AS 3577-1999

1 - AS 3577-1999 STEEL CYLINDERS FOR COMPRESSED GASES-WELDED-150 kg TO 500 kg
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 3.1 Attachment
6 - 3.2 Competent person or body
6 - 3.3 Inspection Body
6 - 3.4 Inspector
6 - 3.5 Integrated cylinder test station (IGCTS)
6 - 4 STEEL
6 - 4.1 Cylindrical sections and ends
6 - 4.1.1 Steelmaking process
6 - 4.1.2 Cast analysis
7 - 4.1.3 Residual elements
7 - 4.1.4 Weldability
7 - 4.1.5 Mechanical properties
7 - 4.2 Attachments
7 - 5 DESIGN AND CONSTRUCTION
7 - 5.1 Minimum thickness
7 - 5.1.1 Cylindrical portions of shell (not including any part of the ends)
8 - 5.1.2 Ends
8 - 5.2 Form of ends
8 - 5.3 Footring
9 - 5.4 Length to outside diameter ratio
9 - 5.5 Valve protection
9 - 5.6 Pressure-retaining joints
9 - 5.6.1 General
9 - 5.6.2 Longitudinal joint
10 - 5.6.3 Circumferential joints
10 - 5.6.4 Non-pressure-retaining joints
11 - 5.7 Openings in cylinders
11 - 5.7.1 Location
11 - 5.7.2 Size, proportions, and construction
11 - 5.7.3 Cylinder neck thread
11 - 5.7.4 Provision for safety device(s)
11 - 6 WELDING
11 - 6.1 Supervision of welding
11 - 6.2 Competence of welder
12 - 6.3 Repair of welds
13 - 6.4 Welding to attachments
13 - 7 INSPECTION AND TESTING
13 - 7.1 Radiographic examination
13 - 7.1.1 General
13 - 7.1.2 Frequency and extent
13 - 7.1.3 Methods and sensitivity
14 - 7.1.4 Acceptance standards
14 - 7.1.5 Treatment of imperfections disclosed by radiographic examination
15 - 7.1.6 Radiography of repairs
15 - 7.2 Visual inspection
15 - 7.2.1 Welded cylindrical section and unassembled ends
15 - 7.2.2 Finished gas cylinders
16 - 8 HEAT TREATMENT
16 - 9 MECHANICAL TESTS
16 - 9.1 General
16 - 9.2 Test specimens
16 - 9.3 Tensile tests of parent metal
16 - 9.4 Transverse tensile test of longitudinal joint
17 - 9.5 Bend test(s) of longitudinal joint
17 - 9.6 Tensile test of circumferential joint
17 - 9.7 Bend test(s) of circumferential joint(s)
17 - 9.8 Retests of mechanical properties
18 - 10 PRESSURE TESTS
18 - 10.1 General
18 - 10.2 Proof test
18 - 10.3 Leakage test
18 - 11 TYPE TESTS
18 - 11.1 General
19 - 11.2 Stretch test
19 - 11.3 Hoop stress test
19 - 11.4 Pulsation test
20 - 12 SURFACE COATINGS
20 - 13 RECORD AND TEST CERTIFICATE(S)
21 - 14 STAMPING
22 - 15 PREPARATION FOR DESPATCH
23 - APPENDIX A - SUGGESTED MINIMUM INFORMATION TO BE SUPPLIED BY THE PURCHASER
24 - APPENDIX B - LIST OF REFERENCED DOCUMENTS
26 - APPENDIX C - RESISTANCE SPOT WELDING FOR NON-PRESSURE-RETAINING ATTACHMENTS
26 - C1 GENERAL
26 - C2 VERIFICATION
26 - C3 PRODUCTION
27 - APPENDIX D - LOCATIONS OF TEST SPECIMENS
28 - APPENDIX E - SUGGESTED FORM OF MANUFACTURER'S RECORD AND TEST CERTIFICATE

Specifies requirements for welded steel cylinders with one longitudinal joint, and not more than two circumferential joints, and a water capacity of not less than 150 kg to 500 kg which have test pressures from 1750 kPa to 7000 kPa. This Standard specifies cylinders that are suitable for the storage and transport of compressed gases in accordance with AS 2030.1. This edition introduces the concept of the integrated gas cylinder test station (IGCTS) for cylinder manufacturers in Australia, together with responsibility for pneumatic testing solely with the manufacturers of cylinders as the regulatory authorities have withdrawn from this area.

This Standard specifies requirements for welded steel cylinders with one longitudinal joint, and not more than two circumferential joints of water capacity not less than 150 kg nor more than 500 kg, which have test pressures from 1750 kPa to 7000 kPa, and are intended for the storage and transport of compressed gases in accordance with AS 2030.1.NOTES:1. A gas cylinder manufactured by welding but which includes any brazing of or on the pressure-retaining portions is for the purpose of this Standard considered to be a brazed gas cylinder.2. Other Australian Standards for brazed and welded gas cylinders are AS 2468, AS 2469, and AS 2470.3. Appendix A lists the suggested minimum information that should be supplied by the purchaser when ordering gas cylinders to this Standard.

First published as AS B15-1950.
Revised and redesignated AS B115-1958.
Second edition 1966.
Revised and redesignated in part AS 3577-1989.
Second edition 1999.