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GB/T 6892-2006 English PDF (GBT6892-2006)

GB/T 6892-2006 English PDF (GBT6892-2006)

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GB/T 6892-2006: Wrought aluminium and aluminium alloys extruded profiles for general engineering

This Standard specifies the requirements, test methods, test rules and marking, packing, transportation and storage as well as contract contents of the wrought aluminium and aluminium alloy extruded profiles for general engineering. This Standard is applicable to the wrought aluminium and aluminium alloy extruded profiles for general engineering.
GB/T 6892-2006
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.150.10
H 61
GB/T 6892-2006 (with Modification Sheet No.1 [2007])
Replacing GB/T 6892-2000, GB/T 19347-2003, GB/T 19347.2-2005
Wrought Aluminium and Aluminium Alloys
Extruded Profiles for General Engineering
ISSUED ON. SEPTEMBER 26, 2006
IMPLEMENTED ON. FEBRUARY 1, 2007
Jointly issued by. General Administration of Quality Supervision,
Inspection and Quarantine (AQSIQ);
Standardization Administration (SAC) of the People's
Republic of China.
Table of Contents
Foreword ... 4
1 Scope ... 6
2 Normative References ... 6
3 Requirements ... 7
3.1 Product Classification ... 7
3.2 Chemical Compositions ... 8
3.3 Permissible Dimension Variation ... 8
3.4 Mechanical Property ... 10
3.5 Conductivity ... 14
3.6 Ultrasonic Test Result ... 14
3.7 Stress Corrosion Resistance ... 14
3.8 Exfoliation Corrosion Property ... 15
3.9 Anti-fatigue Corrosion Property ... 15
3.10 Macrostructure ... 15
3.11 Microstructure ... 16
3.12 Appearance quality ... 16
3.13 Anodic oxide coating and organic polymer coatings on aluminium and its alloys ... 16
4 Test Methods ... 16
4.1 Chemical Composition Analysis Method ... 16
4.2 Dimension Test Method ... 16
4.3 Mechanical Property Test Method ... 17
4.4 Conductivity Testing ... 17
4.5 Ultrasonic Test Method ... 17
4.6 Stress Corrosion Test Method ... 17
4.7 Exfoliation Corrosion Test Method ... 17
4.8 Anti-fatigue Corrosion Test Method ... 17
4.9 Inspection Method of Macrostructure ... 18
4.10 Inspection Method of Microstructure ... 18
4.11 Inspection of Appearance Quality ... 18
4.12 Test methods for anodic oxide coating and organic polymer coatings on aluminium and its alloys ... 18
5 Heat Treatment System ... 18
6 Test Rules ... 18
6.1 Test and Acceptance... 18
6.2 Group ... 18
6.3 Test Item ... 19
6.4 Sampling ... 20
6.5 Judgment of Test Result ... 21
7 Marking, Packing, Transportation and Storage ... 22
7.1 Marking ... 23
7.2 Packing, Transportation and Storage ... 23
7.3 Quality Certificate ... 23
8 Contract Contents ... 23
Annex A (Normative) Test Method for Stress Corrosion of the Ring Samples of Wrought Aluminium Alloy Products ... 25
A.1 Scope ... 25
A.2 Method Principle ... 25
A.3 Reagents ... 25
A.4 Test Solution ... 25
A.5 Test Equipment ... 25
A.6 Sample Preparation ... 25
A.7 Test Procedures ... 27
A.8 Test Result and Assessment ... 30
A.9 Test Report ... 30
Annex B (Normative) Test Method for Exfoliation Corrosion of Wrought Aluminium Alloy Products ... 31
B.1 Scope ... 31
B.2 Method Principle ... 31
B.3 Reagents ... 31
B.4 Test Solutions ... 31
B.5 Test Equipment ... 32
B.6 Samples ... 32
B.7 Test Procedures ... 33
B.8 Test Result and Assessment ... 33
B.9 Test Report ... 34
Annex C (Normative) Test Method for Fatigue Corrosion of Aluminium Alloys ... 35 C.1 Scope ... 35
C.2 Method Principle ... 35
C.3 Reagents ... 35
C.4 Test Solution ... 35
C.5 Test Equipment ... 35
C.6 Samples ... 36
C.7 Test Procedures ...

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