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For (Withdrawn ). Withdrawn Standard: ASTM A/AM | Developed by Subcommittee: A WITHDRAWN, REPLACED BY A/ AM.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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Current edition approved Aug. It is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gauge. Conformance to SI tolerances is mandatory when the “M” specification is used.

This specification covers the general requirements for cold-rolled carbon spring steel strip in coils or cut lengths. Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. Active view current version of standard. The metric portions of the tables herein list permissible variations in dimensions and mass see Note 1 in SI metric units.

Note 1—The term weight sstm used when inch-pound units are the standard. Link to Active This link will always route to astn current Active version of the standard. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gage.

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

The metric portions of the tables herein list permissible variations in dimensions and mass see Note 1 in SI metric units. This specification covers adtm, high-carbon strip.

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However, unless the order specifies the applicable “M” specification designation SI unitsthe material shall be furnished to inch-pound units. On either hardness scale, a range of ten points arithmetic difference is required. It is furnished in the following types as specified:. The maximum of the specified carbon range is over 0. Hardness test and bend test shall be made to conform to the requirements specified.

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

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

It is furnished in the following types as specified: Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. It is produced to speci?

A number in parentheses indicates the year of last reapproval. The values listed are not exact conversions of the values listed in the inch-pound tables but instead are rounded or rationalized values. ID by 40 in. It is produced to a maximum Rockwell hardness. Within the text, the SI units are shown in brackets. If the maximum temper is under Rockwell B 15T93 or 30T82that scale should be used exclusively.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. It is produced to a maximum Rockwell hardness.

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This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Historical Version s – view previous versions of standard. A superscript epsilon e indicates an editorial change since the last revision or reapproval. It is furnished in the following types as specified: Refer to Table 1 for appropriate scale testing requirements.

It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gauge. 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.

It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gage. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract asrm accurate, complete or up to date. It is normally produced to give the lowest maximum Rockwell hardness for each grade.

It is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type. The values listed are not exact conversions of the values listed in the inch-pound tables but instead are rounded or rationalized values.

This abstract is a brief summary of the referenced standard. OD maxNo.

The minimum hardness should be established between the consumer and the producer.