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ASTM A815/A815M-14e1

Historical Revision

Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings

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1.1 This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless steel fittings of seamless and welded construction covered by the latest revision of Specification A960/A960M. Fittings differing from these standards may be furnished in accordance with Supplementary Requirement S58 of Specification A960/A960M.

1.1.1 Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. They are manufactured to the requirements of Specification A960/A960M, and they shall have pressure ratings compatible with 13.2. Class WP-S fittings are those manufactured from seamless product by a seamless method of manufacture (marked with class symbol WP-S); Class WP-W fittings are those which contain welds where the fitting fabrication or construction welds have been radiographed (marked with class symbol WP-W); and Class WP-WX fittings are those which contain welds where all welds have been radiographed (marked with class symbol WP-WX); and Class WP-WU fittings are those which contain welds where all welds have been ultrasonically tested (marked with class symbol WP-WU).

1.1.2 Class CR fittings are those manufactured to the requirements of MSS SP-43, and they shall have pressure ratings compatible with 13.3.

1.2 This specification does not apply to cast fittings.

1.3 Optional supplementary requirements are provided. When desired, one or more of these may be specified in the order.

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.


This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless steel fittings of seamless and welded construction. Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. The material for fittings shall consist of forgings, bars, plates, or seamless or welded tubular products. The steel shall be melted by electric furnace, vacuum furnace, or electric furnace followed by vacuum or electroslag-consumable remelting. Forging or shaping operations shall be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining or by combination of two or more of these operations. The materials shall undergo heat treatment and shall follow the required cooling process and tempering temperature. Chemical and product analyses shall be performed and shall conform to the required chemical composition in carbon, manganese, phosphorus, silicon, sulfur, nickel, chromium, molybdenum, copper, nitrogen, and titanium. The mechanical properties of the fitting material shall conform to the required values in yield strength, tensile strength, elongation, and hardness.


SDO ASTM: ASTM International
Document Number A815
Publication Date Oct. 1, 2014
Language en - English
Page Count 8
Revision Level 14e1
Supercedes
Committee A01.22
Publish Date Document Id Type View
July 1, 2024 A0815_A0815M-24A Revision
March 1, 2024 A0815_A0815M-24 Revision
May 1, 2023 A0815_A0815M-23 Revision
Nov. 1, 2022 A0815_A0815M-22 Revision
Nov. 1, 2021 A0815_A0815M-21 Revision
May 1, 2020 A0815_A0815M-20 Revision
June 1, 2018 A0815_A0815M-18 Revision
Sept. 1, 2017 A0815_A0815M-17 Revision
Oct. 1, 2014 A0815_A0815M-14E01 Revision
Oct. 1, 2014 A0815_A0815M-14 Revision
Nov. 1, 2013 A0815_A0815M-13A Revision
Oct. 1, 2013 A0815_A0815M-13 Revision
Nov. 1, 2010 A0815_A0815M-10A Revision
May 1, 2010 A0815_A0815M-10 Revision
Nov. 15, 2009 A0815_A0815M-09B Revision
Aug. 1, 2009 A0815_A0815M-09A Revision
June 1, 2009 A0815_A0815M-09 Revision
Oct. 1, 2008 A0815_A0815M-08B Revision
May 1, 2008 A0815_A0815M-08A Revision
March 1, 2008 A0815_A0815M-08 Revision
Nov. 1, 2007 A0815_A0815M-07B Revision
Sept. 1, 2007 A0815_A0815M-07A Revision
April 1, 2007 A0815_A0815M-07 Revision
May 1, 2004 A0815_A0815M-04 Revision
Sept. 10, 2001 A0815_A0815M-01A Revision
Sept. 10, 2001 A0815_A0815M-01 Revision
Sept. 10, 2001 A0815_A0815M-00A Revision
Sept. 10, 2001 A0815_A0815M-00 Revision