【ASTM标准】A 565 – 03;QTU2NS0WM0E_

Designation: A 565 03a Standard Specifi cation for Martensitic Stainless Steel Bars for High-Temperature Service1 This standard is issued under the fi xed designation A 565; 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 hot-fi nished and cold-fi nished martensitic chromium steel bars for high-temperature service. The mechanical properties are developed by suitable heat treatment, as indicated for each alloy. 1.2 Where strength at temperature is a factor, these steels are generally limited to a maximum service temperature of 1200F 649C. For oxidation (scaling) resistance and at low stresses, these steels are useful to 1450F 788C. 1.3 The values stated in inch-pound units are to be regarded as the standard. 2. Referenced Documents 2.1 ASTM Standards: A 370 Test Methods and Defi nitions for Mechanical Testing of Steel Products2 A 484/A 484M Specifi cation for General Requirements for Stainless Steel Bars, Billets, and Forgings3 A 751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products2 E 527 Practice for Numbering Metals and Alloys (UNS)4 2.2Other Documents: SAE J1086 Recommended Practice for Numbering Metals and Alloys (UNS)5 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 (martensitic stainless steel); 3.1.3 Form (bar, etc.); 3.1.4 Condition; 3.1.5 Finish; 3.1.6 Size, or applicable dimension including diameter, thickness, width, length, etc.; 3.1.7 Grade designation (Table 1); and 3.1.8 ASTM designation number and date of issue. 4. General Requirements 4.1 Product furnished to this specifi cation shall conform to the requirements of Specifi cation A 484/A 484M, including any supplementary requirements indicated in the purchase order. Failure to comply with the general requirements of Specifi cation A 484/A 484M constitutes nonconformance with this specifi cation. In case of confl ict between the requirements of this specifi cation and Specifi cation A 484/A 484M, this specifi cation shall prevail. 5. Manufacture 5.1 Heat Treatment: 5.1.1 The product forms covered in this specifi cation may be furnished in one of the following conditions: Condition AAnnealed, Condition THeat treated (for machining), Condition HTHeat treated (for high-temperature service), or Condition HHeat treated. 5.2 Condition and Finish: 5.2.1 Bars may be furnished in one of the following hot-fi nished conditions: Hot rolled, or Rough turned (rounds only). 5.2.2 Bars may be furnished in one of the following cold-fi nished conditions: Cold drawn, Centerless ground (rounds only), or Polished (rounds only). 1 This specifi cation is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee A01.17 on Flat-Rolled and Wrought Stainless Steel. Current edition approved April 10, 2003. Published May 2003. Originally approved in 1966. Last previous edition approved in 2003 as A 565 03. 2Annual Book of ASTM Standards, Vol 01.03. 3Annual Book of ASTM Standards, Vol 01.05. 4Annual Book of ASTM Standards, Vol 01.01. 5Available from Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096. 1 *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. NOTICE: This standard has either been superceded and replaced by a new version or discontinued. Contact ASTM International () for the latest information. 6. Chemical Requirements 6.1 Each alloy covered by this specifi cation shall conform to the chemical composition specifi ed in Table 1. 6.2 Methods and practices relating to chemical analysis required by this specifi cation shall be in accordance with Test Methods, Practices, and Terminology A 751. 7. Metallurgical Requirements 7.1 The microstructure shall not contain more than 5 % delta-ferrite after full heat treatment as described in Table 2. 8. Mechanical Properties Requirements 8.1 The material shall conform to the mechanical properties listed in Table 3 for the ordered condition. 8.2 Material furnished in Condition A or T shall be capable of developing the room-temperature properties specifi ed for Condition HT when subjected to heat treatment as specifi ed in Table 2. 8.3 The yield strength shall be determined by the offset method as described in the current edition of Test Methods and Defi nitions A 370. 8.4 The impact strength shall be determined at 70 to 80F 21 to 27C, by Charpy V-notch specimen TypeAas described in Test Methods and Defi nitions A 370. 9. Keywords 9.1 martensitic stainless steel; stainless steel bars; stainless steel billets; stainless steel forgings; temperature service applicationshigh TABLE 1Chemical Requirements GradeUNS Desig- nationA CarbonMan- ganese Phos- phorus SulfurSiliconChromiumNickelMolyb- denum Vana- dium TungstenNitrogenAlumi- num Colum- bium Copper XM-32S64152 0.080.15 0.500.900.025 max 0.025 max 0.35 max 11.0012.50 2.003.00 1.502.00 0.250.40. . .0.010.05. . . . . . . .S41041 0.130.18 0.400.600.030 max 0.030 max 0.50 max 11.5013.00 0.50 max0.20 max. . . . .0.05 max 0.15 0.45 . . . . . .S414250.05 max 0.501.00 0.02 max0.005 max 0.50 max 12.0015.00 4.007.00 1.502.00. . . .0.060.12. . . .0.30 max 615S41800 0.150.20 0.50 max0.040 max 0.030 max 0.50 max 12.0014.00 1.802.20 0.50 max. . .2.503.50. . . . . . 616S42200 0.200.25 0.501.000.025 max 0.025 max 0.50 max 11.0012.50 0.501.00 0.901.25 0.200.30 0.901.25. . . . . . 619S42300 0.270.32 0.951.350.025 max 0.025 max 0.50 max 11.0012.00 0.50 max 2.503.00 0.200.30. . . . . . . ANew designation established in accordance with Practice E 527 and SAE J1086. Editorially corrected. TABLE 2Heat Treatment NOTE 1 If straightened, a stress-relieving treatment is necessary. Stress-relieving temperature should be 50F 28C below the fi nal tempering temperature. NOTE2Air or oil quenching depends on section size; heavier sections, approximately 3 in. 76.2 mm or greater, should be oil quenched. Suitable synthetic quenchants may be substituted for oil. GradeUNS DesignationAConditionHeat Treatment 615S41800HT1800 to 1850 F 981 to 1008 C, quench in air or oil and double temper at 1150 F 620 C min for 2 h min for each tempering treatment. . . .S41425HT1700 to 1800 F 925 to 981 C, quench in air and temper at 1100 F min for 1 h, min, per inch thickness. 616S42200HT1875 to 1925 F 1022 to 1050 C, quench in air or oil and temper at 1150 F 620 C min for 2 h min. H1875 to 1925 F 1022 to 1050 C, quench in air or oil and temper at 1250 F 677 C min for 2 h min. 619S42300HT1875 to 1925 F 1022 to 1050 C, quench in air or oil and temper at 1150 F 620 C min for 2 h min. XM-32K64152HT1825 to 1875 F 995 to 1022 C, quench in air or oil and temper at 1050 F 565 C min for 2 h min. . . .S41041HT2075 to 2125 F 1136 to 1163 C for 2 h min, quench in air or oil and temper at 1250 F 677 C min for 2 h min. ANew designation established in accordance with Practice E 527 and SAE J1086. A 565 03a 2 NOTICE: This standard has either been superceded and replaced by a new version or discontinued. Contact ASTM International () for the latest information. SUPPLEMENTARY REQUIREMENTS The following supplementary requirements shall apply only when specifi ed by the purchaser in the inquiry, contract, and order. Details of these supplementary requirements shall be agreed upon by the manufacturer and purchaser. Non-Destructive ExaminationGrade D S1.1MethodEach bar shall be subjected to NDE. The method used shall be: Eddy Current (ET), Magnetic Particle (MPI wet or dry), Liquid Penetrant (LPI), or Ultrasonic (UT), at the option of the vendor unless otherwise indicated in the purchase order. S1.2Acceptance CriteriaFor LPI or MPI, linear indica- tions (those indications longer than 116in. with a length greater than three times their width) are unacceptable. For UT or ET, reject levels for linear indications shall be based on the alarm response from a 0.012-in. maximum deep surface notch in a calibration bar. SUMMARY OF CHANGES This section identifi es the location of selected changes to this standard that have been incorporated since the A 565-02 issue. For the convenience of the user, Committee A01 has highlighted those changes that impact the use of this standard. This section may also include descriptions of changes or reasons for changes, or both. (1) Revised title and deleted requirements relative to produc- tion of forgings and forging stock. These are now covered in Specifi cation A 1021. (2) Revised and moved General Requirements section to com- ply with Guide A 994. (3) Added Supplemental Requirement S1. 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, are entirely their own responsibility. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every fi ve years and if not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States. 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), 610-832-9555 (fax), or (e-mail); or through the ASTM website (). TABLE 3Mechanical Property RequirementsA Grade UNS DesignationB Condition Tensile Strength min, ksi MPa Yield Strength, min, 0.2 % Offset, ksi MPa Elongation in 2 in.