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AWS D10.7 : 86(R1992)

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

GAS SHIELDED ARC WELDING OF ALUMINUM AND ALUMINUM ALLOY PIPE, RECOMMENDED PRACTICES FOR,
Superseded date

23-07-2013

Published date

12-01-2013

Personnel
Foreword
1 History of aluminum pipe welding
2 Aluminum pipe alloys and their characteristics
3 Welding characteristics of aluminum
3.1 Aluminum oxide
3.2 No color change
3.3 High heat conductivity
3.4 High coefficient of expansion
3.5 Weldability of aluminum alloys
4 Welding processes and equipment
4.1 Alternative current gas tungsten arc welding
      (GTAW)
4.2 Direct current electrode negative (DCEN)
4.3 Gas metal arc welding (GMAW)
4.4 Automatic welding
5 Welding materials
5.1 Gas nozzles - GTAW
5.2 Tungsten electrodes
5.3 Filler metals
5.4 Inert gas
6 Welding preparation
7 Welding conditions
7.1 Machine settings and other variables
7.2 Edge preparation
8 Weld backing
8.1 Permanent backings
8.2 Removable backings
9 Welding technique
9.1 Gas tungsten arc welding (manual welding)
9.2 Gas metal arc welding
10 Heat treatment
10.1 Preheating
10.2 Postweld heat treatment
11 Code requirements - welding qualifications and
      design
12 Safe practices
Appendices
A Nominal composition of wrought alloys
B Pipe diameters, wall thickness and weights
C Safety and health
D Document list
Tables
1 Guide to choice of filler metal for welding
      aluminum pipe
2 Gas tungsten arc welding - alternating current in
      the horizontal rolled position (with backing)
3 Gas tungsten arc welding - alternating current in
      the horizontal fixed position (with backing)
4 Gas tungsten arc welding - alternating current in
      the vertical position (with backing)
5 Gas tungsten arc welding - alternating current in
      the horizontal rolled position (without backing)
6 Gas tungsten arc welding - alternating current in
      the horizontal fixed position (without backing)
7 Gas tungsten arc welding - alternating current in
      the vertical position (without backing)
8 Gas tungsten arc welding - direct current, DCEN,
      horizontal roller position
9 Gas tungsten arc welding - direct current, DCEN,
      horizontal fixed position
10 Gas tungsten arc welding - direct current, DCEN,
      vertical position
11 Gas metal arc welding - in the horizontal rolled
      position
Figures
1 Standard V-groove bevels
2 Pipe end preparation for U-groove
3 Finished weld in U-groove
4 Possible backing arrangement for use with V-groove
      welds
5 Gas tungsten arc welding torch directions,
      horizontal fixed position

Facilitates selection and specification of welding procedures for aluminum and aluminum alloy pipe to minimize or avoid difficulties in the welding of such.

DocumentType
Standard
PublisherName
American Welding Society
Status
Superseded
SupersededBy

AWS WHC1.04 : 0 WELDING SCIENCE AND TECHNOLOGY, WELDING HANDBOOK, 9TH ED., VOL 1 - CHAPTER 4: WELDING METALLURGY
AWS PRGWM : 1999 PRACTICAL REFERENCE GUIDE TO WELDING METALLURGY: KEY CONCEPTS FOR WELDABILITY
AWS D3.7 : 2004 GUIDE FOR ALUMINUM HULL WELDING
NASA SPEC 5004A : 2003 WELDING OF AEROSPACE GROUND SUPPORT EQUIPMENT AND RELATED NONCONVENTIONAL FACILITIES
SAE J 2588 : 2004 REMOTE STEERING CONTROL SYSTEMS
AWS EG4.0 : 1996 GUIDE FOR THE TRAINING AND QUALIFICATION OF WELDING PERSONNEL: LEVEL 3, EXPERT WELDER

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