ASTM A684 PDF

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For (Withdrawn ). Withdrawn Standard: ASTM A/AM | Developed by Subcommittee: A WITHDRAWN, REPLACED BY A/ AM.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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Within the text, the SI units are shown in brackets. The values listed are not exact conversions of the values listed in the inch-pound tables but instead are rounded or rationalized values.

Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Combining values from the two systems may result in non-conformance with the standard. B These bend tests apply to the bending performance of test specimens only.

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

It is furnished in the following types as specified:. Where material is to be bent in fabricating operations a more liberal bend q684 may be required and should be based on prior experience or consultation with the steel producer, or both. Active view current version of standard. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gage.

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The maximum of the specified carbon range is over 0. Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. 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. The metric portions of the tables herein list permissible variations in dimensions and mass see Note 1 in SI metric units. The values listed are not exact conversions of the values listed in the inch-pound tables but instead are rounded or rationalized values.

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

However, under SI the preferred term in mass. The maximum of the specified carbon range is over 0. Last previous edition A — 81e1. Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. On either hardness scale, a range of ten points arithmetic difference is required. It is furnished in the following types as specified: The edges of the bend test specimens shall be rounded and free of burrs;?

NOTE 1—A typical ordering description is as follows: Link to Active This link will always route to the current Active version of the standard. Refer to Table 1 for appropriate scale testing requirements. This standard is subject to adtm at any time by the responsible technical committee and must be reviewed every?

Combining values from the two systems will result in nonconformance with the specification. It is normally produced to give the lowest maximum Rockwell hardness for each x684.

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The minimum hardness should be established between the consumer and the producer. It is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type.

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. 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. Link to Active This link will always route to the current Active version of the standard.

Strip is classified as product that is 0.

This standard has been approved for use by agencies of the Department of Defense. Combining values from the two systems may result in non-conformance with the standard. Any visible cracking on the tension side of the bend portion shall be cause for rejection.

ASTM A / AM – 12 Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled

The term weight is used when inch-pound units are the standard. Hardness test and bend test shall be made to conform to the requirements specified.

The maximum hardness limit and the corresponding minimum shall be speci? The metric portions of the tables herein list permissible variations in dimensions and mass see Note 1 in SI metric units.

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