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ASTM A 105/A 105M Document Information:
Title
Standard Specification for Carbon Steel Forgings for Piping Applications
ASTM International
Publication Date:
Jul 1, 2009
Scope:
This specification2 covers forged carbon steel piping
components for ambient- and higher-temperature service in pressure
systems. Included are flanges, fittings, valves, and similar parts
ordered either to dimensions specified by the purchaser or to
dimensional standards such as the MSS, ASME, and API specifications
referenced in Section 2. Forgings made to this specification are
limited to a maximum weight of 10 000 lb [4540 kg]. Larger forgings
may be ordered to Specification A 266/A 266M. Tubesheets and hollow
cylindrical forgings for pressure vessel shells are not included
within the scope of this specification. Although this specification
covers some piping components machined from rolled bar and seamless
tubular products (see 4.2), it does not cover raw material produced
in these product forms.
Supplementary requirements are provided for use when additional
testing or inspection is desired. These shall apply only when
specified individually by the purchaser in the order.
Specification A 266/A 266M covers other steel forgings and
Specifications A 675/A 675M and A 696 cover other steel bars.
This specification is expressed in both inch-pound units and 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 SI units or inch-pound units are to
be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall
be used independently of the other. Combining values from the two
systems may result in non-conformance with the standard.
The values stated in either SI units or inch-pound units are to
be regarded separately as standard. Within the text, the SI units
are shown in brackets. The values stated in each system may not be
exact equivalents; therefore, each system shall be used
independently of the other. Combining values from the two systems
may result in non-conformance with the standard.
NOTE 1—The dimensionless designator NPS (nominal pipe size) has
been substituted in this standard for such traditional terms as
"nominal diameter," "size," and "nominal size."
2 For ASME Boiler and Pressure Vessel Code
applications see related Specification SA-105 in Section II of that
Code.
*A Summary of Changes section appears at the end of this
standard.
Keywords:
- pipe fittings, steel
- piping applications
- pressure containing parts
- steel flanges
- steel forgings, carbon
- steel valves
- temperature service applications, elevated
- temperature service applications, high
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