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GB/T 8162-2008 PDF in English


GB/T 8162-2008 (GB/T8162-2008, GBT 8162-2008, GBT8162-2008)
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GB/T 8162-2008: PDF in English (GBT 8162-2008)

GB/T 8162-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.75
H 48
Replacing GB/T 8162-1999
Seamless Steel Tubes for Structural Purposes
ISSUED ON. AUGUST 19, 2008
IMPLEMENTED ON. APRIL 1, 2009
Jointly 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.
Table of Contents
Foreword ... 3 
1. Scope ... 4 
2. Normative References ... 4 
3. Order content ... 8 
4. Dimension, shape, and weight ... 8 
4.1 Outer diameter and wall thickness ... 8 
4.2 Allowable deviation of outer diameter and wall thickness ... 9 
4.3 Length ... 10 
4.4 Bending degree ... 10 
4.5 Non-circularity and wall unevenness ... 11 
4.6 Terminal shape ... 11 
4.7 Weight ... 11 
5. Technical requirements ... 12 
5.1 Grade and chemical composition of steel ... 12 
5.2 Manufacturing method ... 13 
5.3 Delivery state ... 13 
5.4 Mechanical properties ... 13 
5.5 Process properties ... 17 
5.6 Surface quality ... 18 
5.7 Non-destructive test ... 18 
6. Test method ... 18 
7. Inspection rules ... 19 
8. Packaging, marking, and quality certification ... 20 
Foreword
This Standard is not equivalent to EN 10297-1.2003 "Seamless Circular Steel Tubes
for Mechanical and General Engineering Purposes - Technical Delivery Conditions".
This Standard replaces GB/T 8162-1999 "Seamless Steel Tubes for Structural
Purposes". Compared with GB/T 8162-1999, the main changes of this Standard are
as follows.
— ADD order content;
— MODIFY allowable deviation of the dimension;
— ADD requirements of the full-length bending degree;
— ADD requirements of the terminal oblique cutting;
— CANCEL marking examples;
— ADD steel grades;
— CANCEL requirements of the expanding test;
— ADD negotiation provisions of the non-destructive test.
This Standard was proposed by China Iron & Steel Association.
This Standard shall be under jurisdiction of China Steel Standardization Technical
Committee.
Main drafting organizations of this Standard. An’gang Steel Co., Ltd., Pangang Group
Chengdu Iron & Steel Co., Ltd., and Hunan Hengyang Steel Tube Group Co., Ltd.
Main drafters of this Standard. Zhang Huixuan, Zhang Peng, Piao Zhimin, Li Qi, Zhao
Bin, and Li Zhi.
The previous editions replaced by this Standard are as follows.
— GB/T 8162-1987, GB/T 8162-1999.
Seamless Steel Tubes for Structural Purposes
1. Scope
This Standard specifies order content, dimension, shape, weight, technical
requirements, test methods, inspection rules, packaging, marking, and quality
certificate of seamless steel tubes for structural purposes.
This Standard is applicable to seamless steel tubes for mechanical and general
engineering structural purposes.
2. Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
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 223.5 Methods for Chemical Analysis of Iron, Steel and Alloy - The Reduced
Molybdosilicate Spectrophotometric Method for the Determination of Acid-soluble
Silicon Content
GB/T 223.8 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium
Fluoride Separation - EDTA Titration Method for the Determination of Aluminium
Content
GB/T 223.9 Iron Steel and Alloy - Determination of Aluminium Content - Chrom
Azurol S Photometric Method
GB/T 223.11 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Ammonium Persulfate Oxidation Volumetric Method for the Determination of
Chromium 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 223.13 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Ammonium Ferrous Sulfate Titration Method for the Determination of Vanadium
Content
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 223.16 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Chromotropic Acid Photometric Method for the Determination of Titanium 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 223.19 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 223.25 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Dimethylglyoxime Gravimetric 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 223.36 Methods for Chemical Analysis of Iron, Steel and Alloy - The Neutral
Titration Method for the Determination of Nitrogen Content after Distillation
Separation
GB/T 223.37 Methods for Chemical Analysis of Iron Steel and Alloy - The
Indophenal Blue Photometric Methods for the Determination of Nitrogen Content
after Distillation Separation
GB/T 223.40 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Sulphochlorophenol S Photometric Method for the Determination of Niobium
Content
GB/T 223.43 Iron Steel and Alloy - Determination of Tungsten Content -
Gravimetric Method and Spectrophotometric Method
GB/T 223.53 Methods for Chemical Analysis of Iron, Steel and Alloy - The Flame
Atomic Absorption Spectrophotometric 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 223.58 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 Methods for Chemical Analysis of Iron, Steel and Alloy - The Reduced
Molybdoantimonyl Phosphoric Acid Photometric Method for the Determination of
Phosphorus 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 223.6l Methods for Chemical Analysis of Iron, Steel and Alloy - The
Ammonium Phosphomolybdate Volumetric Method for the Determination of
Phosphorus 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 Alloyed - Determination of Manganese Content -
Flame Atomic Absorption Spectrometric Method
GB/T 223.66 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Thiocy...
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Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.