BS ISO 21172-1:2015

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Inspection and testing
5 Materials
6 Design
7 Lifting attachments and rolling bands
8 Manufacturing process - Welding procedures
9 Fabrication
10 Welded joints
11 Surface finish of material
12 Assembly
13 Weld defect repairs
14 Construction and workmanship
15 Testing and examination
16 Type approval procedure
17 Marking
18 Certification
19 Certificate
Annex A (informative) - Description and evaluation of
        manufacturing of a welded steel pressure drums
        at the time of visual inspection
Annex B (informative) - Example of calculation note for
        determination of thickness for shell and dished
        end for pressure drums according to 6.4
Annex C (informative) - Example of Approval certificate
Annex D (informative) - Hot pressure welded heads
Annex E (normative) - Manufacturing defects in welded
        steel pressure drums and rejection criteria
Bibliography

Defines the minimum requirements for the material, design, fabrication, construction and workmanship, inspection, and testing at manufacture of refillable welded steel gas pressure drums, hereafter referred to as drums, of volumes 150 l to 1000 l and up to 300 bar test pressure for compressed and liquefied gases.

This part of ISO21172 specifies the minimum requirements for the material, design, fabrication, construction and workmanship, inspection, and testing at manufacture of refillable welded steel gas pressure drums, hereafter referred to as drums, of volumes 150l to 1000l and up to 300bar test pressure for compressed and liquefied gases. Only cylindrical and spherical containers are covered.