Designation: A105/A105M − 13 Endorsed byManufacturers Standardization Society of the Valve and Fittings Industry Used in USDOE-NE Standards Standard Specification for Carbon Steel Forgings for Piping Applications1 This standard is issued under the fixed designation A105/A105M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. 1. Scope* NOTE 1—The dimensionless designator NPS (nominal pipe size) has 2 been substituted in this standard for such traditional terms as “nominal 1.1 This specification covers forged carbon steel piping diameter,” “size,” and “nominal size.” components for ambient- and higher-temperature service in pressure systems. Included are flanges, fittings, valves, and 2. Referenced Documents similar parts ordered either to dimensions specified by the 2.1 In addition to those reference documents listed in purchaser or to dimensional standards such as the MSS, Specification A961/A961M, the following list of standards ASME, and API specifications referenced in Section 2. Forg- apply to this specification: ings made to this specification are limited to a maximum weight of 10 000 lb [4540 kg]. Larger forgings may be ordered 2.2 ASTM Standards:3 to Specification A266/A266M. Tubesheets and hollow cylin- A266/A266M Specification for Carbon Steel Forgings for drical forgings for pressure vessel shells are not included Pressure Vessel Components A675/A675M Specification for Steel Bars, Carbon, Hot- --`,`,``,,`,,`,`,,,`,,``,`,``,-`-`,,`,,`,`,,`--- within the scope of this specification. Although this specifica- tion covers some piping components machined from rolled bar Wrought, Special Quality, Mechanical Properties and seamless tubular products (see 5.2), it does not cover raw A696 Specification for Steel Bars, Carbon, Hot-Wrought or material produced in these product forms. Cold-Finished, Special Quality, for Pressure Piping Com- ponents 1.2 Supplementary requirements are provided for use when A788/A788M Specification for Steel Forgings, General Re- additional testing or inspection is desired. These shall apply quirements only when specified individually by the purchaser in the order. A961/A961M Specification for Common Requirements for 1.3 Specification A266/A266M covers other steel forgings Steel Flanges, Forged Fittings, Valves, and Parts for and Specifications A675/A675M and A696 cover other steel Piping Applications bars. 2.3 MSS Standards: 1.4 This specification is expressed in both inch-pound units SP 44 Standard for Steel Pipe Line Flanges4 and SI units. However, unless the order specifies the applicable 2.4 ASME Standards: “M” specification designation (SI units), the material shall be B16.5 Dimensional Standards for Steel Pipe Flanges and furnished to inch-pound units. The values stated in either SI Flanged Fittings5 units or inch-pound units are to be regarded separately as B16.9 Wrought Steel Buttwelding Fittings5 standard. Within the text, the SI units are shown in brackets. B16.10 Face-to-Face and End-to-End Dimensions of Fer- The values stated in each system may not be exact equivalents; rous Valves5 therefore, each system shall be used independently of the other. B16.11 Forged Steel Fittings, Socket Weld, and Threaded5 Combining values from the two systems may result in non- B16.34 Valves-Flanged, Threaded and Welding End5 conformance with the standard. 3 For referenced ASTM standards, visit the ASTM website, www.astm.org, or 1 This specification is under the jurisdiction of ASTM Committee A01 on Steel, contact ASTM Customer Service at
[email protected]. For Annual Book of ASTM Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee Standards volume information, refer to the standard’s Document Summary page on A01.22 on Steel Forgings and Wrought Fittings for Piping Applications and Bolting the ASTM website. 4 Materials for Piping and Special Purpose Applications. Available from Manufacturers Standardization Society of the Valve and Fittings Current edition approved Oct. 1, 2013. Published October 2013. Originally Industry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http://www.mss- approved in 1926. Last previous edition approved in 2012 as A105/A105M–12. hq.com. 5 DOI: 10.1520/A0105_A0105M-13. Available from American Society of Mechanical Engineers (ASME), ASME 2 For ASME Boiler and Pressure Vessel Code applications see related Specifi- International Headquarters, Three Park Ave., New York, NY 10016-5990, http:// cation SA-105 in Section II of that Code. www.asme.org. *A Summary of Changes section appears at the end of this standard Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States Copyright ASTM International Provided by IHS under license with ASTM 1Licensee=CH2M Hill Worldwide/5960458046, User=Corona, Jose No reproduction or networking permitted without license from IHS Not for Resale, 10/16/2013 16:38:04 MDT .035 max 1.. see ASME B16. chromium. 8.1. St.2 Heat treatment. including any represented forging.1 Quenching shall consist of either (1) fully austenitiz- 2. nickel.`.`.35 %).32 %.05 %) will be permitted up to a maximum of 1.6 API Standards: forgings are first fully austenitized and rapidly cooled. whose maximum thicknesses do not exceed the thickness of the ings of Class 300.2.1 shall be annealing. specified in Table 1.7 for hubbed flanges (see 8. If more than one heat is included in such a charge. dimension surfaces. In addition. where T is the maximum heat-treated thickness of the --`. Carbon 0.``.3.1.2 For normalized. When section thickness does not permit tion.01 % below the specified carbon Class 300.4 Piping components other than flanges which meet TABLE 1 Chemical Requirements both of the following criteria: (1) over NPS 4 and (2) above NOTE 1—For each reduction of 0.2. Failure to comply with the requirements of Specification from all other surfaces as-heat-treated.`.35 6.org. see ASME B16.1 The material shall conform to the mechanical property requirements prescribed in Table 2 and Table 3.3).B Molybdenum 0. A105/A105M − 13 B16. 3. 8.60–1. or normalizing and tempering or quenching and Nickel 0. The sum of chromium and molybdenum shall not exceed 0.040 max Silicon 0. The test specimen shall repre- 6.10–0. when required by 6. 8. DC 20005-4070. and maximum (0. shall prevail.1.40 maxA tempering in accordance with Specification A961/A961M.3. for quenched and tempered supplementary requirements that are indicated in the purchase forgings.`.08 max 6 Available from American Petroleum Institute (API). 1220 L. 10/16/2013 16:38:04 MDT . normalized and tempered.00 %.. the central axis of the test specimen 5. Heat Treatment 8.3 Tension Tests: 5.1.. refer to Specification A961/A961M.. Group Manganese 0.-`-`.``.2 Flanges of special design where the design pressure at sent all forgings from the same heat and heat-treating charge the design temperature exceeds the pressure-temperature rat. Jose No reproduction or networking permitted without license from IHS Not for Resale.1 Heat treatment is not a mandatory requirement of this same heat-treating charge. n—maximum heat treated thickness of the production forging.1 One tension test shall be made for each heat of A961/A961M. 6. Copper 0.47 Large Diameter Steel Flanges5 6.3 Flanges of special design where the design pressure or design temperature are not known.1 Definitions—For definitions of other terms used in this 7. Copyright ASTM International Provided by IHS under license with ASTM 2Licensee=CH2M Hill Worldwide/5960458046.`. except 6.1. each heat shall be tested.`. 7 B For definition of Class 300.5. Group 1. the test specimen shall be positioned as near as specification and Specification A961/A961M.2 Definitions of Terms Specific to This Standard: 7.. molybdenum and vanadium shall not Washington. Chromium 0.06 % manganese above the specified 6.1 When forgings of different shapes are included in the 6. exceed 1. 4. Terminology 7. User=Corona.3.2 Steels to which lead has been added shall not be used. or quenched and tempered forgings.2 One tension test shall be made from each heat-treating A788M.. 4.35 max ture exceeds the tabulated values for Special Class 300.34.. 6.1 See Specification A961/A961M. A The sum of copper.65 %. Ordering Information 8. defined in the Terminology Section of Specification A788/ 8. NW. All quenched forgings shall be tem- Refinery Use6 pered as prescribed in Specification A961/A961M.`.3. 3. then API-600 Flanged and Butt-Welding-End Steel Gate Valves6 reheated to partially reaustenitize. In case of a conflict between the requirements of this this positioning.2. charge. General Requirements shall be taken at least 1⁄4 T from the nearest surface as-heat- 5.30 maxA.5 Piping components of Special Class8 other than maximum (1.1 Additional requirements (see 13. Mechanical Properties 4.40 maxA normalizing.2).1 Product furnished to this specification shall conform to treated. this specification possible to the prescribed location. % 4 and (2) when the working pressure at the operating tempera. the test specimen shall be obtained specification except for the following piping components: from the heaviest cross-section of the thickest forging.B Vanadium 0. an increase of 0.05 Phosphorus 0.2 Except as permitted by Section 6 in Specification 8. test forging. exclusive of the T A961/A961M constitutes nonconformance with this specifica. Chemical Composition 3.12 maxA. the finished product shall be a forging as as-forged components.1 heaviest cross-section. flanges which meet both of the following criteria: (1) over NPS Element Composition.1 The steel shall conform to the chemical requirements specification.5 ASME Boiler and Pressure Vessel Code: ing the forgings followed by quenching in a suitable liquid Section IX Welding Qualifications5 medium or (2) using a multiple stage procedure whereby the 2.`.api.1 Flanges above Class 300.1.`--- the requirements of Specification A961/A961M. followed by quenching in a API-602 Compact Design Carbon Steel Gate Valves for suitable liquid medium.`. 6. 8 For definition of special class.. http://www.``. Sulfur 0. 3.1. the midlength of the test specimen shall be at least T order.1. be used except when hollow cylindrically shaped parts are machined from seamless tubulars. or 50 tested with one reading from each forging. may be Basic minimum elongation for walls 5⁄16 in..094) 2. the original tempering Copyright ASTM International Provided by IHS under license with ASTM 3Licensee=CH2M Hill Worldwide/5960458046.9 mm] 30 accepted on the basis of hardness only. forgings per lot.`.2 21. tested shall be 137 to 187 HBW inclusive. of maximum section thickness. it shall be tested in two locations.00 9.125) 3. 10.3 Testing shall be as specified in Specification A961/ A961M. When more than one forging is pro- TABLE 3 Computed Minimum Values duced from each heat.1 Repair of defects by the manufacturer is permissible charge.00 8. 8.`.3 Testing shall be performed as specified in Specifica. The tension test specimen shall be areas. [mm].5 % extension-under-load the representative hardness. One indentation per forging shall be Hardness.2. the following equation: 9.. or alternatively annealed.`. One percent of the and over in thickness.4.8-mm] decrease in wall thickness. mm mm. [1⁄2 h/25. %: bar such as an automatic or semi-automatic press.`. 1⁄16 (0.. in. min. 10/16/2013 16:38:04 MDT ..1 Two hardness tests shall be made for each heat of as-forged components. or heat treated between 1100 °F [593 °C] and the lower transfor- the heaviest cross section of a fitting. or.281) 7.250) 6. shall be selected at For strip tests.00 7⁄32 (0. T = actual thickness of specimen. Retreatment 10.00 8.50 mum of two forgings shall be hardness tested per batch or 14⁄ (0. are con. or other part within mation temperature for a minimum of 1⁄2 h/in. ksi [MPa]B 36 [250] Elongation in 2 in. ksi [MPa] 70 [485] ment unsuitable for the production of a separately forged test Yield strength. HBW. min..`. Hydrostatic Tests E 5 48T115. [0.4 19.`. [7. or 50 mm.6 25.50 continuous run as defined in 8. ASME or for other parts made for stock by the manufacturer.4. B Determined by either the 0. the manufacturer may heat treat or and the furnaces (either batch or continuous type). a mini- ⁄ 9 32 (0.``.35 mm] diameter or larger parallel to forging was not previously heat treated. The largest feasible round specimen shall special forgings made to the purchaser’s requirements.2 to ensure that forgings are 3⁄16 (0.`.312) 7. D For round specimens only. it shall be hardness tested in two locations 1⁄8 (0.9 30.4 mm] the scope of this specification. 8..2 Except when only one forging is produced.3. or from an integral 11.8 24. User=Corona. or 50-mm gage length or 22 smaller proportionally sized specimen with the gage heat treated. When only one in. the minimum elongation value is determined by such testing does not render the forging useless. Prior approval of the purchaser is required to repair-weld tion A961/A961M. [7.3. %.156) 4.2 % offset method or the 0. whichever is the lesser number. reheat treat the forgings as applicable and repeat the test trolled within 625 °F [614 °C] and equipped with recording specified in Section 8. min.9 mm] from the basic minimum elongation The locations of the indentations shall be at the option of the of the percentage points of Table 3 manufacturer but shall be selected to be representative of the Reduction of area. see 8.`. prepared. C See Table 3 for computed minimum values. A105/A105M − 13 TABLE 2 Mechanical RequirementsA the dimension of maximum working. produce undesirably high levels of hydrogen in the welded strip tests may be used.8-mm] 1. then one tension test from each heat is required 11.`--- Note—The above table gives the computed minimum elongation values for been met by testing at any location on the forging. min. provided each 1⁄32-in.6 18. obtained from a production forging. and tested using the standard Brinell test. decrease in wall thickness below 5⁄16 in. The test specimen material shall be included with a for forgings made to dimensional standards such as those of furnace charge. %D 30 forging as a whole. the product of a heat per furnace charge. If the specimen of 0. [6.219) 5. ⁄ 5 16 (0.-`-`. a deduction for each 1⁄32 -in. When only one 5⁄32 (0. and cation A961/A961M is specified. strip tests.``. When hollow cylindrically 11. or 50 mm.3 All forgings repaired by welding shall be post-weld prolongation representative of the hub location of a flange.50C random. max 187 A required but additional indentations may be made to establish For small forgings.``.4 27.. min. Where the wall thickness lies between two values shown above.3. The hardness of all forgings so method.188) 4. a minimum of two forgings shall be Wall Thickness Elongation in 2 in. 8.2 Weld repairs shall be made by a process that does not shaped parts are machined from seamless tubular materials. or quenched and tempered. [0. and produced in equip- Tensile strength.250 in.0 22.4.3. % forging is produced.3.1 28. where a lot is the product from a heat. pyrometers so that complete records of heat treatment are available. The purchaser may verify that the requirement has --`. Jose No reproduction or networking permitted without license from IHS Not for Resale. Repair by Welding instead of one test from each heat in each heat-treatment 11.1 If the results of the mechanical tests do not conform to 8.4 Hardness Tests: 8.2.00 within the hardness limits given in Table 2. if When standard round 2-in.. valve.50 forging is produced.062) 1.1 Such tests shall be conducted by the forging manufac- where: turer only when Supplementary Requirement S57 in Specifi- E = elongation in 2 in.4 Forgings too small to permit obtaining a subsize normalized and tempered.2 When the heat-treating temperatures are the same the requirement specified. or ten length equal to 4D is used forgings.4.00 3⁄32 (0.50 to ensure it is within the hardness limits given in Table 2.`. contract. steel valves. Other parts ordered with no marking are by agreement between the 13.1 In addition to marking requirements of Specification qualification weldment shall. Jose No reproduction or networking permitted without license from IHS Not for Resale. purchaser.1.2.`--- supplier. and tensile test results S2. Section 8 (Table 2).1 pipe fittings.`. it shall be so indicated on the test report. tension specimens are used.`. the condition of repair-welded forgings. steel. The purchaser may 13. elongation bar code may be applied to the box or a substantially applied and reduction in area. the following additional marking requirements Section IX of the ASME Boiler and Pressure Vessel Code. taining parts. where applicable: The bar coding system. 14.`. the markings shall be dimensions..1 Identification Marking—For forgings made to specified facturer and specified in the order.`. when tested in accordance with A961/A961M. 14.3 When test reports are required.2.5 Any supplementary testing required by the purchase in the post weld cycle. and applications.2.`. All forgings not within the treated forgings per 8.1 Each forging that develops injurious defects during the letter “W” following this specification number. S2. forgings or separately forged test blanks.2 When forgings not requiring heat treatment by 6. high SUPPLEMENTARY REQUIREMENTS The following supplementary requirements shall apply only when specified by the purchaser in the inquiry.1 Type heat treatment. shall apply: conform with the requirements listed in Table 2 for the thermal 14.2 Forgings repaired by welding shall be marked with 12. 15.. accordance with Section 8 on completion of the cycle. Section 6. User=Corona.1 are supplied heat treated by purchaser request.1 All forgings shall be heat treated as specified by the were obtained from as-forged forgings or as-forged test blanks. 12.. bar coding is acceptable as a supplemental identification method.-`-`..2 Test Reports—The manufacturer shall also provide the specify in the order a specific bar coding system to be used. Rejection and Rehearing 14.2. Specification A961/A961M. in percent. Certification purchaser and manufacturer. 13.`. temperature service two readings. A105/A105M − 13 temperature was exceeded.. a minimum of temperature service applications. then the forging shall be tested in order. the the yield strength and tensile strength.3 Chemical analysis results. Copyright ASTM International Provided by IHS under license with ASTM 4Licensee=CH2M Hill Worldwide/5960458046. as agreed upon between the supplier and purchaser. report industry standards for bar coding.4 When agreed upon between the purchaser and manu- 13.4 and either (1) tensile testing of heat hardness shall be 137 to 187 HBW. following.`.4 The mechanical properties of the procedure. re.``. requirements are not required to be marked.3 Plugs and bushings furnished to ASME B16. fication marks as required in Specification A961/A961M shall be the certification that the forgings have been furnished in 14. If used on small parts. letters “QT” shall be stamped on the forgings following this specification number. application of identi- plastic tag which shall be securely attached to the fitting. steel flanges. if longitudinal strip tag.2. carbon.`.1 The purchaser may check the hardness of any or all determining conformance with Table 2 and Table 3 shall be forgings supplied at any location on the forging and the hardness testing per 8. and for painted or stenciled on the fitting or stamped on a metal or forgings made to dimensional standards. the basis for S1. or (2) tensile tests from as-forged specified hardness range shall be rejected.2. Section 8 (Table 2).1.4 Hardness results. steel forgings. shop working or application shall be rejected and the manu. or the forging was fully heat treated 13. 14.1 If the forgings have been quenched and tempered. when agreed upon by the purchaser. Section 7 (Table 1). Heat Treatment S2. 14. pressure con- as the limits specified in Table 1 for that element.2 Tensile property results. if applied at the discretion of the 13. Product Marking 11.``.1.. 13.. and. Keywords ported results shall be to the same number of significant figures 15. elevated. --`. 10/16/2013 16:38:04 MDT . and order.``. in ksi [MPa].1.`. should be consistent with one of the published 13. S1. report the width of the gage length.. Hardness S2.11 facturer notified.2 Bar Coding—In addition to the requirements in accordance with the requirements of this specification. piping applications. either reapproved or withdrawn. 610-832-9555 (fax).. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585 (phone). analysis. User=Corona. this S4. (2) Deleted the redundant 1. or QT for quenched and tempered.. (3) Revised to reinstate multiple quenching as a heat treat option in Section 6. 2013) (1) Revised 8.. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. shall be 0.`. (Approved November 1. (5) Revised the wording of 13. Marking Small Forgings maximum section thickness of greater than 2 in.4 In addition to the marking required by Section 14..`.1 The maximum carbon equivalent.org/ COPYRIGHT/).`. as appropriate.2 Determine the carbon equivalent (CE) as follows: than 1 in.``. Carbon Equivalent specification shall be followed by the letter: A for annealed. and 0. S3.2.3. PO Box C700.4 to parallel the wording of Guide A994 (4) Revised the units in Table 2 from psi to ksi and removed the 6.. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards.2 When the configuration or size does not permit mark.`. that may impact the use of this specification. (3) Revised Sections 13 and 14 on certification and marking.org). that may impact the use of this specification. (Approved October 1.3 A lower maximum carbon equivalent may be agreed S3. A105/A105M − 13 S2. West Conshohocken.``. and moves mandatory Note 2 into the text. N S4.2(2). Committee A01 has identified the location of selected changes to this specification since the last issue. upon between the supplier and the purchaser. to add clari- fication concerning the location for removal of test specimens. or less. S4.2. are entirely their own responsibility. at the address shown below.astm. A105/A105M–11a. Permission rights to photocopy the standard may also be secured from the ASTM website (www. PA 19428-2959. or through the ASTM website (www. NT for normalized and tempered. This standard is copyrighted by ASTM International. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.3.. 10/16/2013 16:38:04 MDT . United States.`.`--- This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised.astm. 2012) (1) Revised 1.47 for forgings with a maximum section thickness of 2 in.. Jose No reproduction or networking permitted without license from IHS Not for Resale.2.2 to clarify test specimen location. which you may attend.1 For small products where the space for marking is less S4. test reports are mandatory CE 5 C1Mn/61 ~ Cr1Mo1V ! /51 ~ Ni1Cu! /15 and marking may be restricted to only such symbols or codes as are necessary to identify the parts with test reports. Your comments will receive careful consideration at a meeting of the responsible technical committee. and the risk of infringement of such rights. --`.org (e-mail).48 for forgings with a S3. Copyright ASTM International Provided by IHS under license with ASTM 5Licensee=CH2M Hill Worldwide/5960458046. [25 mm] in any direction.`.`. the marking method shall be a matter of agreement between the manufacturer and the pur- chaser.`.-`-`. SUMMARY OF CHANGES Committee A01 has identified the location of selected changes to this specification since the last issue. superfluous zeroes in the inch-pound units.5.2 to address testing requirements for different size forgings in the same heat-treatment charge. Users of this standard are expressly advised that determination of the validity of any such patent rights. (2) Revised 8. based on heat for normalized. A105/A105M–12. 100 Barr Harbor Drive.``. ing directly on the forging. or service@astm..`.