بهره وری بسیار موثر astm a269 سفارشی سازی نمونه
Designation: A269/A269M − 15aStandard Specif i cation forSeamless and Welded Austenitic Stainless Steel Tubing forGeneral Service 1This standard is issued under the f i xed designation A269/A269M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision.