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GB/T 35841-2018

Chinese Standard: 'GB/T 35841-2018'
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Detail Information of GB/T 35841-2018; GB/T35841-2018
Description (Translated English): High strength steel plate for dump truck structure
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H46
Classification of International Standard: 77.140.50
Word Count Estimation: 10,190
Date of Issue: 2018-02-06
Date of Implementation: 2018-11-01
Drafting Organization: Shandong Iron and Steel Group Rizhao Co., Ltd., Metallurgical Industry Information Standards Institute
Administrative Organization: National Steel Standardization Technical Committee (SAC/TC 183)
Proposing organization: China Iron and Steel Association
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, China National Standardization Administration

GB/T 35841-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.10
H 46
High strength steel plate for dump truck structure
自卸矿车结构用高强度钢板
ISSUED ON. FEBRUARY 06, 2018
IMPLEMENTED ON. NOVEMBER 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Order contents ... 6 
4 Grade representation methods ... 6 
5 Size, shape, weight ... 7 
6 Technical requirements ... 7 
7 Test methods ... 10 
8 Inspection rules ... 11 
9 Packaging, marking and quality certificates ... 11 
Appendix A (Informative) Carbon equivalent reference value ... 12 
High strength steel plate for dump truck structure
1 Scope
This standard specifies the contents of ordering, grade presentation method,
size, shape, weight, technical requirements, test methods, inspection rules,
packaging, markings, and quality certificates for high strength steel plates for
dump truck structures.
This standard applies to the manufacture of high strength steel plates
(hereinafter referred to as steel plates) for large mine dump trucks with a
thickness of 3 mm ~ 80 mm.
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 standard.
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 223.9 Iron steel and alloy - Determination of aluminum content - Chrom
azurol S photometric method
GB/T 223.11 Iron, steel and alloy - Determination of chromium content -
Visual titration or potentiometric titration method
GB/T 223.14 Methods for chemical analysis of iron, steel and alloy - The N-
Benzoy-N-Phenylhydroxylamine extraction photometric method for the
determination of vanadium content
GB/T 223.18 Methods for chemical analysis of iron, steel and alloy - The
sodium thiosulfate separation iodimetric 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 223.40 Iron, steel and alloy - Determination of niobium content by the
Sulphochlorophenol S 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) sodium periodate photometric method for the
determination of manganese content
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 228.1 Metallic materials - Tensile testing - Part 1 . Method of test at
room temperature
GB/T 229 Metallic materials - Charpy pendulum impact test method
GB/T 247 General rule of package mark and certification for steel plates
(sheets) and strips
GB/T 709 Dimension, shape, weight and tolerances for hot rolled sheets and
strips
GB/T 2970 Method for ultrasonic testing of thicker steel plates
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 8170 Rules of rounding off for numerical values & expression and
judgement of limiting values
GB/T 14977 General requirement for surface condition of hot-rolled steel
plates
GB/T 17505 Steel and steel products General technical delivery
requirements
GB/T 20066 Steel and iron - Sampling and preparation of samples for the
6.5.2 The surface of the steel plate is allowed to have a thin layer of iron oxide
skin, rust, surface roughness, scratches, indentations and other local
imperfections caused by the peeling of the pressed iron oxide skin which do not
affect the surface defect inspection, but its depth shall not exceed the half of
the thickness tolerance, and it shall guarantee the minimum thickness of the
steel plate.
6.5.3 Steel plates are not permitted to be repair welded.
6.5.4 In addition to the provisions for welding repairs, through negotiation
between the supplier and the purchaser, and as noted in the contract, the
surface quality may also follow the provisions of GB/T 14977.
6.6 Ultrasonic testing
In accordance with the requirements of the purchaser, ultrasonic testing shall
be carried out for each steel sheet with a thickness of not less than 16 mm, the
test method shall be in accordance with the provisions of GB/T 2970 and be
qualified in grade III. After mutual consultation, other testing criteria can also be
used. The specific testing criteria and qualification levels shall be specified in
the contract.
6.7 Special requirements
After negotiations between supplier and the purchaser, it may put forward to
other special requirements for the steel plate.
7 Test methods
7.1 The test method for the chemical composition of the steel shall be in
accordance with GB/T 223.5, GB/T 223.9, GB/T 223.11, GB/T 223.14, GB/T
223.18, GB/T 223.23, GB/T 223.26 , GB/T 223.40, GB/T 223.62, GB/T 223.63,
GB/T 223.69, GB/T 223.72, GB/T4336, GB/T20123, GB/T 20125, or ......
Related standard:   GB/T 12754-2019  GB/T 20564.12-2019
   
 
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