ASTM A Standard Specification for Carburizing Steels for Anti-Friction Bearings. standard by ASTM International, 10/01/ View all product details. ASTM A Standard Specification for Carburizing Steels for Anti-Friction Bearings. ASTM A – Designation: A – 01 Standard Speci?cation for Carburizing Steels for Anti-Frict.
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Tests may be made on smaller or larger sections by agreement with the purchaser. Permissible variations in product analysis shall be in accordance with Speci? A — 01 Standard Speci?
ASTM A534 Rods, Application: Manufacturing, Construction, School/College Workshop
Users of this standard are expressly aetm that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Other methods of sampling shall be as agreed upon by manufacturer and purchaser. Decarburization shall be measured using the microscopical methods described in Test Methods E The sum of all lengths for each specimen shall be determined and expressed as total length per area inspected.
Decarburization and Surface Imperfections Intentional additions of calcium or calcium alloys for deoxidation or inclusion shape control are not permitted unless speci? The average total length per area inspected of all six specimens shall be agreed upon between manufacturer and purchaser. The magnetic particle method measures bearing steel cleanliness by evaluating the total length of macro-inclusions for a stated area or per unit area. Last previous edition A — This abstract is a brief summary of the referenced standard.
The chemical composition thus determined shall conform to the requirements speci? Materials and Manufacture 4. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. The method used shall be agreed upon between the purchaser and the steel supplier at the time of inquiry and order.
ASTM A – 17 Standard Specification for Carburizing Steels for Anti-Friction Bearings
The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Originally published as A — Link to Active This link will always route to the current Active version of the standard.
A number in parentheses indicates the year of last reapproval. Fields with sizes or numbers of all types of inclusions intermediate between con? This specification covers standards for carburizing steels to be used atsm anti-friction bearings.
The sample shall be hardened and in the as-quenched condition. One ingot shall be taken at random from the? Special requirements agreed to at the time of purchase must be noted on the certi? Sulfur Requirement for Machinability S8. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
Individual reprints single or multiple copies of this standard may be obtained by astj ASTM at the above address or at phonefaxor service astm.
All tests and inspections shall be made at the place of manufacture, unless otherwise agreed upon. ASTM does not give any warranty express or implied or make any representation that the contents zstm this abstract are accurate, complete or up to date. Grain size and hardenability requirements shall be followed. Ball and Roller Bearing Steels 3. Dimensions, Mass, and Permissible Variations 6. A minimum 3 aatm 1 reduction of rolled billets or forged sections is required for strand cast products.
Your comments are invited either for revision of this standard or for additional standards and should be w534 to ASTM International Headquarters. ISO Part The supplier shall be required to report on the results of the macroetch and micro-inclusion rating tests detailed below. Materials shall adhere to inclusion ratings set for thin and heavy series. When two usable plates constitute a heat, two of the sample ingots shall be selected from the second usable ashm poured.
The number and location of samples shall be by agreement between the purchaser and manufacturer. This standard has been approved for use by agencies of the Department of Defense. At least one sample shall be taken from each strand. Historical Version s – view previous versions of standard. The polished face shall be longitudinal to the direction of rolling.
ASTM A – 01 Standard Specification for Carburizing Steels for Anti-Friction Bearings
ASTM International takes no position respecting the validity of any patent rights asserted satm connection with any item mentioned in this standard. Chemical Composition and Analysis 5.
Quality tests shown in 7. Two thirds of all specimens and at least one from each ingot tested, or from the? Where a single usable awtm constitutes a heat, any three random ingots may be selected. Sample Reduction Ratio S9. Current edition approved Dec. Magnetic Particle Method S4. This standard is subject to revision at any time by the responsible technical committee asfm must be reviewed every? Decarburization and surface imperfections of hot-rolled, cold-finished, or annealed bars and tubes shall not exceed specified limits as measured through microscopical methods.
When so included, a supplementary requirement shall have the same force as if it were in the body of the speci? A superscript epsilon e indicates an editorial change since the last revision or reapproval.