ASTM F 959 : 2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners
Hardcopy , PDF
15-10-2018
English
01-05-2015
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
F 16
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| DocumentType |
Standard
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| Pages |
5
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1This specification covers the requirements for compressible-washer-type direct tension indicators, (DTIs) capable of indicating the achievement of a specified minimum bolt tension in a structural bolt.
1.2Eight types of DTIs in nominal diameter sizes 1/2through 11/2in. as well as M16 through M36 are covered:
1.2.1Type 325-1—DTIs for use with Specification A325 Type 1 bolts or F or F1852 assemblies.
1.2.2Type 325–3—DTIs for use with Specification A325 Type 3 bolts or F1852 Type 3 assemblies.
1.2.3Type 490–1—DTIs for use with Specification A490 Type 1 bolts or F2280 assemblies.
1.2.4Type 490–3—DTIs for use with Specification A490 Type 3 F2280 Type 3 assemblies.
1.2.5Type 8.8-1—DTIs for use with Specification A325M Type 1 bolts.
1.2.6Type 8.8-3—DTIs for use with Specification A325M Type 3 bolts.
1.2.7Type 10.9-1—DTIs for use with Specification A490M Type 1 bolts.
1.2.8Type 10.9-3—DTIs for use with Specification A490M Type 3 bolts.
1.3DTIs are intended for installation under either a bolt head or a hardened washer. (See Research Council on Structural Connections: Specification for Structural Joints Using High–Strength Bolts.)
1.4This specification provides for furnishing Type 3 DTIs to a Chemical Composition Requirement or a Corrosion Resistance Index (CRI) at the manufacturer’s discretion.
1.5Terms used in this specification are defined in Terminology F1789 unless otherwise specified.
1.6The following precautionary statement pertains only to the test method portions, Section 10 and Appendix X1 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 and health practices and determine the applicability of regulatory limitations prior to use.
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