Norm

ASTM A403/A403M - 13 en

Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings

  • Deze norm is ingetrokken sinds 01-10-2013

50,60 61,23 Incl BTW

Over deze norm

Status Ingetrokken
Aantal pagina's 9
Gepubliceerd op 01-05-2013
Taal Engels

1.1 This specification covers wrought stainless steel fittings for pressure piping applications.2

1.2 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.

1.3 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.

TABLE 1 Fitting Classes for WP Grades

 Class

  Construction

 Nondestructive Examination

 S

  Seamless

 None

 W

  Welded

 Radiography or Ultrasonic

 WX

  Welded

 Radiography

 WU

  Welded

 Ultrasonic


1.4 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.

1.5 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.

1.6 This specification does not apply to cast steel fittings. Austenitic stainless steel castings are covered in Specifications A351/A351M, A743/A743M, and A744/A744M.

Details

ICS-code 23.040.40
Engelse titel Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
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