螺丝扭力标准

1、naladoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification covers steel screw spikes used asfastenings between railroad rails, tie plates, and ties.1.2 The values stated in inch-pound units are to be regardedas standard. T。

2、 ( ) () ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 1972 12 30 ： 2009 8 20 2009-0413 ： ： ( 02-509-7230) 。

3、signation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This test method covers the use of dynamic mechanicalinstrumentation for gathering and reporting the viscoelasticproperties of thermoplastic and thermosetting resins and com-posite systems in the form of rectangular specimens 。

4、signation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope *1.1 This test method covers the use of dynamic mechanicalinstrumentation for gathering and reporting the viscoelasticproperties of thermoplastic and thermosetting resins and com-posite systems in the form of rectangular specimens。