Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 4: Stainless steel cylinders with an Rm value of less than 1 100 MPa
STANDARD published on 1.6.2023
Designation standards: ČSN EN ISO 9809-4
Classification mark: 078521
Catalog number: 516866
Publication date standards: 1.6.2023
The number of pages: 68
Approximate weight : 204 g (0.45 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies the minimum requirements for the materials, design, construction and workmanship, manufacturing processes, examinations and testing at time of manufacture for refillable, seamless, stainless steel gas cylinders with water capacities up to and including 150 l.It is applicable to cylinders for compressed, liquefied and dissolved gases with a maximum actual tensile strength, Rma, of less than 1 100 MPa.
NOTE - If so desired, cylinders of water capacity between 150 l and 450 l can be manufactured to be in full conformance to this document