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ASTM A 694/A 694M Document Information:
Title
Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service
ASTM International
Publication Date:
Oct 1, 2003
Scope:
This specification covers forged or rolled steel pipe flanges, forged
fittings, valves, and parts
suitable for use with high-strength transmission-service pipe.
Included are flanges, fittings, and
similar parts ordered either to dimensions specified by the purchaser
or to ASME or MSS dimensional
standards referenced in Section 2.
Several grades of material, based on minimum yield strength
requirements, are covered, as indicated
in Table 1.
Supplementary Requirements are provided. Supplementary Requirement S 1
is provided for use when
purchaser approval is required for repair welding.
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.
Footnote * - A Summary of Changes section appears at the end of this Standard.
Keywords:
- high strength low alloy steel
- pipe fittings, steel
- piping applications
- pressure containing parts
- steel flanges
- steel forgings, alloy
- steel forgings, carbon
- steel valves
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