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GB/T 8162-2008 English PDF (GBT8162-2008)

GB/T 8162-2008 English PDF (GBT8162-2008)

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GB/T 8162-2008: Seamless steel tubes for structural purposes

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.
GB/T 8162-2008
GB
NATIONAL STANDARD OF THE
PEOPLE 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 and 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 and 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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