ASTM-A684 2010

$40.63

A684/A684M-10a Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled

Published By	Publication Date	Number of Pages
ASTM	2010	10

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Categories: 77.140.50 - Flat steel products and semi-products, ASTM

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Description

ASTM A684/A684M-10a

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

ASTM A684/A684M

Scope

1.1 This specification covers cold-rolled, high-carbon strip in coils or cut lengths. Strip is classified as product that is 0.3000 in. [7.6 mm] or less in thickness and over ½ to 23¹⁵/₁₆ in. [12.5 to 600 mm] in width, inclusive. Strip tolerance products may be available in widths wider than 23¹⁵/₁₆ in. (600 mm) by agreement between purchaser and supplier; however, such products are technically classified as cold-rolled sheet. The maximum of the specified carbon range is over 0.25 to 1.35 %, inclusive. It is furnished in the following types as specified:

1.1.1 Soft spheroidized annealed high-carbon steel is intended for applications requiring maximum cold forming. It is normally produced to give the lowest maximum Rockwell hardness for each grade.

1.1.2 Soft annealed high-carbon steel is intended for applications requiring moderate cold forming. It is produced to a maximum Rockwell hardness.

1.1.3 Intermediate hardness high-carbon steel is intended for applications where cold forming is slight or a stiff, springy product is needed, or both. It is produced to specified Rockwell hardness ranges, the maximum being higher than obtained for the annealed type.

1.1.4 Full hard high-carbon steel is intended for flat applications. It is produced to minimum Rockwell hardness requirements, which vary with grade, microstructure and gauge. Full hard can be produced with either a pearlitic or spheroidized microstructure or a mixture of both. The minimum hardness should be established between the consumer and the producer.

1.2 This specification is applicable for orders in either inch-pound units or SI units.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

Keywords

cold rolled strip; high carbon; steel; strip; Carbon steel sheet/strip–specifications; Cold-rolled steel sheet/strip–specifications; Intermediate hardness carbon spring steel; Spheroidized carbon spring steel; Steel springs–specifications

ICS Code

ICS Number Code 77.140.50 (Flat steel products and semi-products)

DOI: 10.1520/A0684_A0684M-10A

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Ordering Information Manufacture TABLE 1
3	Chemical Requirements Metallurgical Structure TABLE 2 TABLE 3 TABLE 4
4	Mechanical Requirements Dimensions, Mass, and Permissible Variations Finish and Edges TABLE 5 TABLE 6
5	FIG. 1 FIG. 2
6	Workmanship Number of Tests and Retests Rework and Retreatment TABLE 7 TABLE 8
7	Inspection Rejection and Rehearing Certification and Reports Marking Packaging Keywords TABLE 9
8	TABLE 10
9	TABLE 11 TABLE 12

Additional information

Standard Title	A684/A684M-10a Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled
Published Code	ASTM
Publication Date	2010
Pages Count	10
ICS Codes	77.140.50 - Flat steel products and semi-products