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For (Withdrawn ). Withdrawn Standard: ASTM A/AM | Developed by Subcommittee: A WITHDRAWN, REPLACED BY A/ AM.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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Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. It is normally produced to give the lowest maximum Rockwell hardness for each grade.

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

The values stated in each system may not be exact equivalents; therefore, each system axtm be used independently of the other.

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

ASTM A / AM – 17 Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled

It is produced to astk Rockwell hardness ranges, the maximum being higher than obtained for the annealed type. The minimum 6a84 should be established between the consumer and the producer. It is furnished in the following types as specified:. The values listed are not exact conversions of the values listed in the inch-pound tables but instead are rounded or rationalized values.

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Within the text, the SI units are shown in brackets. It is produced to a maximum Rockwell hardness. Referenced Documents purchase separately The documents listed below are ashm within the subject standard but are not provided as part of the standard. Strip is classified as product that is 0. On either hardness scale, a range of ten points arithmetic difference is required. It is furnished in the following types as speci?

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

A Test Methods and De? Link to Active This link will always route to the current Active version of the standard. It is furnished in the following types as specified: A number in parentheses indicates the year of last reapproval.

However, under SI the preferred term is mass. This specification asttm cold-rolled, high-carbon strip.

Combining values from the two systems may result in non-conformance with the standard. Active view current version of standard. The metric portions asgm the tables herein list permissible variations in dimensions and mass see Note 1 in SI metric units.

When bend radius for thickness is over 0. 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 grade.

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

NOTE 1—A typical ordering description is as follows: Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. The metric portions of the tables herein list permissible variations in dimensions and mass see Note 1 in SI metric units. Active view current version of standard.

Where material is to be bent in fabricating operations a more liberal bend radius may be required and should be based on prior experience or consultation with the steel producer, or both. It is produced to a maximum Rockwell hardness. Current edition approved Aug. For accuracy in testing, the hardness scales should not overlap.

However, unless the order specifies the applicable “M” specification designation SI units aztm, the material shall be furnished to inch-pound units. It is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type.