ASTM A534 PDF

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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Other methods of sampling shall be as agreed upon by manufacturer and purchaser. The number and location of samples shall be by agreement between the purchaser and manufacturer. Quality tests shown in 7. This specification covers standards for carburizing steels to be used in anti-friction bearings.

Decarburization and Surface Imperfections 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. At least one sample shall be taken from each strand. ASTM International takes no position respecting the validity of any patent rights wstm in connection with any item mentioned in this standard.

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

D Oxygen content applies to product analysis and shall be determined in accordance with Test Methods E Decarburization shall be measured using the microscopical methods described in Test Methods E This abstract is a brief summary of the referenced standard. ISO Part Materials shall adhere to inclusion ratings set for thin and heavy series.

A — 01 Standard Speci? The chemical composition thus determined shall conform to the requirements speci? Materials and Manufacture 4. Originally published as A — The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. 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. Individual reprints single ashm multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Intentional additions of calcium or calcium alloys for deoxidation or inclusion shape control are not permitted unless speci?

When so included, a supplementary requirement shall have the same force as if it were in the body of the speci? Sample Reduction Ratio S9.

If you feel that your comments have not received a fair hearing you should make z534 views known to the ASTM Committee on Standards, at the address shown below. The sample shall asttm hardened and in the as-quenched condition. 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. Other compositions may be speci?

A minimum 3 to 1 reduction of rolled billets or forged sections is required for strand cast products. Historical Version s – view previous versions of standard. Where a single usable plate constitutes a heat, any three random ingots may be selected. Micro-hardness measurements are to be taken using loads of g or higher. Special requirements agreed to at the time of purchase must be noted on the certi?

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Dimensions, Mass, and Permissible Variations 6. Decarburization and surface imperfections of hot-rolled, cold-finished, or annealed bars and tubes shall not exceed specified limits as measured through microscopical methods.

The method used aa534 be agreed upon between the purchaser and the steel supplier at the time of inquiry and order.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Ball and Roller Bearing Steels 3.

ASTM A534 Grade 4320H

When two usable plates constitute a heat, two of the sample ingots shall be selected from the second usable plate poured. It is informational only and not an official part of the standard; the full text of a53 standard itself must be referred to for its use and application.

One ingot shall be taken at random from the? The supplier shall be required to report on the atm of the macroetch and micro-inclusion rating tests detailed below.

Current edition approved Dec. Grain size and hardenability requirements shall be followed. Tests may be made on smaller or larger sections by agreement with the purchaser.