1、Designation: A336/A336M 10aA336/A336M 15Standard Specification forAlloy Steel Forgings for Pressure and High-TemperatureParts1This standard is issued under the fixed designation A336/A336M; the number immediately following the designation indicates the yearof original adoption or, in the case of rev
2、ision, 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 U.S. Department of Defense.1. Scope*1.1 This specifi
3、cation2 covers ferritic steel forgings for boilers, pressure vessels, high-temperature parts, and associatedequipment.1.2 Forgings made of steel grades listed in Specification A335/A335M, may also be ordered under this specification. Thechemical, tensile, heat treatment, and marking requirements of
4、Specification A335/A335M shall apply, except the forging shallconform to the chemical requirements of Tables 1 and 2 of Specification A335/A335M only with respect to heat analysis. Onproduct analysis they may deviate from these limits to the extent permitted in Table 1 of this specification.1.3 Supp
5、lementary Requirements S1 to S9 are provided for use when additional testing or inspection is desired. These shallapply only when specified individually by the purchaser in the order.1.4 Unless the order specifies the applicable “M” specification designation, the material shall be furnished to the i
6、nch-poundunits.1.5 Specification A336/A336M formerly included austenitic steel forgings, which are now found in Specification A965/A965M.1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalent
7、s; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-conformance with the standard.2. Referenced Documents2.1 ASTM Standards:3A275/A275M Practice for Magnetic Particle Examination of Steel ForgingsA335/A335M Specification for Seam
8、less Ferritic Alloy-Steel Pipe for High-Temperature ServiceA370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA788/A788M Specification for Steel Forgings, General RequirementsA965/A965M Specification for Steel Forgings, Austenitic, for Pressure and High Temperature PartsE165E1
9、65/E165M Practice for Liquid Penetrant Examination for General Industry2.2 ASME Boiler and Pressure Vessel Code:4Section III Nuclear Power Plant ComponentsSection IX Welding and Brazing Qualifications2.3 AWS Specifications:5A5.5/A5.5M Low-Alloy Steel Electrodes for Shielded Metal Arc WeldingA5.23/A5
10、.23M Low-Alloy Steel Electrodes and Fluxes for Submerged Arc WeldingA5.28/A5.28M Low-Alloy Steel Electrodes for Gas Shielded Arc Welding1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee A01
11、.06on Steel Forgings and Billets.Current edition approved Dec. 1, 2010Dec. 1, 2015. Published January 2011December 2015. Originally approved in 1955. Last previous edition approved in 2010 asA336/A336M 10.A336/A336M 10a. DOI: 10.1520/A0336_A0336M-10A. 10.1520/A0336_A0336M-15.2 For ASME Boiler and Pr
12、essure Vessel Code applications, see related Specification SA-336/SA-336M in Section II of that Code.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Do
13、cument Summary page on the ASTM website.4 Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, ThreeTwo Park Ave., New York, NY 10016-5990. 10016-5990,http:/www.asme.org.5 Available from American Welding Society (AWS), 550 NW LeJeune Rd., 8669 NW 36 St., #
14、130, Miami, FL 33126,33166-6672, http:/www.aws.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accur
15、ately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor
16、Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE 1 Tensile RequirementsFerritic SteelsGradeF1 F11,Class 2 F11,Class 3 F11,Class 1 F12 F5 F5A F9 F6 F6NM F21,Class 3 F21,Class 1 F22,Class 3 F22,Class 1 F91 F911 F92 F3V F3VCb F22VTensilestrength,ksi MPA70-95485-66070-95485-6607
17、5-100515-69060-85415-58570-95485-66060-85415-58580-105550-72585-110585-76085-110585-760115-140790-96575-100515-69060-85415-58575-100515-69060-85415-58590-110620-76090-120620-83090-120620-83085-110585-76085-110585-76085-110585-760Tensilestrength,ksi MPa70-95485-66070-95485-66075-100515-69060-85415-58
18、570-95485-66060-85415-58580-105550-72585-110585-76085-110585-760115-140790-96575-100515-69060-85415-58575-100515-69060-85415-58590-110620-76090-120620-83090-120620-83085-110585-76085-110585-76085-110585-760Yieldstrength,min, ksiMPa402754027545310302054027536250503455538055380906204531030205453103020
19、5604156444064440604156041560415Elongationin2 in. or50 mm,min, %20 20 18 20 20 20 19 20 18 15 19 20 19 20 20 20 20 18 18 18Reductionof area,min, %40 40 40 45 40 40 35 40 35 45 40 45 40 45 40 40 45 45 45 45A336/A336M152A5.29/A5.29M Low-Alloy Steel Electrodes for Flux Cored Arc Welding3. Ordering Infor
20、mation and General Requirements3.1 In addition to the ordering information required by Specification A788/A788M, the purchaser should include with theinquiry and order the following information:3.1.1 A drawing or sketch that shows test locations when the testing is in accordance with 8.1.1.3.3.1.2 T
21、he intended use of forgings if 5.1 is applicable.3.2 Material supplied to this specification shall conform to the requirements of Specification A788/A788M, which outlinesadditional ordering information, manufacturing requirements, testing and retesting methods and procedures, marking, certification,
22、product analysis variations, and additional supplementary requirements.3.3 If the requirements of this specification are in conflict with the requirements of Specification A788/A788M, therequirements of this specification shall prevail.3.4 For hubbed flangesflatheads and tube sheets ordered forASME
23、Boiler and Pressure Vessel Code application, SupplementaryRequirement S12 of Specification A788/A788M shall be specified.3.5 At the purchasers request the forgings shall be rough machined before heat treatment (5.2).3.6 For Section III, Part NB of the ASME Boiler and Pressure Vessel Code application
24、, Supplementary Requirement S3 shallbe specified.4. Melting and Forging4.1 In addition to the melting and forging requirements of Specification A788/A788M, which may be supplemented bySupplementary Requirement S8, the following conditions apply:4.1.1 A sufficient discard shall be made to secure free
25、dom from injurious pipe and undue segregation.5. Machining5.1 Forged pressure vessels for steam power service shall have the inner surface machined or ground. Unfired pressure vesselsshall have the inner surfaces sufficiently free of scale to permit inspection.5.2 Unless otherwise specified by the p
26、urchaser, when rough machining is performed, it may be done either before or after heattreatment at the manufacturers option.6. Heat Treatment6.1 Except as permitted in 6.1.1 for Grade F22V, and in 6.1.2 for Grade F91 and Grade F92, the steel forgings shall be annealedor normalized and tempered but
27、alternatively may be liquid quenched and tempered when mutually agreed upon between themanufacturer and the purchaser. For all grades, normalizing or liquid quenching shall be followed by tempering at a subcriticaltemperature as shown in 6.1.4.6.1.1 Grade F22V forgings shall be normalized and temper
28、ed or liquid quenched and tempered at the manufacturers option.6.1.1.1 For Grade F22V forgings the minimum austenitizing temperature shall be 1650F 900C.6.1.2 Grade F91 forgings having any section thickness greater than 3 in. 75 mm shall be normalized and tempered or liquidquenched and tempered at t
29、he manufacturers option. Grade F92 forgings shall be normalized and tempered or liquid quenchedand tempered at the manufacturers option.6.1.2.1 For Grade F91, F911, and F92 forgings, the austenitizing temperature shall be in the range of 1900 to 1975F 1040 to1080C.6.1.3 For Grade F6NM the austenitiz
30、ing temperature shall be 1850F 1010C minimum. The tempering temperature rangeshall be as shown in 6.1.4.6.1.4 Except for the following grades, the minimum tempering temperature shall be 1100F 595C:Grade Tempering TemperatureMinimum or Range, F CF6 1150 620F6NM 1040-1120 560-600F11, Class 2 1150 620F
31、11, Class 3 1150 620F11, Class 1 1150 620F5 1250 675F5, F5a 1250 675F9 1250 675F21, Class 1 1250 675F3V, F3VCb 1250 675F22, Class 1 1250 675F22V 1250 675A336/A336M 153F91, F92 1350-1470 730-800F911 1365-1435 740-780F22, Class 3 1250 6757. Chemical Composition7.1 Heat AnalysisThe heat analysis obtain
32、ed from sampling in accordance with Specification A788/A788M and shall complywith Table 2.TABLE 2 Chemical RequirementsAComposition, %GradeElement F1 F11, Classes 2and 3F11, Class 1 F12 F5B F5AB F9 F6 F6NMCarbon 0.200.30 0.100.20 0.050.15 0.100.20 0.15 max 0.25 max 0.15 max 0.12 max 0.05 maxManganes
33、e 0.600.80 0.300.80 0.300.60 0.300.80 0.300.60 0.60 max 0.300.60 1.00 max 0.501.00Phosphorus,max0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.020Sulfur, max 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.015Silicon 0.200.35 0.501.00 0.501.00 0.100.60 0.50 max 0.50 max 0.501.00 1.00 max 0.60 m
34、axNickel . . . . . . . . . . . . 0.50 max 0.50 max . . . 0.50 max 3.55.5Chromium . . . 1.001.50 1.001.50 0.801.10 4.06.0 4.06.0 8.010.0 11.513.5 11.514Molybdenum 0.400.60 0.450.65 0.440.65 0.450.65 0.450.65 0.450.65 0.901.10 . . . 0.501.00GradeGradeElement F21, Classes1 and 3F22, Classes1 and 3Carbo
35、n 0.050.15 0.050.15Manganese 0.300.60 0.300.60Phosphorus,max0.025 0.025Sulfur, max 0.025 0.025Silicon 0.50 max 0.50 maxNickel . . . . . .Chromium 2.73.3 2.002.50Molybdenum 0.801.06 0.901.10Vanadium . . . . . .Copper . . . . . .Nitrogen . . . . . .Columbium . . . . . .Element Grade F91 Grade F911 Gra
36、de F92 F3V F3VCb F22VElement Grade F91 Grade F911 Grade F92 F3V F3VCb F22VCarbon 0.080.12 0.090.13 0.070.13 0.100.15 0.100.15 0.110.15Manganese 0.300.60 0.300.60 0.300.60 0.300.60 0.300.60 0.300.60Phosphorus,max0.025 0.020 0.020 0.020 0.020 0.015Sulfur, max 0.025 0.010 0.010 0.020 0.010 0.010Silicon
37、 0.200.50 0.100.50 0.50 0.10 max 0.10 max 0.10 maxNickel 0.40 max 0.40 max 0.40 . . . 0.25 max 0.25 maxChromium 8.09.5 8.59.5 8.509.50 2.73.3 2.73.3 2.002.50Molybdenum 0.851.05 0.901.10 0.300.60 0.901.10 0.901.10 0.901.10Vanadium 0.180.25 0.180.25 0.150.25 0.200.30 0.200.30 0.250.35Columbium 0.060.1
38、0 0.060.10 0.040.09 . . . 0.0150.070 0.07 maxNitrogen 0.030.07 0.040.09 0.0300.070 . . . . . . . . .Aluminum 0.02 maxC 0.02 maxC 0.02 . . . . . . . . .Boron . . . 0.00030.006 0.0010.006 0.0010.003 . . 0.0020 maxTungsten . . . 0.901.10 1.502.00 . . . . . . . . .Titanium 0.01 maxC 0.01 maxC 0.01 0.015
39、0.035 0.015 max 0.030 maxCopper . . . . . . . . . . . . 0.25 max 0.20 maxCalcium . . . . . . . . . . . . 0.00050.0150 0.015 maxDZirconium 0.01 maxC 0.01 maxC 0.01 . . . . . . . . .A Where ellipses (.) appear in this table, there is no requirement, and the element need neither be analyzed for nor rep
40、orted.B The present Grade F 5AF5A (0.25 %, maximum carbon) previous to 1955 was assigned the identification symbol F5. Identification symbol F5 has been assigned to the0.15 %, maximum, carbon grade to be consistent with ASTM specifications for other products such as pipe, tubing, bolting, welding, f
41、ittings, etc.C Applies to both heat and product analyses.D For Grade F 22V,F22V, rare earth metals (REM) may be added in place of calcium subject to agreement between the producer and the purchaser. In that case the totalamount of REM shall be determined and reported.A336/A336M 1547.2 Product Analys
42、isThe manufacturer shall use the product analysis provision of Specification A788/A788M to obtain aproduct analysis from a forging representing each heat or multiple heat. The product analysis for columbium and calcium for GradeF22V shall conform to the requirements of Table 2 of this specification.
43、 Boron is not subject to product analysis. The purchasermay also make this determination in accordance with Specification A788/A788M.8. Mechanical Properties8.1 General RequirementsThe material shall conform to the requirements for mechanical properties prescribed in Table 1. Thelargest obtainable t
44、ension test specimen as specified in Test Methods and Definitions A370 shall be used.8.1.1 Except as required in 3.4, for annealed, normalized, and tempered or quenched and tempered forgings, the longitudinalaxis of the tension test specimens, and, when required, Charpy impact test specimens, shall
45、be parallel to the direction of majorworking of the forging, except when Supplementary Requirement S2 is specified. For upset disk forgings, the longitudinal axis ofthe test specimen shall be in the tangential direction.8.1.1.1 Except as provided for liquid quenched and tempered forgings in 8.1.1.3,
46、 the longitudinal axis of the specimen shall belocated midway between the parallel surfaces of the test extension if added to the periphery of disks or midway between the centerand surface of solid forgings. For hollow forgings, the longitudinal axis of the specimens shall be located midway between
47、thecenter and outer surfaces of the wall. When separately forged test blocks are employed, as defined in 8.1.3, the tension testspecimens shall be taken from a location that represents the midwall of the heaviest section of the production forgings. Whenspecimens are required from opposite ends, they
48、 shall be taken from the diagonal corners of an axial plane.Alternatively, and whenspecified by the purchaser, the specimens shall be taken in accordance with Supplementary Requirement S3.8.1.1.2 For liquid quenched and tempered forgings, the test specimens shall have their longitudinal axis at leas
49、t 14 T of themaximum heat-treated thickness from any surface and with the mid-length of the specimens at least one T from any second surface.This is normally referred to as 14 T T, where T is the maximum heat-treated thickness. A thermal buffer may be used to adhereto the above condition.8.1.1.3 For li
