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GB/T 33963-2017 (GB/T33963-2017)

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GB/T 33963-2017: PDF in English (GBT 33963-2017)
GB/T 33963-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.50
H 46
Steel Plates and Sheets for Truck Carriage
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. APRIL 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
3. No action is required - Full-copy of this standard will be automatically &
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Table of Contents
Foreword ... 3 
1 Application Scope ... 4 
2 Normative References ... 4 
3 Designation ... 6 
4 Ordering Content ... 6 
5 Dimensions, Shape and Weight ... 7 
6 Technical Requirements ... 8 
7 Test Methods ... 11 
8 Inspection Rules ... 11 
9 Packaging, Marking and Quality Certification ... 12 
Annex A (Informative) Carbon Equivalent Reference Values of Steel for Wear-
resistant Parts ... 13 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard was proposed by China Iron and Steel Association.
This Standard shall be under the jurisdiction of the National Standardization Technical
Committee on Steels (SAC/TC 183).
The drafting organizations of this Standard. Wuhan Iron and Steel Co., Ltd., China
Metallurgical Information and Standardization Institute, Xinyu Iron and Steel Co. Ltd.,
Shougang Group, Angang Steel Co., Ltd., HBIS Co., Ltd. Tangshan Branch.
The main drafters of this Standard. Tao Wenzhe, Liang Wen, Zhang Weixu, Yang
Honglai, Wu Zhaohui, Guan Jichun, Deng Cuiqing, Liu Meihong, Yu Jianlin, Pan Hui,
Liu Zhiyong, Chen Jiqing, Chen Xiaohong, Huang Dawei.
Steel Plates and Sheets for Truck Carriage
1 Application Scope
This Standard specifies the designation, ordering content, dimensions, shape, weight,
technical requirements, test methods, inspection rules and packaging, marking and
quality certification of steel plates and sheets for truck carriage.
This Standard applies to hot-rolled steel plates (including hot continuous rolling shear
steel plates) and sheets (including longitudinal cutting steel sheets) of thickness 1.2
mm ~ 12.0 mm for the cold forming and wear-resistant parts of truck carriage.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies 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 223.12, 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 223.14, Methods for Chemical Analysis of Iron, Steel and Alloy – the N-enzoy-
N-phenylhydroxylamine Extraction Photometric Method for the Determination of
Vanadium Content
GB/T 223.16, Methods for Chemical Analysis of Iron, Steel and Alloy – the
Chromotropic Acid Photometric Method for the Determination of Titanium 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, 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 223.31, Iron Steel and Alloy – Determination of Arsenic Content – Distillation-
Molybdenum Blue 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 223.40, Iron, Steel and Alloy – Determination of Niobium Content by the
Sulphochlorophenol S Spectrophotometric Method
GB/T 223.58, Methods for Chemical Analysis of Iron, Steel and Alloy – the Sodium
Arsenite-Sodium Nitrite Titrimetric Method for the Determination of Manganese
Content
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 223.68, Methods for Chemical Analysis of Iron, Steel and Alloy – the
Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the
Determination of Sulfur Content
GB/T 223.69, Iron, Steel and Alloy – Determination of Carbon Contents – Gas-
volumetric Method after Combustion in the Pipe Furnace
GB/T 223.75, Iron Steel and Alloy – Determination of Boron Content – Methanol
Distillation-Curcumin Photometric 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 231.1, Metallic Materials – Brinell Hardness Test – Part 1. Test Method
GB/T 232, Metallic Materials – Bend Test
GB/T 247, General Rule of Package, Mark and Certification for Steel Plates (Sheets)
and Strips
GB/T 709, Dimensions, Shape, Weight and Tolerances for Hot Rolled Steel Sheets
and Strips
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 and Expression and
Table 6 – Mechanical Properties and Processing Properties of Steel Plates and
Sheets for Wear-resistant Parts
6.4.2 The Charpy (V-notch) impact absorbed energy is calculated as the arithmetic
mean value of three samples; it is allowed that a single value of one of the three
samples is lower than that specified in Table 5, but not lower than 70% of the value
specified.
6.4.3 For Charpy (V-notch) impact test of steel plates and sheets of thickness less
than 12 mm, samples of small dimensions shall be used. The dimensions of the
samples of steel plates and sheets of 8 mm < thickness < 12 mm are 10 mm × 7.5 mm
× 55 mm, and the test result shall not be less than 75% of the value specified in Table
5; the dimensions of the samples of steel plates and sheets of thickness 6 mm ~ 8 mm
are 10 mm × 5 mm × 55 mm, and the test result shall not be less than 50% of the value
specified in Table 5; impact test is omitted for steel plates and sheets of thickness less
than 6 mm.
6.5 Surface quality
6.5.1 The surface of steel plates and sheets shall be free from the defects adverse
to use, including bubbles, scars, cracks, inclusions and folds. In case of any defect
above mentioned, it is allowed to be removed; the depth of removal shall not be greater
than half of the tolerance for the thickness of steel. The removing spots shall be smooth
without angle and ensure the minimum allowable thickness of steel plates.
6.5.2 The surface of steel plates and sheets is allowed to have thin oxidized scale,
rust and slight pits, scratches and other local defects; the convex-concave degree shall
not be greater than half of the tolerance for the thickness of steel plates and sheets
and ensure the minimum allowable thickness of steel plates and sheets.
6.5.3 There is no chance to cut off the parts with defects for steel sheets, and
therefore, it is allowed to deliver steel sheets with several abnormal parts, but the parts
with defects shall not be greater than 6% of the total length of each roll.
6.6 Special requirements
Other special requirements for steel plates and sheets can be made as required by the
purchaser, which shall be agreed on by the supplier and the purchaser, and stated in
the contract.
Designation Yield strength
ReLa/MPa
Tensile strength
Rm/MPa
Percentage elongation after
fracture A50 mm/% 90° bend test
b Surface Brinell
hardness HBW
a If the yield is not obvious, Rp0.2 may be measured instead of ReL.
b D is the diameter of bending pressure head; α is the thickness of sample; the width of bending sample b = 35 mm.
......
 
(Above excerpt was released on 2017-09-02, modified on 2022-02-20, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GBT33963-2017