Standard
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AS/NZS 3509:2009
[Current]LP Gas fuel vessels for automotive use
Specifies requirements for welded carbon steel LP Gas fuel vessels of total internal volume not greater than 500 L, and for welded stainless steel LP Gas fuel vessels of total internal volume not greater than 200 L, intended for automotive and marine installations.
Published: 28/01/2009
Pages: 29
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Application
1.4 Referenced documents
1.5 Definitions
1.6 Designation
1.7 New designs, materials and manufacturing methods
2 General requirements
2.1 Design and construction
2.1.1 Thickness of cylindrical section
2.1.2 Thickness of ends
2.1.3 Form and limitations of ends
2.1.3.1 General
2.1.3.2 Ellipsoidal
2.1.3.3 Torispherical
2.1.4 Pressure-retaining joints
2.1.4.1 General
2.1.4.2 Main longitudinal joint
2.1.4.3 Circumferential joints
2.1.5 Openings
2.1.6 Attachments
2.1.6.1 General
2.1.6.2 Valve-protecting attachments
2.1.6.3 Mounting attachments
2.1.6.4 Welding to attachments
2.1.6.5 Internal attachments
2.1.6.6 Name plates and doubling pads
2.2 Material
2.2.1 General
2.2.2 Certificates
2.3 Welding
2.3.1 Supervision of welding
2.3.2 Competence of welder
2.3.3 Welding procedures
2.3.4 Repair of welds
2.4 Inspection and testing
2.4.1 Radiographic examination
2.4.1.1 Personnel and operator requirements
2.4.1.2 Frequency and extent
2.4.1.3 Methods and sensitivity
2.4.1.4 Acceptance standards
2.4.1.5 Treatment of imperfections disclosed by radiographic examination
2.4.1.6 Radiography of repairs
2.4.2 Visual inspection
2.4.2.1 Welded cylindrical section, and unassembled ends
2.4.2.2 Finished fuel vessels
2.4.3 Mechanical tests
2.4.3.1 General
2.4.3.2 Test specimens
2.4.3.3 Tensile tests of parent metal
2.4.3.4 Transverse tensile test of main longitudinal joint
2.4.3.5 Tensile test of a circumferential joint
2.4.3.6 Bend test(s) of longitudinal joints
2.4.3.7 Bend test of circumferential joint
2.4.3.8 Retests of mechanical properties
2.4.4 Pressure tests
2.4.4.1 General
2.4.4.2 Proof test
2.4.4.3 Leakage test
2.4.5 Overall quality control
2.5 Marking
2.6 Record and test certificates
2.7 Dispatch
3 Welded carbon steel LP Gas fuel vessels
3.1 Cylindrical sections and ends
3.1.1 Steelmaking process
3.1.2 Acceptable steel grades
3.1.3 Weldability
3.1.4 Mechanical testing
3.2 Attachments
3.3 Heat treatment
3.4 Surface coating and colour
4 Welded stainless steel LP Gas fuel vessels
4.1 Cylindrical section and ends
4.1.1 Cast analysis
4.1.2 Test certificate(s)
4.1.3 Mechanical testing
4.2 Attachments
4.3 Intergranular corrosion test
5 Type tests
5.1 General
5.2 Witnessing of type tests
5.3 Testing schedule
5.4 Hydrostatic stretch test
5.5 Hoop stress test
5.6 Pulsation test
5.7 Non-circular inserted pad test
Appendix A
A1 General
A2 Tests
A3 Fittings
Appendix B
Cited references in this standard
[Superseded]
Methods for destructive testing of welds in metal, Method 3.1: Transverse guided bend test
[Current]
Radiography of metals — Image quality indicators (IQI) and recommendations for their use
[Current]
Gas cylinder test stations, Part 1: General requirements, inspection and tests — Gas cylinders
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