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Designation: A 314 97 (Reapproved 2002) Standard Specifi cation for Stainless Steel Billets and Bars for Forging1 This standard is issued under the fi xed designation A 314; 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 (e) 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 specifi cation covers stainless steel billets and bars intended only for forging. 2. Referenced Documents 2.1 ASTM Standards: A 484/A 484M Specifi cation for General Requirements for Stainless Steel Bars, Billets and Forgings2 A 751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products3 E 527 Practice for Numbering Metals and Alloys (UNS)4 2.2Other Document: SAE J1086 Recommended Practice for Numbering Metals and Alloys5 3. Ordering Information 3.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under this specifi cation. 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: type or UNS designation (Table 1), 3.1.3 Condition, 3.1.4 Cross section (round, round-cornered square, etc.), 3.1.5 Form: bar or forging billet, 3.1.6 Applicable dimensions, including size, thickness, width, and length, 3.1.7 ASTM designation and date of issue, 3.1.8 Preparation for delivery (see Specifi cation A 484/ A 484M), 3.1.9 Marking (see Specifi cation A 484/A 484M), and 3.1.10 Exceptions to the specifi cation or special require- ments. 3.2 If possible, the intended use of the item should be given on the purchase order especially when the item is ordered for a specifi c end use or uses. NOTE1A typical ordering description is as follows: 10 000 lb, Type 420, annealed, round-cornered square billets, ASTM A 314 dated for valve parts. 4. Manufacture 4.1 Annealing 4.1.1 Blooms and billets of the 400 series of stainless steel types which are highly hardenable, such as Types 414, 420, 431, 440A, 440B, and 440C, are commonly annealed prior to shipment and so specifi ed in order to avoid the possibility of thermal cracking. Those grades are not normally furnished in the as-rolled or as-forged condition. Other hardenable grades, such as Types 403, 410, 416, and 416 Se, which may also require annealing, depending on their composition and size, are furnished suitable for cold cutting when so specifi ed on the purchase order. 4.2 Conditioning 4.2.1 Material may be conditioned by chipping or grinding to remove injurious surface defects provided the depth of conditioning does not exceed that which will affect the surface condition or dimensions of the article to be forged from the bar or billet. 5. Chemical Composition 5.1 The steel shall conform to the chemical composition prescribed in Table 1 for the respective grades. 5.2 Methods and practices relating to chemical analysis required by this specifi cation shall be in accordance with Test Methods, Practices, and Terminology A 751. 6. Dimensions 6.1 Billets and bars shall conform to the shape and dimen- sions specifi ed by the purchaser within a permissible variation of 65 %. 1 This specifi cation is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel, and RelatedAlloys, and is the direct responsibility of Subcommittee A01.17 on Flat Stainless Steel Products. Current edition approved Sept. 10, 1997. Published September 1998. Originally published as A 314 47 T. Last previous edition A 314 95. 2Annual Book of ASTM Standards, Vol 01.05. 3Annual Book of ASTM Standards, Vol 01.03. 4Annual Book of ASTM Standards, Vol 01.01. 5Available from Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096. 1 Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States. 7. General Requirements 7.1 In addition to the requirements of this specifi cation, all requirements of the current edition of Specifi cation A 484/ A 484M shall apply. Failure to comply with the general requirements of Specifi cation A 484/A 484M constitutes non- conformance with this specifi cation. 8. Keywords 8.1 austenitic stainless steel; austenitic-ferritic duplex stain- less steel;ferritic stainless steel; martensitic stainless steel; stainless steel bars; stainless steel billets TABLE 1Chemical Requirements UNS Desig- nationA Type Number Chemical Composition, %B Carbon Man- ganese, Phos- phorus, Sulfur,Silicon,ChromiumNickel Molyb- denum Nitrogen Other Elements Austenitic Grades S20161. . .0.154.006.000.0400.0403.004.0015.0018.004.006.00. . .0.080.20. . . S202002020.157.5010.000.0600.0301.0017.0019.004.006.00. . .0.25. . . S20910XM-190.064.006.000.0400.0301.0020.5023.5011.5013.501.503.000.200.40 Cb 0.100.30 V 0.100.30 S21800. . .0.107.009.000.0600.0303.504.5016.0018.008.009.00. . .0.080.18. . . S21900XM-100.088.0010.000.0600.0301.0019.0021.505.507.50. . .0.150.40. . . S21904XM-110.048.0010.000.0600.0301.0019.0021.505.507.50. . .0.150.40. . . S24000XM-290.0811.5014.500.0600.0301.0017.0019.002.253.75. . .0.200.40. . . S24100XM-280.1511.0014.000.0600.0301.0016.5019.000.502.25. . .0.200.45. . . S28200. . .0.1517.0019.000.0450.0301.0017.0019.00. . .0.751.250.400.60. . . S302003020.152.000.0450.0301.0017.0019.008.0010.00. . .0.10. . . S30215302B0.152.000.0450.0302.003.0017.0019.008.0010.00. . . . . S303003030.152.000.200.15 min1.0017.0019.008.0010.00. . . . . S30323303Se0.152.000.200.061.0017.0019.008.0010.00. . . .Se 0.15 min S304003040.082.000.0450.0301.0018.0020.008.0010.50. . .0.10. . . S30403304L0.0302.000.0450.0301.0018.0020.008.0012.00. . .0.10. . . S305003050.122.000.0450.0301.0017.0019.0010.5013.00. . . . . S308003080.082.000.0450.0301.0019.0021.0010.0012.00. . . . . S309003090.202.000.0450.0301.0022.0024.0012.0015.00. . . . . S30908309S0.082.000.0450.0301.0022.0024.0012.0015. . . . . S30940309Cb0.082.000.0450.0301.0022.0024.0012.0016.00. . . .Cb + Ta 10 3 C S310003100.252.000.0450.0301.5024.0026.0019.0022.00. . . . . S31008310S0.082.000.0450.0301.5024.0026.0019.0022.00. . . . . S314003140.252.000.0450.0301.503.0023.0026.0019.0022.00. . . . . S316003160.082.000.0450.0301.0016.0018.0010.0014.002.003.000.10. . . S31603316L0.0302.000.0450.0301.0016.0018.0010.0014.002.003.000.10. . . S31635316Ti0.082.000.0450.0301.0016.0018.0010.0014.002.003.00. . .Ti 5 3 (C+N) min; 0.70 S31640316Cb0.082.000.0450.0301.0016.0018.0010.0014.002.003.00. . .Cb + Ta 10 3 C min; 1.10 S317003170.082.000.0450.0301.0018.0020.0011.0015.003.004.000.10 S321003210.082.000.0450.0301.0017.0019.009.0012.00. . . .Ti 5 3 C min S33228. . .0.040.081.000.0200.0150.03026.0028.0031.0033.00. . . .Cb 0.61.0 Ce 0.050.10 Al 0.025 S347003470.082.000.0450.0301.0017.0019.009.0013.00. . . .Cb + Ta 10 3 C min S348003480.082.000.0450.0301.0017.0019.009.0013.00. . . .Cb + Ta 10 3 C min; Ta 0.10 S38031. . .0.0152.00.0200.0100.326.028.030.032.06.07.00.150.25 Cu 1.01.5 S38926. . .0.0202.000.030.010.519.0021.0024.0026.006.07.00.150.25 Cu 0.51.5 Austenitic-Ferritic Grades S32760C. . .0.0301.000.0300.0101.0024.0026.006.008.003.004.000.200.30Cu 0.501.00 W 0.501.00 S32950. . .0.032.000.0350.0100.6026.0029.003.505.201.002.500.150.35. . . Ferritic Grades S429004290.121.000.0400.0301.0014.0016.00. . . . . . S430004300.121.000.0400.0301.0016.0018.00. . . . . . S43020430F0.121.250.060.15 min1.0016.0018.00. . .0.60D. . . . S43023430F Se0.121.250.060.061.0016.0018.00. . . . .Se 0.15 min S446004460.201.500.0400.0301.0023.0027.00. . . .0.25. . . S44625XM-27E0.0100.400.0200.0200.4025.0027.500.500.751.500.015. . . A 314 97 (2002) 2 TABLE 1Continued UNS Desig- nationA Type Number Chemical Composition, %B Carbon Man- ganese, Phos- phorus, Sulfur,Silicon,ChromiumNickel Molyb- denum Nitrogen Other Elements Martensitic Grades S403004030.151.000.0400.0300.5011.5013.00. . . . . . S410004100.151.000.0400.0301.0011.5013.50. . . . . . S414004140.151.000.0400.0301.0011.5013.501.252.50. . . . . S41425. . .0.050.501.000.0200.0050.5012.015.04.07.01.502.000.060.12Cu 0.30 S416004160.151.250.060.15 min1.0012.0014.00. . .0.60D. . . . S41623416Se0.151.250.060.061.0012.0014.00. . . . .Se 0.15 min S420004200.15 min1.000.0400.0301.0012.0014.00. . . . . . S42010. . .0.150.301.000.040.031.0013.5015.000.350.850.400.85. . . . S431004310.201.000.0400.0301.0015.0017.001.252.50. . . . . S44002440A0.600.751.000.0400.0301.0016.0018.00. . .0.75. . . . S44003440B0.750.951.000.0400.0301.0016.0018.00. . .0.75. . . . S44004440C0.951.201.000.0400.0301.0016.0018.00. . .0.75. . . . S501005010.10 min1.000.0400.0301.004.006.00. . .0.400.65. . . . S502005020.101.000.0400.0301.004.006.00. . .0.400.65. . . . ANew designation established in accordance with Practice E 527 and SAE J1086. BMaximum unless otherwise indicated. C% Cr + 3.3 3 % Mo + 16 3 % N $ 40. DAt the option of the manufacturer. ENickel plus copper combined; 0.50 max. Product analysis tolerance over the maximum limit for carbon and nitrogen to be 0.002 %. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights
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