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1.1 This specification covers cold-rolled, high-carbon strip. 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 gage. 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 (as A 684) or SI units (A 684M).
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A109/A109M Specification for Steel, Strip, Carbon (0.25 Maximum Percent), Cold-Rolled
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A568/A568M Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, General Requirements for
A700 Guide for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
A1073/A1073M Practice for Using Hand Micrometers to Measure the Thickness of Nonmetallic and Metallic-Coated Steel Sheet
E3 Guide for Preparation of Metallographic Specimens
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
Federal StandardsFed. Std. No. 123 Marking for Shipments (Civil Agencies) Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://www.dodssp.daps.mil. Fed. Std. No. 183 Continuous Identification Marking of Iron and Steel Products
Military StandardMIL-STD-129 Marking for Shipping and Storage
ICS Number Code 77.140.50 (Flat steel products and semi-products)
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ASTM A684 / A684M-86(2002), Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled, ASTM International, West Conshohocken, PA, 2002, www.astm.orgBack to Top