Gas cylinders. Refillable welded stainless steel cylinders - Test pressure greater than 6 MPa1 Scope This part of ISO 18172 specifies minimum requirements concerning material, design, construction and workmanship, manufacturing processes and testing of refillable transportable welded stainless steel gas cylinders, of water capacities from 0,5 l up to and including 150 l, for compressed and liquefied gases. This part of ISO 18172 is applicable only to cylinders manufactured from stainless steels with a maximum tensile strength of less than 1

including hot gas extrusion welding

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Security risk assessment and planning

This document covers

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Melt quality assessors

Scope of the standard was changed from “Maintenance and operational inspections” to “Instructions for maintenance and operational inspections”

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Protective aprons test personnel/test laboratories

Machine designers

Design methodology

with or without the incorporation of Portland cement