【国外标准】 Standard Specification for Carbon Steel Eyebolts

This specification covers the chemical, mechanical, grain size, and dimensional requirements for weldless forged, quenched, and tempered carbon steel threaded lifting eyes (formerly pertained to as eyebolts) for overhead lifting. This specification covers two types denoting shank pattern, and one style denoting shank length, as follows: Type 1, plain pattern (straight shank); Type 2, shoulder pattern; and Style B, short length. The lifting eyes shall be manufactured as specified for the melting, forging, heat treatment, and machining processes. The mechanical properties to which the lifting eyes shall adhere are proof, breaking strength, tensile stress and strength, bend strength, impact strength, yield point, elongation, and reduction of area.1.1 This specification covers chemical, physical and mechanical requirements for forged, carbon steel threaded eyebolts intended for overhead lifting.1.2 The specification includes two types denoting shank pattern and two styles denoting shank length (both defined in ASME B 18.15) as follows:1.2.1 Type 1—Plain pattern (straight shank).1.2.2 Type 2—Shoulder pattern.1.2.3 Style A—Long length.1.2.4 Style B—Short length.1.3 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.1.4 The terms used in this specification are defined in Terminology F1789 unless otherwise defined herein.1.5 The following safety hazard caveat pertains to the test methods portion of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.