Standard Speciﬁcation for Sintered Bronze Bearings (Oil-Impregnated)1
This standard is issued below the ﬁxed designation b 438/b 438m; the quantity straight away following the designation indicates the yr of authentic adoption or, inside the case of revision, the 12 months of ultimate revision. A number in parentheses indicates the yr of closing reapproval. A superscript epsilon (e) indicates an article trade since the closing revision or reapproval.
This popular has been accepted for use through businesses of the branch of protection.
Click below to get ASTM B 438 B 438M – 04 International standard
You can also get ASTM B 435 – 03 International standard