|Published (Last):||28 May 2013|
|PDF File Size:||12.87 Mb|
|ePub File Size:||3.4 Mb|
|Price:||Free* [*Free Regsitration Required]|
A superscript epsilon e indicates an editorial change since the last revision or reapproval. Scope 2. Stainless Steel Bars, Billets, and Forgings4 1. The SI units are shown in Screws5 brackets within the text and tables. The values stated in each A Practices for Packaging, Marking, and Loading system are not exact equivalents, therefore, each system shall Methods for Steel Products for Domestic Shipment2 be used independently of the other.
Combining values from the A Test Methods, Practices, and Terminology for two systems may result in nonconformance with the specifi- Chemical Analysis of Steel Products3 cation. The latest issue shall apply unless E Test Method for Microhardness of Materials6 otherwise specified. Published May Terminology condition, of the same size, subjected to the same heat 3.
See Specification reduction cold work , finish and size. Ordering Information segments to be manufactured into bolts, screws, studs, washers, 4. Examples of such information include, but are responsible for the conformance and marking of the product to not limited, to the following: the specification requirements.
May also apply to work hardened condition or product specification, strength level, or both. Melting Process portion of the fastener whose body diameter is approximately 5. Use of the basic 3. Floor, New York, NY The steel the ordered grade s to the extent that it then conforms to the producer shall remove the transition material by an established requirements of another grade for which that element is a procedure that positively separates the grades.
Should the specified element having a required minimum content. Mechanical Properties the purchaser shall invoke Supplementary Requirement S Heat treatment shall be com- graphs of Method E S4—R4—C4 or equivalent as agreed pleted prior to removal of material for mechanical testing. Distinct zones of solidification shall not be present. Materials and Manufacture reduction and working as the production forging they repre- 6. Finish hot same conditions as the production forging, and be of the same or cold, ground, rough turned, drawn, etc.
Impact tests are not 7. If secondary melting processes are employed, the heat have been subjected to heat treatment, or when the nominal analysis shall be obtained from one remelted ingot or the thread size falls into a different diameter range than that of the product of one remelted ingot of each primary melt. The starting bar as shown in the applicable specifications, then tests chemical analysis thus determined shall conform to the require- shall be run on material taken from those fasteners.
Product analysis 8. Hardness Requirements or from broken mechanical test specimens. The chemical 9. When multiple samples are taken from the same lot conflict exists relative to minimum strength unless otherwise for product analysis individual elements shall not vary both specified in the product specification.
Tensile Requirements 8. Steels with intentional prescribed in the product specification. ANSI B1. Hex Series shall be used. In addition nuts shall either be double Impact Requirements chamfered or have a machined or forged washer face, at the option of the manufacturer, and shall conform to the angularity The longi- The notch shall be located 2B fit.
The base of the notch shall be as nearly as specified on the purchase order. Decarburization Workmanship, Finish, and Appearance The edge of shall be flat and chamfered or rounded at the option of the the specimen shall be suitably prepared to preserve the original manufacturer. The length of the point on studs and stud bolts heat treated surface. Bolts, studs, and bolting material shall be capable [0. F M.
The depth of decarburization is denoted by that series, should be used, except the maximum body diameter and radial depth where the hardness decrease is more than the radius of fillets may be the same as for the heavy hex bolt equivalent of three points HRA, when compared to the average series.
Number of Tests applicable metric series. The number of machined specimens or full size fasteners tested Certification 50 and less 2 In addition, the certification shall include the ers Produced as Defined in 8.
The supplier shall pro- Machining Threads is Within 0. The content of the EDI transmitted shall be as shown in Product Marking by the purchaser or the individual product specification. Retesting shall be Each This includes the removal of the name or symbol of the previous certifying organization.
Inspection Packaging, Package Marking and Loading for Site in accordance with Practices A Keywords Rejection and Rehearing nuts, steel; pressure vessel service; steel bars, alloy; steel bars, Product Marking under a microscope at X using a measuring eyepiece S There shall be no gross all sizes. The minimum stress relieving temperature a gf load, or a Knoop indenter and a gf load. Tests measurements at the minor diameter on the thread crest for mechanical properties shall be performed after stress bisector to determine the base metal hardness.
On the same or relieving. Heat Analysis mm below the thread root. These two hardness readings shall S The S Magnetic Particle Examination chemical analysis thus determined shall conform to the require- ments of the individual product specification. Acceptance criteria shall be in accordance S Liquid Penetrant Examination separated by an established procedure such that intermix S Acceptance criteria shall be in accordance with S Service S Acceptance Criteria S A linear indication is tion.
A S Positive Material Identification Examination S This examina- S Methods E 3. Use either optical or microhardness measure- S In case of dispute, the microhard- S Examine the surface of the etched sample shall be agreed upon between the manufacturer and purchaser. Test data from a quirements subject to the following conditions: minimum of three test lots, as defined by the specification, each A1.
The American Society for Testing and Materials 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 five 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 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. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phone , fax , or service astm. Related Papers.
The SI units are shown in brackets within the text and tables. The values stated in each system are not exact equivalents, therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units shall apply unless the "M" designation of the product specification is specified in the order. Your Alert Profile lists the documents that will be monitored.
ASTM D ASTM D ASTM F A number in parentheses indicates the year of last reapproval.
Historical Version s - view previous versions of standard. Work Item s - proposed revisions of this standard. More A This specification covers a group of common requirements that shall apply to carbon, alloy, and stainless steel fasteners or fastener materials, or both.