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CSA Z245.11

8th Edition, January 1, 2017

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Steel fittings

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Product Details:

  • Revision: 8th Edition, January 1, 2017
  • Published Date: January 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: CSA Group (CSA)
  • Page Count: 81
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


This Standard covers wrought steel buttwelding fittings, including extruded headers and factory-made induction or cold bends, primarily intended for use in oil or gas pipeline systems.

Size, grade, and category


This Standard covers fittings in sizes from NPS 1/2 to NPS 60. (See Table A.1.)


For other than sour service, this Standard covers fittings from Grade 207 to Grade 690. For sour service, this Standard covers fittings from Grade 207 to Grade 483.

Note: The standard grades are Grades 207, 241, 290, 317, 359, 386, 414, 448, 483, 550, 620, and 690 (see Table 1); however, intermediate grades may also be used.


This Standard covers fittings in the following categories:

a) Category I: fittings without requirements for proven notch-toughness properties; and

b) Category II: fittings with requirements for proven notch-toughness properties.


This Standard does not cover assemblies.

Note: An assembly means a grouping of fittings or flanges, or both, joined by one or more circumferential welds.


In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.