ASTM A684 PDF

For (Withdrawn ). Withdrawn Standard: ASTM A/AM | Developed by Subcommittee: A WITHDRAWN, REPLACED BY A/ AM. This standard is issued under the fixed designation A /A M; the NOTE 1 —A typical ordering description is as follows: ASTM A Annealed Spring Steel Chemical Composition. ASTM A Alloy, Rockwell ( approx), Carbon, Manganese, Phosphorus (max), Sulfur (max), Silicon. , B-

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It is normally produced to give the lowest maximum Rockwell hardness for each grade. OD maxNo. Link to Active This link will always route to the current Active version of the standard. The minimum hardness should be established between the consumer and the producer. It is produced to a maximum Rockwell hardness. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

It is normally produced to give the lowest maximum Rockwell hardness for each grade. If the maximum temper is under Rockwell B 15T93 or 30T82that scale should be used exclusively. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gage.

It is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type. Historical Version s – view previous versions of standard.

Combining values from the two systems will result in nonconformance with the specification. It is furnished in the following types as specified: The strip shall be furnished cold rolled spheroidized annealed, soft annealed, intermediate hardness, or full hard, as specified. ID by 40 in.

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Link to Active This link will always route to the current Active version of the standard. Note 1—The term weight is used when inch-pound units are the standard. The edges of the bend test specimens shall be rounded and free of burrs;? Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both.

Referenced Documents a6844 separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Refer to Table 1 for appropriate scale testing requirements.

Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Strip is classified as product that is 0. Q684 is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type.

The term weight is used when inch-pound units are the standard. It is produced to a maximum Rockwell hardness. B These bend tests apply to the bending performance of test specimens only.

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The values listed are not exact conversions of the values listed in the inch-pound tables but instead are rounded or rationalized values.

Your comments are invited either for revision of this standard or for additional standards asstm should be addressed to X684 Headquarters. These ratios apply to bending performance of the test specimen. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. NOTE 1—A typical ordering description is as follows: Any visible cracking on the a84 side of the bend portion shall be cause for rejection.

ASTM A / AM – 06 Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled

Combining values from the two systems may result in non-conformance with the standard. Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. The maximum of the specified carbon range is over 0. Within the text, the SI units are shown in brackets. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gage.

Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both.