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    ASTM A449-04

    Standard Specification for Quenched and Tempered Steel Bolts and Studs
    • 발행일 : 2004-01-01
    • 발행기관 : ASTM
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분야 01.09 : 비철화스너 (구름요소베어링)
적용범위

1.1 This specification covers the chemical and mechanical requirements for two types of quenched and tempered steel bolts and studs for general applications where high strength is required.

1.2 The two types of bolts covered in this specification are:

1.2.1 Type 1—Medium-carbon steel bolts and studs furnished in nominal diameters of 1/4 to 3 in., inclusive.

1.2.2 Type 2—Low-carbon martensite or medium-carbon martensite steel bolts and studs furnished in nominal diameters of 1/4to 1 in., inclusive.

1.3 The bolts and studs shall be Type 1, Type 2, or Type 1 or 2 at manufacturer's option, as specified by the purchaser. When a type is not specified, Type 1 shall be furnished. When elevated temperature applications are involved, Type 1 shall be specified by the purchaser on the order.

1.4 Suitable nuts are covered in Specification A 563. Unless otherwise specified, the grade and style of nut shall be as follows:

Nuts of other grades and styles having specified proof load stresses (Specification A 563, Table 3) greater than the specified grade and style of nut are suitable.

Fastener Size and Surface Finish Nut Grade and Style
1/4 to 11/2 in., plain (or with a coating of insufficient thickness to require over-tapped nuts) B, hex
Over 11/2 to 3 in., plain (or with a coating of insuffi-cient thickness to require over-tapped nuts) A, heavy hex
1/4 to 3 in., zinc-coated (or with a coating thicknessrequiring over-tapped nuts) DH, heavy hex

1.5 Unless otherwise specified, washers ordered with bolts shall be furnished to the requirements of Specification F 436.

1.6 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

1.7 Terms used in this specification are defined in Terminology F 1789 unless otherwise defined herein.
국제분류(ICS)코드
페이지수 6
Edition 04

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM A449-14(2020)상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2020-12-01 표준
2 ASTM A449-14상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2014-10-01 구판
3 ASTM A449-14 REDLINE상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2014-10-01 구판
4 ASTM A449-10상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2010-10-01 구판
5 ASTM A449-07be1상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2007-12-01 구판
6 ASTM A449-07b상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2007-12-01 구판
7 ASTM A449-07a상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2007-08-01 구판
8 ASTM A449-07상세보기 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2007-05-15 구판
9 ASTM A449-04be1상세보기 Specification for Hex Cap Screws, Bolts, and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2004-11-01 구판
10 ASTM A449-04b상세보기 Specification for Hex Cap Screws, Bolts, and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use 2004-11-01 구판
11 ASTM A449-04a상세보기 Standard Specification for Quenched and Tempered Steel Bolts and Studs 2004-08-01 구판
12 ASTM A449-04상세보기 Standard Specification for Quenched and Tempered Steel Bolts and Studs 2004-01-01 구판
13 ASTM A449-00상세보기 Standard Specification for Quenched and Tempered Steel Bolts and Studs 2000-05-10 구판
14 ASTM A449-78a상세보기 Standard Specification for Quenched And Tempered Steel Bolts And Studs 구판

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