ASTM F959-99a

Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners (Includes all amendments And changes 8/16/2017).

Automatically translated name:

Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners

STANDARD published on 10.4.2002

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The information about the standard:

Designation standards: ASTM F959-99a
Note: WITHDRAWN
Publication date standards: 10.4.2002
SKU: NS-57077
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM F959-99a :

Keywords:

compressible-washer-type, direct tension indicators, DTI, indicators, ICS Number Code 21.060.01 (Fasteners in general)

Additional information

1. Scope

1.1 This specification covers the requirements for compressible-washer-type direct tension indicators capable of indicating the achievement of a specified minimum bolt tension in a structural bolt.

1.2 Two types of direct tension indicators in nominal diameter sizes 1/2 through 1 1/2 in. are covered:

1.2.1 Type 325—direct tension indicators for use with Specification A 325 bolts, and

1.2.2 Type 490—direct tension indicators for use with Specification A 490 bolts.

1.3 Direct tension indicators are intended for installation under either a bolt head or a hardened washer. (See Research Council on Structural Connections: Specification for Structural Joints Using ASTM A 325 or A 490 Bolts.)

1.4 The following precautionary statement pertains only to the test method portions, Section and 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.

2. Referenced Documents

A325M-14	Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength (Metric) (Withdrawn 2016)
	Specification for Structural Joints Using HighStrength Bolts
G101-04(2020)	Standard Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels
F2280-14	Standard Specification for “Twist Off” Type Tension Control Structural Bolt/Nut/Washer Assemblies, Steel, Heat Treated, 150 ksi Minimum Tensile Strength (Withdrawn 2016)
F1852-14	Standard Specification for “Twist Off” Type Tension Control Structural Bolt/Nut/Washer Assemblies, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength (Withdrawn 2016)
F1789-23	Standard Terminology for F16 Mechanical Fasteners
F1470-24	Standard Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection
F606/F606M-21	Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators, and Rivets
ASMEB18.2.6	Fasteners for Use in Structural Applications
A490-14	Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength
A325-14	Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength (Withdrawn 2016)
A490M-14	Standard Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints (Metric)

B695-21	Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
F436-11	Standard Specification for Hardened Steel Washers
F436M-11	Standard Specification for Hardened Steel Washers [Metric] (Withdrawn 2016)

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