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ASTM-F2437 2006

$40.63

F2437-06 Standard Specification for Carbon and Alloy Steel Compressible-Washer-Type Direct Tension Indicators for Use with Cap Screws, Bolts, Anchors, and Studs

Published By Publication Date Number of Pages
ASTM 2006 5
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1.1 This specification covers the requirements for carbon and alloy steel compressible-washer-type direct tension indicators capable of indicating a specified bolt tension in cap screws, bolts, anchors, and studs.

1.2 Direct tension indicators in nominal diameter sizes 1/4 through 21/2 in. are covered.

1.3 There are two Types of DTIs covered by this specification, Type 1 and Type 2.

1.3.1 Type 1 DTIs are suitable for comparatively large bearing surfaces. Type 1 DTIs are available in Grades 55 and 105, which differ in the amount of tension they indicate at a prescribed gap (see ).

1.3.2 Type 2 DTIs are suitable for comparatively smaller bearing surfaces. Type 2 DTIs are available in Grades 5 and 8, which differ in the amount of tension they indicate at a prescribed gap (see ).

1.4 Direct tension indicators are intended for installation under a bolt or cap screw head, a hex nut, or against a hardened washer or other flat hardened surface.

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

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
2 Terminology
Ordering Information
Materials and Manufacture
TABLE 1
3 Chemical Composition
Performance Requirements
Dimensions
Workmanship, Finish and Appearance
Number of Tests and Retests
FIG. 1
TABLE 2
4 Specimen Preparation
Test Methods
Inspection
TABLE 3
TABLE 4
5 Rejection
Certification
Responsibility
Product Marking
Packaging and Package Marking
Storage
Keywords
ASTM-F2437 2006
$40.63