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Document ASTM A 403/A 403M REV A is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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ASTM A 403/A 403M REV A Document Information:
Title
Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
ASTM International
Publication Date:
Nov 1, 2007
Scope:
This specification covers wrought stainless steel fittings for
pressure piping applications.2
Several grades of austenitic stainless steel alloys are included
in this specification Grades are designated with a prefix, WP or
CR, based on the applicable ASME or MSS dimensional and rating
standards, respectively.
For each of the WP stainless grades, several classes of fittings
are covered, to indicate whether seamless or welded construction
was utilized. Class designations are also utilized to indicate the
nondestructive test method and extent of nondestructive examination
(NDE). Table 1 is a general summary of the fitting classes
applicable to all WP grades of stainless steel covered by this
specification. There are no classes for the CR grades. Specific
requirements are covered elsewhere.
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.
This specification does not apply to cast steel fittings.
Austenitic stainless steel castings are covered in Specifications A
351/A 351M, A 743/A 743M, and A 744/A 744M.
*A Summary of Changes section appears at the end of this
standard.
2 For ASME Boiler and Pressure Vessel Code
applications see related Specification SA-403 in Section II of that
Code.
Keywords:
- austenitic stainless steel
- corrosive service applications
- pipe fittings
- steel
- piping applications
- pressure containing parts
- stainless steel fittings
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