Standard Specification for
Alloy-Steel Turbine-Type Bolting Material Specially Heat
Treated for High-Temperature Service1
This wellknown is issued beneath the fixed designation a 437/a 437m; the variety immediately following the designation suggests the 12 months
of unique adoption or, inside the case of revision, the 12 months of last revision. a range of in parentheses shows the yr of ultimate reapproval.
a superscript epsilon (e) indicates an article trade because the last revision or reapproval
click below to download Astm A 437M – 01 pdf free
click here to download Astm A 436 – 84 (Reapproved 2001) pdf free