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For (Withdrawn ). Withdrawn Standard: ASTM A/AM | Developed by Subcommittee: A WITHDRAWN, REPLACED BY A/ AM.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.

The minimum hardness should be established between the consumer and the producer. It is produced to speci? It is produced to a maximum Rockwell hardness. It is produced to a maximum Rockwell hardness. Originally published as A — Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Last previous edition A — 81e1. However, under SI the preferred term in mass. The metric portions of the tables herein list permissible variations in dimensions and mass see Note 1 in SI metric units.

It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gauge. It is normally produced to give the lowest maximum Rockwell hardness for each grade. A Test Methods and De? It is furnished in the following types as speci?

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Refer to Table 1 for appropriate scale testing requirements. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gage.

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

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

When bend radius for thickness is over 0. Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. This specification covers cold-rolled, high-carbon strip. Conformance to SI tolerances is mandatory when the “M” specification is used. The maximum of the specified carbon range is over 0.

It is furnished in the following types as specified:. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gauge. The minimum hardness should be established between the consumer and the producer.

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

The values stated in each satm may not be exact equivalents; therefore, each system shall be used independently of the other. The edges of the bend test specimens shall be rounded and free of burrs;? Finish and Edges 9. Link to Active This link will always route to the current Active version of the standard.

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Active view current version of standard. These ratios apply to bending performance of the test specimen. Combining values from the two systems may result in non-conformance with the standard. Historical Version s – view previous versions of standard.

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. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Link a648 Active This link will always route to the current Active version of asm standard. Hardness test and bend test shall be made to conform to the requirements specified.

If the minimum temper is over Rockwell C 20 15N It is normally produced to give the lowest maximum Rockwell hardness for each grade.