ISO 9809-4:2014现行
Gas cylinders - Refillable seamless steel gas cylinders - Design, construction and testing Part 4: Stainless steel cylinders with an Rm value of less than 1 100 MPa
出版：International Organization for Standardization
专家解读视频
Defines the minimum requirements for the material, design, construction and workmanship, manufacturing processes, examinations, and tests at manufacture of refillable seamless stainless steel gas cylinders of water capacities from 0,5 l up to and including 150 l for compressed, liquefied, and dissolved gases.
KS B ISO 9809-4:2016 - Identical
SS-ISO 9809-4:2015 - Identical
BS ISO 9809-4 : 2014 - Identical
UNI ISO 9809-4 : 2017 - Identical
BS ISO 9809-4 : 2014 - Identical
UNI ISO 9809-4 : 2017 - Identical
SS-ISO 9809-4:2015 - Identical
