ASTM A295 PDF

ASTM A specification covers high-carbon bearing-quality steel to be used in the manufacture of anti-friction bearings. The most common. ASTM A 高碳耐磨轴承钢技术规范 – Designation: A – 98 Standard Speci?cation for High-Carbon Anti. ASTM A/AM Standard Specification for High-Carbon Anti-Friction Bearing Steel. standard by ASTM International, 10/01/ View all product details.

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Special requirements agreed to at the time of purchase shall be noted on the certi? Two thirds of all specimens and at least one from each ingot tested, or from the?

Other methods of sampling shall be as agreed upon between manufacturer and purchaser.

ASTM A295, High-Carbon Bearing Steel

Decarburization and surface imperfections shall not exceed the limits also specified herein. D Oxygen content applies to product analysis and shall be determined in accordance with Test Method E Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The magnetic particle method measures bearing steel cleanliness by evaluating the total length of macro-inclusions for a stated area or per unit area. Quality tests shown in 7. Sample Reduction Ratio S5. A number in parentheses indicates the year of last reapproval. The supplier shall be required to report results of the macroetch and micro-inclusion rating tests detailed below.

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When annealing is specified in the order, the steel shall adhere to hardness requirements and have a completely spheroidized microstructure, which shall accordingly be rated and reported as carbide size, carbide network, and lamellar content. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

The polished face shall be longitudinal to the direction of rolling. One ingot shall be taken at random from the?

ASTM A / AM – 14 Standard Specification for High-Carbon Anti-Friction Bearing Steel

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. Fields with sizes or numbers of all types of inclusions intermediate between con?

At least one sample shall be taken from each strand. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Magnetic Particle Method S3. Intentional additions of calcium or calcium alloys for deoxidation or inclusion shape control are not permitted unless speci?

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Tests may be made on smaller or larger sections by agreement between manufacturer and purchaser. This abstract is a brief summary of the referenced standard. Materials shall conform to chemical compositions as specified herein, and to physical size and shape as agreed upon between the manufacturer and purchaser.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. This standard has been approved for use by agencies of the Department of Defense. Historical Version s – view previous versions of standard. A — 98 Standard Speci? Qstm shall exhibit fine fracture grain size when quenched from normal austenitizing temperatures. Sizes, Shapes, and Dimensional Tolerances 6.

ASTM A / AM – 09 Standard Specification for High-Carbon Anti-Friction Bearing Steel

Where a single usable plate constitutes a heat, any three random ingots may be selected. Decarburization and Surface Imperfections 9.

Chemical Composition and Analysis 5. Originally published as A — 46 T.