, steel and alloy - Determination of sulfur content - Gravimetric method GB/T 224 Determination of depth of decarburization of steel GB/T 226 Test method for macrostructure and defect of steel by etching GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 1979 Standard diagrams for macrostructure and defect of structural steels GB/T 2101 General requirement of acceptance, packaging, marking, and certification for section steel GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 4336 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-alloy steel (routine method) GB/T 6394 Determination of estimating the average grain size of metal GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 10561 Steel - Determination of content of nonmetallic inclusions - Micrographic method using standards diagrams GB/T 11261 Steel and iron - Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method GB/T 13299 Steel - Determination of microstructure GB/T 14981-2009 Dimension, shape, mass and tolerance for hot-rolled round wire rod 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) 3 Ordering information Contracts or orders made based on this standard shall cover the following items: a) serial number of this standard; b) product name; c) steel grade; d) product specifications and mass; e) dimension, shape and accuracy grade; f) other special requirements. 4 Dimension, shape, mass and tolerance 4.1 The wire rods shall be delivered according to accuracy grade B or C as specified in GB/T 14981-2009 in terms of dimension, shape and tolerance. The specific delivery grade shall be specified in the contract, or otherwise they shall be delivered according to Grade B. 4.2 Each coil of wire rod shall consist of one wire rod with a mass of not less than 1,500kg. Each delivery batch is allowed to have 5% of coils less than 1,500kg but not less than 1,000kg (coils less than two are regard as two coils). 5 Technical requirements 5.1 Grade and chemical composition 5.1.1 The grade and chemical composition (melting analysis) of wire rods shall meet those specified in Table 1. 5.1.2 The permissible tolerances for chemical composition of finished wire rods shall be in accordance with those specified in GB/T 222. Table 1 Grade and chemical composition of wire rods   5.1.3 Except the elements required for smelting, the elements not listed in Table 1 shall not be intentionally added to steel without the consent of the purchaser, and measures shall be taken to reduce the content of elements from scrap steel or other auxiliary materials used in the smelting process that affect hardenability, mechanical properties and service performance. 5.1.4 The copper content shall be controlled below 0.12% for the wire rods for quenched and tempered spring steel wires of moderate fatigue grade (Grade TD) and high fatigue grade (Grade VD). 5.1.5 As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, the wire rods of other grades and chemical composition may be supplied. 5.1.6 The oxygen and nitrogen content of the wire rods shall meet those specified in Table 2. Table 2 Oxygen and nitrogen content Grade Oxygen and nitrogen content (mass fraction)/% Oxygen content Nitrogen content 65Mn and 70Mn — — Other grades ≤25×104 ≤70×10-4 5.2 Smelting method Steel is smelted in an electric furnace or converter and refined outside the furnace. 5.3 Delivery state Wire rods shall be delivered in hot rolled state. 5.4 Mechanical properties Wire rods shall be tested for mechanical properties. Table 3 gives the reference values of mechanical properties of wire rods, which is not the basis of delivery. Table 3 Reference values of mechanical properties Grade Tensile strength Rm/MPa Percentage reduction of area Z% 65Mn 900~1,130 ≥30 55SiCr 930~1,160 55SiCrV 960~1,190 60Si2Mn 930~1,160 Other grades As agreed As agreed 5.5 Decarburized layer 5.5.1 Wire rods shall be tested for the depth of decarburized layer. 5.5.2 The total depth of decarburized layer (fully decarburized layer + partially decarburized layer) on one side of the wire rod shall meet those specified in Table 4, where D is the nominal diameter of the wire rod. 5.5.3 Fully decarburized layer as shown in Figure 1 is sporadically allowed on the surface of wire rod, with the total arc length not greater than the arc length corresponding to 15° central angle and the depth meeting those specified in Table 4.
Contents of GB/T 33954-2017
Foreword II 1 Scope 2 Normative references 3 Ordering information 4 Dimension, shape, mass and tolerance 5 Technical requirements 6 Test methods 7 Inspection rules 8 Packaging, marking and certification
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: TransForyou Co., Ltd. 2008-2040
 
 
Keywords:
GB/T 33954-2017, GB 33954-2017, GBT 33954-2017, GB/T33954-2017, GB/T 33954, GB/T33954, GB33954-2017, GB 33954, GB33954, GBT33954-2017, GBT 33954, GBT33954