BS EN ISO 9809-4:2022 2023
$198.66
Gas cylinders. Design, construction and testing of refillable seamless steel gas cylinders and tubes – Stainless steel cylinders with an Rm value of less than 1 100 MPa
Published By | Publication Date | Number of Pages |
BSI | 2023 | 64 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
4 | European foreword Endorsement notice |
7 | Foreword |
8 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions |
11 | 4 Symbols |
12 | 5 Inspection and testing 6 Materials 6.1 General requirements |
13 | 6.2 Controls on chemical composition 6.3 Heat treatment 6.4 Cold working or cryoforming |
14 | 6.5 Failure to meet test requirements 7 Design 7.1 General requirements 7.2 Design of cylindrical shell thickness |
15 | 7.3 Design of convex ends (heads and bases) |
16 | 7.4 Design of the concave base ends |
17 | 7.5 Neck design 7.6 Foot rings 7.7 Neck rings |
18 | 7.8 Design drawing 8 Construction and workmanship 8.1 General 8.2 Wall thickness 8.3 Surface imperfections 8.4 Ultrasonic examination |
19 | 8.5 Out-of-roundness 8.6 Mean diameter 8.7 Straightness 8.8 Verticality and stability |
20 | 8.9 Neck threads 9 Type approval procedure 9.1 General requirements |
21 | 9.2 Prototype test 9.2.1 General requirements |
22 | 9.2.2 Pressure cycling test 9.2.3 Base check |
23 | 9.2.4 Torque test for taper thread only 9.2.5 Shear stress calculation for parallel threads 9.3 Type approval certificate |
24 | 9.4 Specific type approval/production tests for cylinders ordered in small quantities 10 Batch tests 10.1 General requirements |
26 | 10.2 Tensile test |
27 | 10.3 Bend test and flattening test 10.3.1 Bend test |
28 | 10.3.2 Flattening test 10.3.3 Ring flattening test 10.4 Impact test |
30 | 10.5 Hydraulic burst test 10.5.1 Test installation |
31 | 10.5.2 Test conditions |
32 | 10.5.3 Interpretation of test results |
33 | 10.6 Intergranular corrosion test 11 Tests/examinations on every cylinder 11.1 General |
34 | 11.2 Hydraulic test 11.2.1 Proof pressure test 11.2.2 Volumetric expansion test 11.3 Hardness test 11.4 Leak test |
35 | 11.5 Capacity check 12 Certification 13 Marking |
36 | Annex A (normative) Description and evaluation of manufacturing imperfections and conditions for rejection of seamless steel gas cylinders at the time of final inspection by the manufacturer |
51 | Annex B (normative) Ultrasonic examination |
57 | Annex C (informative) Example of type approval certificate |
58 | Annex D (informative) Example of acceptance certificate |
60 | Annex E (informative) Example of shear strength calculation for parallel threads |
62 | Bibliography |