1、Designation: A276 10A276 13Standard 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 p
2、arentheses 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 exc
3、ept 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 cov
4、ered 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.NOTE 1For bars for reforging, see Specification A314.NOTE 2For free-machining stainless bars designed especially for optimum machinability, see Specifi
6、cation A582/A582M.NOTE 3There are standards covering high nickel, chromium, austenitic corrosion, and heat resisting 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-poun
7、d units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that 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 Te
8、st Methods and Definitions for Mechanical Testing of Steel ProductsA484/A484M Specification for General Requirements for Stainless Steel Bars, Billets, and ForgingsA582/A582M Specification for Free-Machining Stainless Steel BarsA751 Test Methods, Practices, and Terminology for Chemical Analysis of S
9、teel ProductsE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)2.2 SAE Document:3SAE 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 mat
10、erial ordered under thisspecification. Such requirements may include but are not limited to the following:3.1.1 Quantity (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/A4
11、84M),3.1.6 Surface preparation of shapes (Section 8 of Specification A484/A484M),3.1.7 Applicable dimensions including size, thickness, width, and length, l.1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibilit
12、y of Subcommittee A01.17on Flat-Rolled and Wrought Stainless Steel.Current edition approved May 1, 2010May 1, 2013. Published June 2010June 2013. Originally approved in 1944. Last previous edition approved in 20082010 asA276 08a.A276 10. DOI: 10.1520/A0276-10.10.1520/A0276-13.2 For referencedASTM st
13、andards, 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 Commonwealth Dr., Warren
14、dale, 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 accurately, ASTM
15、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 Drive, PO Bo
16、x C700, West Conshohocken, PA 19428-2959. United States13.1.8 Cross section (round, square, etc.),3.1.9 Type or UNS designation (Table 1),3.1.10 ASTM designation and date of issue, and3.1.11 Whether bars are to be rolled as bars or cut from strip or plate.3.1.12 Test for magnetic permeability when s
17、pecified by customer purchase order when ordering Types 201 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)Round, 10 to 12 ft (3.05 to 3.66 m) in length, Type 304, ASTM
18、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 the Mechanical Requirements table:4.1.1.1 Condition AAnnealed4.1.1.2 Condition HHardened and tempered at a relatively low temperature4.1.1.
19、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 severe cold work5. Chemical Composition5.1 The steel shall conform to the requirements for chemical composition specified in Table 1.5.2 Metho
20、ds and practices relating to chemical analysis required by this specification shall be in accordance with Test Methods,Practices, and Terminology A751.6. Mechanical Properties Requirements6.1 The material shall conform to the mechanical test requirements specified in Table 2.6.2 The martensitic grad
21、es 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 location midway between the surface and the center of the crosssection.7. Magnetic Permeability7.1 When required by the purchase order, th
22、e 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
23、 comply with the general requirements of Specification A484/A484M constitutes nonconformance to thisspecification.9. Certification9.1 Upon request of the purchaser in the contract or order, the producers certification that the material was manufactured andtested in accordance with this specification
24、, together with a certified report of the test results shall be furnished at the time of theshipment.10. Keywords10.1 austenitic stainless steel; austenitic-ferritic duplex stainless steel; ferritic stainless steel; martensitic stainless steel; stainlesssteel bars; stainless steel shapesA276 132TABL
25、E 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 23.525.5 6.07.0 0.180.25 Cu 0.75N08700 . . . 0.04 2.00 0.040 0.030 1.00 19.023
26、.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 . . . . . . FeJ 39.5 min.Cu 0.75Al 0.150.60Ti 0.150.60N08811 . . . 0.060.10 1.5
27、0 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 24.026.0 6.07.0 0.100.20 Cu 0.801.50N08926 . . . 0.020 2.00 0.030 0.015 0.50 1
28、9.021.0 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 0.040 0.040 2.54.5 16.521.0 6.010.0 0.502.50 0.050.25 . . .S20200 202 0.15 7.51
29、0.0 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 0.100.30,V 0.100.30S21800 . . . 0.10 7.09.0 0.060 0.030 3.54.5 16.018.0 8.09.0 . . .
30、 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 17.019.0 2.33.7 . . . 0.200.40 . . .S24100 XM-28 0.15 11.014.0 0.045 0.030 1.00 16.
31、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 0.030 2.003.00 17.019.0 8.010.0 . . . 0.10 . . .S30400 304 0.08 2.00 0.045 0.0
32、30 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 0.030 1.00 18.020.0 8.010.0 . . . 0.160.30 . . .S30453 304LN 0.030 2.00 0.045
33、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 0.045 0.030 1.00 19.021.0 10.012.0 . . . . . . . . .S30815 . . . 0.050.10 0.80 0.
34、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 0.08 2.00 0.045 0.030 1.00 22.024.0 12.016.0 . . . . . . Cb 10C-1.10S31000 31
35、0 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-1.10S31254 . . . 0.020 1.00 0.030 0.010 0.80 19.520.5 17.518.5 6.06.5 0.180.22 Cu 0.5
36、01.00S31400 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 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
37、.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 0.030 1.00 16.018.0 10.014.0 2.003.00 0.100.16 . . .S31653S31654316LN. . .0.0300.032.002.000.0450.0450.0300.0301.001.0016.018.016.018.010.013.010.013.02.003.002.003.0
38、00.100.160.160.30. . . . .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 1.00 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 . . .S31727 . . . 0.030 1.00 0.030 0.030 1.00 17.5
39、19.0 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 . . .A276 133TABLE 1 ContinuedUNSDesigna-tionBTypeComposition, %Carbon Manganese Phos-phorus Sulfur Silicon Chromium Nickel Molyb-denum Nitrogen Other ElementsS32100 321 0.08 2.00 0.045
40、0.030 1.00 17.019.0 9.012.0 . . . . . . Ti 5(C+N)-0.70DS32654 . . . 0.020 2.04.0 0.030 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 10C
41、1.10S34800 348 0.08 2.00 0.045 0.030 1.00 17.019.0 9.012.0 . . . . . . Cb 10C1.10,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
42、 0.040 0.030 1.00 21.022.0 1.351.70 0.100.80 0.200.25 Cu 0.100.80S32202 . . . 0.030 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
43、.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 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
44、.0 6.08.0 3.04.0 0.200.30 Cu 0.501.00W 0.501.00W 0.501.00S82441 . . . 0.030 2.54.0 0.035 0.005 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 . . .
45、 0.040 Cb 10(C+N)-0.80S42900 429 0.12 1.00 0.040 0.030 1.00 14.016.0 . . . . . . . . . . . .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
46、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 0.015G 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 Grad
47、esS40300 403 0.15 1.00 0.040 0.030 0.50 11.513.0 . . . . . . . . . . . .S41000 410 0.080.15 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 . . . . . . . . .S41
48、425 . . . 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 0.05 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 . . . . . . . . .S44002 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 0.95
