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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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Two thirds of all specimens and at least one from each ingot tested, or from the? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

The magnetic particle method measures bearing steel cleanliness by evaluating the total length of macro-inclusions for a stated area or per unit area. Materials shall conform to carbon, manganese, phosphorus, sulfur, chromium, nickel, molybdenum, copper, oxygen, and aluminum contents. Tests may be made on smaller or larger sections by agreement with the purchaser.

Current edition approved Dec. This abstract is a brief summary of the referenced standard.

ASTM A – 17 Standard Specification for Carburizing Steels for Anti-Friction Bearings

The chemical composition thus determined shall conform to the requirements speci? Sulfur Requirement for Machinability S8. Last previous edition A — The average total length per area inspected of all six specimens shall be agreed upon between manufacturer and purchaser.

D Oxygen content applies to product analysis and shall be determined in accordance with Test Methods E Magnetic Particle Method S4. 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. Historical Version s – view previous versions of standard.

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ASTM A Rods, Application: Manufacturing, Construction, School/College Workshop | ID:

Grain size and hardenability requirements shall be followed. A minimum 3 to 1 reduction of rolled billets or forged sections is required for strand cast products. This specification covers standards for carburizing steels to be used in anti-friction bearings. Decarburization and Surface Imperfections Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

When two usable plates constitute a heat, two of the sample ingots shall be selected from the second usable plate poured. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Chemical Composition and Analysis 5. Where a single usable plate constitutes a axtm, any three random ingots may be selected. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

This standard has been approved for use by agencies of the Department of Defense. All tests and inspections shall be made at the place of manufacture, unless otherwise agreed upon. Intentional additions of calcium or calcium alloys for deoxidation or inclusion shape wstm are not permitted unless speci? A superscript epsilon e indicates an editorial change since the last revision or reapproval. Link to Active This link will always route to the current Active version of the standard.

ASTM A534 Rods, Application: Manufacturing, Construction, School/College Workshop

Special requirements agreed to at the time of purchase must be noted on the certi? Micro-hardness measurements are to be taken using loads of g asgm higher. A number in parentheses indicates the year of last reapproval. 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.


Other compositions may be speci? Materials shall adhere to inclusion ratings set for thin and heavy series. Materials and Manufacture 4. A5534 supplier shall be required to report on the results of the macroetch and micro-inclusion rating tests detailed below. Fields with sizes or numbers of all types of inclusions intermediate between con?

One ingot shall be taken at random from the? ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. The sample shall be hardened and in the as-quenched condition. At least one sample shall be taken from each strand.

Permissible variations in product analysis shall be in accordance with Speci? The sum of all lengths for each specimen shall be determined asrm expressed as total length per area inspected.

Ball and Roller Bearing Steels 3. Awtm number and location of samples shall be by agreement between the purchaser and manufacturer. The method used shall asym agreed upon between the purchaser and the steel supplier at the time of inquiry and order. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Decarburization shall be measured using the microscopical methods described in Test Methods E Individual reprints single or multiple copies of satm standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

A — 01 Standard Speci?