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ASTM A 727/A 727M Document Information:
Title
Standard Specification for Carbon Steel Forgings for Piping Components with Inherent Notch Toughness
ASTM International
Publication Date:
Sep 10, 2002
Scope:
This specification2 covers forged carbon steel piping
components intended primarily for service in pressure piping
systems from -20 to +650 °F [-30 to +345 °C] where inherent notch
toughness is desired, but where notch toughness testing is not
required. Included are forged or ring-rolled flanges, forged
fittings, and valves made to specified dimensions, or to
dimensional standards such as the ASME and API specifications
referenced in Section 2.
This specification is limited to forgings with maximum finished
section thicknesses no larger than 2 in. [51 mm].
It shall be the responsibility of the purchaser to determine
whether material meeting the requirements of this specification is
satisfactory for the service application.
Supplementary requirements are provided for use when additional
testing or inspection is desired. These shall apply only when
specified by the purchaser in the order.
NOTE 1—There are no provisions for impact testing in this
specification. When impact testing is required, refer to
Specification A 350/A 350M.
This specification is expressed in both inch-pound units and in
SI units. However, unless the order specifies the applicable "M"
specification designation (SI units), the material shall be
furnished to inch-pound units.
The values stated in either inch-pound units or SI units are to
be regarded separately as standard. Within the text, the SI units
are shown in brackets. The values stated in each system are not
exact equivalents; therefore, each system must be used
independently of the other. Combining values from the two systems
may result in nonconformance with the specification.
2 For ASME Boiler and Pressure Vessel Code
applications see related Specification SA-727 in Section II of that
Code.
Keywords:
- carbon equivalent
- pipe fittings
- steel
- piping applications
- pressure containing parts
- steel flanges
- steel forgings
- carbon
- steel valves
- temperature service applications
- low
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