Standard
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AS 3577-2006
[Current]Steel cylinders for compressed gases — Welded — 150 kg to 500 kg
Specifies the requirements for welded carbon and stainless steel cylinders with one longitudinal joint, and two circumferential joints, of water capacity not less than 150 kg nor more than 500 kg.
Published: 06/11/2006
Pages: 26
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
4 Steel
4.1 Steelmaking process
4.2 Carbon steel
4.2.1 Cylindrical section and ends
4.2.1.1 Cast analysis
4.2.1.2 Residual elements
4.2.1.3 Weldability
4.2.1.4 Mechanical properties
4.2.2 Attachments
4.3 Stainless steel
4.3.1 Cylindrical section and ends
4.3.1.1 Cast analysis
4.3.1.2 Test certificates
4.3.1.3 Mechanical properties
4.3.1.4 Intergranular corrosion tests
4.3.2 Attachments
5 Design and construction
5.1 Minimum thickness
5.1.1 Cylindrical portions of shell (not including any part of the ends)
5.1.2 Ends
5.2 Form of ends
5.3 Footring
5.4 Length to outside diameter ratio
5.5 Valve protection
5.6 Pressure-retaining joints
5.6.1 General
5.6.2 Longitudinal joint
5.6.3 Circumferential joints
5.6.4 Non-pressure-retaining joints
5.7 Openings in cylinders
5.7.1 Location
5.7.2 Size, proportions, and construction
5.7.3 Cylinder neck thread
5.7.4 Provision for safety device(s)
6 Welding
6.1 Supervision of welding
6.2 Competence of welder
6.3 Repair of welds
6.4 Welding to attachments
7 Inspection and testing
7.1 Radiographic examination
7.1.1 General
7.1.2 Frequency and extent
7.1.3 Methods and sensitivity
7.1.4 Acceptance standards
7.1.5 Treatment of imperfections disclosed by radiographic examination
7.1.6 Radiography of repairs
7.2 Visual inspection
7.2.1 Welded cylindrical section and unassembled ends
7.2.2 Finished gas cylinders
8 Heat treatment
9 Mechanical tests
9.1 General
9.2 Test specimens
9.2.1 General
9.2.2 Test frequency
9.3 Tensile tests of parent metal
9.4 Transverse tensile test of longitudinal joint
9.5 Bend test(s) of longitudinal joint
9.6 Tensile test of circumferential joint
9.7 Bend test(s) of circumferential joint(s)
9.8 Retests of mechanical properties
10 Pressure tests
10.1 General
10.2 Proof test
10.3 Leakage test
11 Type tests
11.1 General
11.2 Stretch test
11.3 Hoop stress test
11.4 Pulsation test
12 Surface coatings
13 Record and test certificate(s)
14 Stamping
15 Preparation for despatch
Appendix A
Appendix B
Appendix C
C1 General
C2 Verification
C3 Production
Appendix D
Appendix E
Cited references in this standard
[Withdrawn]
Methods for detecting the susceptibility of austenitic stainless steels to intergranular corrosion
[Current]
Metal finishing — Preparation and pretreatment of surfaces, Part 4: Abrasive blast cleaning of steel
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