1、Designation: A276 13A276 13aStandard Specification forStainless Steel Bars and Shapes1This standard is issued under the fixed designation A276; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in
2、parentheses indicates the year of last reapproval. Asuperscript 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*1.1 This specification covers hot-finished or cold-finished bars ex
3、cept bars for reforging (Note 1). It includes rounds, squares,and hexagons, and hot-rolled or extruded shapes, such as angles, tees, and channels in the more commonly used types of stainlesssteels. The free-machining types (Note 2) for general corrosion resistance and high-temperature service are co
4、vered in a separatespecification.NOTE 1For bars for reforging, see Specification A314.NOTE 2For free-machining stainless bars designed especially for optimum machinability, see Specification A582/A582M.NOTE 3There are standards covering high nickel, chromium, austenitic corrosion, and heat resisting
5、 alloy materials. These standards are under thejurisdiction of ASTM Subcommittee B02.07 and may be found in Annual Book of ASTM Standards, Vol. 02.04.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that
6、 are provided for information only and are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A314 Specification for Stainless Steel Billets and Bars for ForgingA370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA484/A484M Specification for General Requirements
7、 for Stainless Steel Bars, Billets, and ForgingsA582/A582M Specification for Free-Machining Stainless Steel BarsA751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel ProductsE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)2.2 SAE Document:3SA
8、E J 1086 Recommended Practice for Numbering Metals and Alloys3. Ordering Information3.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under thisspecification. Such requirements may include but are not limited to the following:3.1.1 Quan
9、tity (weight or number of pieces),3.1.2 Name of material: stainless steel,3.1.3 Form (bars, angles, etc.),3.1.4 Condition (Section 4.1),3.1.5 Finish (Section 8 of Specification A484/A484M),3.1.6 Surface preparation of shapes (Section 8 of Specification A484/A484M),3.1.7 Applicable dimensions includi
10、ng size, thickness, width, and length, l.3.1.8 Cross section (round, square, etc.),3.1.9 Type or UNS designation (Table 1),3.1.10 ASTM designation and date of issue, and1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct r
11、esponsibility of Subcommittee A01.17on Flat-Rolled and Wrought Stainless Steel.Current edition approved May 1, 2013Nov. 1, 2013. Published June 2013November 2013. Originally approved in 1944. Last previous edition approved in 20102013 asA276 10.A276 13. DOI: 10.1520/A0276-13.10.1520/A0276-13a.2 For
12、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 Document Summary page on the ASTM website.3 Available from Society of Automotive Engineers (SAE), 400 Commonw
13、ealth Dr., Warrendale, PA 15096-0001, http:/www.sae.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
14、accurately, 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 Ha
15、rbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE 1 Chemical RequirementsAUNSDesigna-tionBTypeComposition, %Carbon Manganese Phos-phorus Sulfur Silicon Chromium Nickel Molyb-denum Nitrogen Other ElementsAustenitic GradesN08367 . . . 0.030 2.00 0.040 0.030 1.00 20.022.0 2
16、3.525.5 6.07.0 0.180.25 Cu 0.75N08700 . . . 0.04 2.00 0.040 0.030 1.00 19.023.0 24.026.0 4.35.0 . . . Cu 0.50Cb 8 C min0.40 maxN08800 800 0.10 1.50 0.045 0.015 1.00 19.023.0 30.035.0 . . . . . . FeJ 39.5 min.Cu 0.75Al 0.150.60Ti 0.150.60N08810 800H 0.050.10 1.50 0.045 0.015 1.00 19.023.0 30.035.0 .
17、. . . . . FeJ 39.5 min.Cu 0.75Al 0.150.60Ti 0.150.60N08811 . . . 0.060.10 1.50 0.045 0.015 1.00 19.023.0 30.035.0 . . . . . . FeJ 39.5 min.Cu 0.75AlK 0.250.60TiK 0.250.60N08904 904L 0.020 2.00 0.045 0.035 1.00 19.023.0 23.028.0 4.05.0 0.10 Cu 1.02.0N08925 . . . 0.020 1.00 0.045 0.030 0.50 19.021.0 2
18、4.026.0 6.07.0 0.100.20 Cu 0.801.50N08926 . . . 0.020 2.00 0.030 0.015 0.50 19.021.0 24.026.0 6.07.0 0.150.25 Cu 0.501.50S20100 201 0.15 5.57.5 0.060 0.030 1.00 16.018.0 3.55.5 . . . 0.25 . . .S20161 . . . 0.15 4.06.0 0.045 0.030 3.04.0 15.018.0 4.06.0 . . . 0.080.20 . . .S20162 . . . 0.15 4.08.0 0.
19、040 0.040 2.54.5 16.521.0 6.010.0 0.502.50 0.050.25 . . .S20200 202 0.15 7.510.0 0.060 0.030 1.00 17.019.0 4.06.0 . . . 0.25 . . .S20500 205 0.120.25 14.015.5 0.060 0.030 1.00 16.518.0 1.01.7 . . . 0.320.40 . . .S20910 XM-19 0.06 4.06.0 0.045 0.030 1.00 20.523.5 11.513.5 1.503.00 0.200.40 Cb 0.100.3
20、0,V 0.100.30S21800 . . . 0.10 7.09.0 0.060 0.030 3.54.5 16.018.0 8.09.0 . . . 0.080.18 . . .S21900 XM-10 0.08 8.010.0 0.045 0.030 1.00 19.021.5 5.57.5 . . . 0.150.40 . . .S21904 XM-11 0.04 8.010.0 0.045 0.030 1.00 19.021.5 5.57.5 . . . 0.150.40 . . .S24000 XM-29 0.08 11.514.5 0.060 0.030 1.00 17.019
21、.0 2.33.7 . . . 0.200.40 . . .S24100 XM-28 0.15 11.014.0 0.045 0.030 1.00 16.519.0 0.502.50 . . . 0.200.45 . . .S28200 . . . 0.15 17.019.0 0.045 0.030 1.00 17.019.0 . . . 0.751.25 0.400.60 Cu 0.751.25S30200 302 0.15 2.00 0.045 0.030 1.00 17.019.0 8.010.0 . . . 0.10 . . .S30215 302B 0.15 2.00 0.045 0
22、.030 2.003.00 17.019.0 8.010.0 . . . 0.10 . . .S30400 304 0.08 2.00 0.045 0.030 1.00 18.020.0 8.011.0 . . . . . . . . .S30403 304LC 0.030 2.00 0.045 0.030 1.00 18.020.0 8.012.0 . . . . . . . . .S30451 304N 0.08 2.00 0.045 0.030 1.00 18.020.0 8.011.0 . . . 0.100.16 . . .S30452 XM-21 0.08 2.00 0.045 0
23、.030 1.00 18.020.0 8.010.0 . . . 0.160.30 . . .S30453 304LN 0.030 2.00 0.045 0.030 1.00 18.020.0 8.011.0 . . . 0.100.16 . . .S30454 . . . 0.03 2.00 0.045 0.030 1.00 18.020.0 8.011.0 . . . 0.160.30 . . .S30500 305 0.12 2.00 0.045 0.030 1.00 17.019.0 11.013.0 . . . . . . . . .S30800 308 0.08 2.00 0.04
24、5 0.030 1.00 19.021.0 10.012.0 . . . . . . . . .S30815 . . . 0.050.10 0.80 0.040 0.030 1.402.00 20.022.0 10.012.0 . . . 0.140.20 Ce 0.030.08S30900 309 0.20 2.00 0.045 0.030 1.00 22.024.0 12.015.0 . . . . . . . . .S30908 309S 0.08 2.00 0.045 0.030 1.00 22.024.0 12.015.0 . . . . . . . . .S30940 309Cb
25、0.08 2.00 0.045 0.030 1.00 22.024.0 12.016.0 . . . . . . Cb 10C-1.10S31000 310 0.25 2.00 0.045 0.030 1.50 24.026.0 19.022.0 . . . . . . . . .S31008 310S 0.08 2.00 0.045 0.030 1.50 24.026.0 19.022.0 . . . . . . . . .S31040 310Cb 0.08 2.00 0.045 0.030 1.50 24.026.0 19.022.0 . . . . . . Cb 10C-1.10S312
26、54 . . . 0.020 1.00 0.030 0.010 0.80 19.520.5 17.518.5 6.06.5 0.180.22 Cu 0.501.00S31254 . . . 0.020 1.00 0.030 0.010 0.80 19.520.5 17.518.5 6.06.5 0.180.25 Cu 0.501.00S31400 314 0.25 2.00 0.045 0.030 1.503.00 23.026.0 19.022.0 . . . . . . . . .S31600 316 0.08 2.00 0.045 0.030 1.00 16.018.0 10.014.0
27、 2.003.00 . . . . . .S31603 316LC 0.030 2.00 0.045 0.030 1.00 16.018.0 10.014.0 2.003.00 . . . . . .S31635 316Ti 0.08 2.00 0.045 0.030 1.00 16.018.0 10.014.0 2.003.00 0.10 Ti 5(C+N)-0.70S31640 316Cb 0.08 2.00 0.045 0.030 1.00 16.018.0 10.014.0 2.003.00 0.10 Cb 10C-1.10S31651 316N 0.08 2.00 0.045 0.0
28、30 1.00 16.018.0 10.014.0 2.003.00 0.100.16 . . .S31653S31654316LN. . .0.0300.032.002.000.0450.0450.0300.0301.001.0016.018.016.018.010.013.010.013.02.003.002.003.000.100.160.160.30. . . . .S31700 317 0.08 2.00 0.045 0.030 1.00 18.020.0 11.015.0 3.04.0 0.10 . . .S31725 . . . 0.030 2.00 0.045 0.030 1.
29、00 18.020.0 13.517.5 4.05.0 0.20 . . .S31726 . . . 0.030 2.00 0.045 0.030 1.00 17.020.0 14.517.5 4.05.0 0.100.20 . . .A276 13a23.1.11 Whether bars are to be rolled as bars or cut from strip or plate.3.1.12 Test for magnetic permeability when specified by customer purchase order when ordering Types 2
30、01 and 205.3.1.13 Special requirements.NOTE 4A typical ordering description is as follows: 5000 lb (2268 kg) Stainless Steel Bars, Annealed and Centerless Ground, 112 in. (38.10 mm)TABLE 1 ContinuedUNSDesigna-tionBTypeComposition, %Carbon Manganese Phos-phorus Sulfur Silicon Chromium Nickel Molyb-de
31、num Nitrogen Other ElementsS31727 . . . 0.030 1.00 0.030 0.030 1.00 17.519.0 14.516.5 3.84.5 0.150.21 Cu 2.84.0S32053 . . . 0.030 1.00 0.030 0.010 1.00 22.024.0 24.026.0 5.06.0 0.170.22 . . .S32100 321 0.08 2.00 0.045 0.030 1.00 17.019.0 9.012.0 . . . . . . Ti 5(C+N)-0.70DS32654 . . . 0.020 2.04.0 0
32、.030 0.005 0.50 24.025.0 21.023.0 7.08.0 0.450.55 Cu 0.300.60S34565 . . . 0.030 5.07.0 0.030 0.010 1.00 23.025.0 16.018.0 4.05.0 0.400.60 Cb 0.10S34700 347 0.08 2.00 0.045 0.030 1.00 17.019.0 9.012.0 . . . . . . Cb 10C1.10S34800 348 0.08 2.00 0.045 0.030 1.00 17.019.0 9.012.0 . . . . . . Cb 10C1.10,
33、Ta 0.10Co 0.20Austenitic-Ferritic GradesS31100 XM-26 0.06 1.00 0.045 0.030 1.00 25.027.0 6.07.0 . . . . . . Ti 0.25S31803 . . . 0.030 2.00 0.030 0.020 1.00 21.023.0 4.56.5 2.53.5 0.080.20 . . .S32101 . . . 0.040 4.06.0 0.040 0.030 1.00 21.022.0 1.351.70 0.100.80 0.200.25 Cu 0.100.80S32202 . . . 0.03
34、0 2.00 0.040 0.010 1.00 21.524.0 1.002.80 0.45 0.180.26 . . .S32205 . . . 0.030 2.00 0.030 0.020 1.00 22.023.0 4.56.5 3.03.5 0.140.20 . . .S32304 . . . 0.030 2.50 0.040 0.030 1.00 21.524.5 3.05.5 0.050.60 0.050.20 Cu 0.050.60S32506 . . . 0.030 1.00 0.040 0.015 0.90 24.026.0 5.57.2 3.03.5 0.080.20 W
35、0.050.30S32550 . . . 0.04 1.50 0.040 0.030 1.0 24.027.0 4.56.5 2.93.9 0.100.25 Cu 1.502.50S32750 . . . 0.030 1.20 0.035 0.020 0.80 24.026.0 6.08.0 3.05.0 0.240.32 Cu 0.50S32760E . . . 0.030 1.00 0.030 0.010 1.00 24.026.0 6.08.0 3.04.0 0.200.30 Cu 0.501.00W 0.501.00S82441 . . . 0.030 2.54.0 0.035 0.0
36、05 0.070 23.025.0 3.04.5 1.002.00 0.200.30 Cu 0.100.80Ferritic GradesS40500 405 0.08 1.00 0.040 0.030 1.00 11.514.5 0.50 . . . . . . Al 0.100.30S40976 . . . 0.030 1.00 0.040 0.030 1.00 10.511.7 0.751.00 . . . 0.040 Cb 10(C+N)-0.80S42900 429 0.12 1.00 0.040 0.030 1.00 14.016.0 . . . . . . . . . . . .
37、S43000 430 0.12 1.00 0.040 0.030 1.00 16.018.0 . . . . . . . . . . . .S44400 444 0.025 1.00 0.040 0.030 1.00 17.519.5 1.00 1.752.50 0.035 Ti+Cb 0.20+4 (C+N)-0.80S44600 446 0.20 1.50 0.040 0.030 1.00 23.027.0 0.75 . . . 0.25 . . .S44627 XM-27F 0.010G 0.40 0.020 0.020 0.40 25.027.5 0.50 0.751.50 0.015
38、G Cu 0.20Cb 0.050.20S44700 . . . 0.010 0.30 0.025 0.020 0.20 28.030.0 0.15 3.54.2 0.020 C+N 0.025Cu 0.15S44800 . . . 0.010 0.30 0.025 0.020 0.20 28.030.0 2.002.50 3.54.2 0.020 C+N 0.025Cu 0.15Martensitic GradesS40300 403 0.15 1.00 0.040 0.030 0.50 11.513.0 . . . . . . . . . . . .S41000 410 0.080.15
39、1.00 0.040 0.030 1.00 11.513.5 . . . . . . . . . . . .S41040 XM-30 0.18 1.00 0.040 0.030 1.00 11.013.0 . . . . . . . . . Cb 0.050.30S41400 414 0.15 1.00 0.040 0.030 1.00 11.513.5 1.252.50 . . . . . . . . .S41425 . . . 0.05 0.501.00 0.020 0.005 0.50 12.015.0 4.07.0 1.502.00 0.060.12 Cu 0.30S41500 H 0
40、.05 0.501.00 0.030 0.030 0.60 11.514.0 3.55.5 0.501.00 . . . . . .S42000 420 0.15 min 1.00 0.040 0.030 1.00 12.014.0 . . . . . . . . . . . .S42010 . . . 0.150.30 1.00 0.040 0.030 1.00 13.515.0 0.350.85 0.400.85 . . . . . .S43100 431 0.20 1.00 0.040 0.030 1.00 15.017.0 1.252.50 . . . . . . . . .S4400
41、2 440A 0.600.75 1.00 0.040 0.030 1.00 16.018.0 . . . 0.75 . . . . . .S44003 440B 0.750.95 1.00 0.040 0.030 1.00 16.018.0 . . . 0.75 . . . . . .S44004 440C 0.951.20 1.00 0.040 0.030 1.00 16.018.0 . . . 0.75 . . . . . .A Maximum, unless range or minimum is indicated.B Designations established in accor
42、dance with Practice E527 and SAE J 1086.C For some applications, the substitution ofType 304LforType 304, orType 316LforType 316 may be undesirable because of design, fabrication, or service requirements.In such cases, the purchaser should so indicate on the order.D Nitrogen content is to be reporte
43、d for this grade.E % Cr + 3.3 % Mo + 16 % N $ 40.F Nickel plus copper shall be 0.50 % max.G Product analysis tolerance over the maximum limit for carbon and nitrogen shall be 0.002 %.H Wrought version of CA 6NM.I Maximum, unless otherwise indicated.J Iron shall be determined arithmetically by differ
44、ence of 100 minus the sum of specified elements.K (Al+Ti) 0.851.20.A276 13a3Round, 10 to 12 ft (3.05 to 3.66 m) in length, Type 304, ASTM Specification A276 dated _. End use: machined valve parts.4. Manufacture4.1 Condition:4.1.1 Bars shall be furnished in one of the following conditions listed in t
45、he Mechanical Requirements table:4.1.1.1 Condition AAnnealed4.1.1.2 Condition HHardened and tempered at a relatively low temperature4.1.1.3 Condition THardened and tempered at a relatively high temperature4.1.1.4 Condition S Strain HardenedRelatively light cold work4.1.1.5 Condition BRelatively seve
46、re cold work5. Chemical Composition5.1 The steel shall conform to the requirements for chemical composition specified in Table 1.5.2 Methods and practices relating to chemical analysis required by this specification shall be in accordance with Test Methods,Practices, and Terminology A751.6. Mechanic
47、al Properties Requirements6.1 The material shall conform to the mechanical test requirements specified in Table 2.6.2 The martensitic grades shall be capable of meeting the hardness requirements after heat treating as specified in Table 3.6.3 Hardness measurements, when required, shall be made at a
48、location midway between the surface and the center of the crosssection.7. Magnetic Permeability7.1 When required by the purchase order, the magnetic permeability of Types 201 and 205 in the annealed condition shall notexceed 1.2 as tested by a Severn-type indicator.8. General Requirements8.1 In addition to the requirements of this specification, all requirements of the current edition of Specification A484/A484Mshall apply. Failure to comply with the general requirements of Specification A484/A484M constitutes nonconformance to thisspecifi
