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ASTM C955-24

Current Revision

Standard Specification for Cold-Formed Steel Structural Framing Members

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1.1 This specification covers cold-formed steel structural framing members (with a base steel thickness of not less than 0.0329 in. (0.836 mm)) in load-bearing (transverse and axial) construction assemblies. Steel of lesser thickness shall be permitted in additional engineered products.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


This specification covers steel studs, runners (tracks), and bracing or bridging for screw application of gypsum panel products and metal plaster bases in load-bearing construction assemblies. Steel of lesser thickness shall be permitted in additional engineered products. Members shall be manufactured from steel meeting the requirements specified. The properties and strength of members shall be computed in accordance with the given specification. The steel members shall be free of defects that interfere with the purpose for which they are intended. Penetration test method provides a procedure for evaluating the member's ability to pull the head of a screw below the surface of the gypsum panel product. Five specimens of members shall be tested. If more than one test specimen fails to meet the requirements, two more test specimens shall be chosen for retesting. Report shall indicate all specimens meeting the requirements of this specification if the screw penetrated the steel and the screw spin out; or shall indicate all specimens failing if the screw did not penetrate the steel, or the screw spun out.


SDO ASTM: ASTM International
Document Number C955
Publication Date Dec. 1, 2024
Language en - English
Page Count 2
Revision Level 24
Supercedes
Committee C11.02
Publish Date Document Id Type View
Dec. 1, 2024 C0955-24 Revision
June 1, 2018 C0955-18E01 Revision
June 1, 2018 C0955-18 Revision
June 1, 2017 C0955-17 Revision
March 15, 2015 C0955-15E01 Revision
March 15, 2015 C0955-15 Revision
Dec. 1, 2011 C0955-11C Revision
Oct. 1, 2011 C0955-11B Revision
Aug. 1, 2011 C0955-11A Revision
May 15, 2011 C0955-11 Revision
Dec. 1, 2010 C0955-10 Revision
Sept. 1, 2009 C0955-09A Revision
May 1, 2009 C0955-09 Revision
Sept. 1, 2008 C0955-08A Revision
March 1, 2008 C0955-08 Revision
Nov. 1, 2007 C0955-07 Revision
June 1, 2006 C0955-06 Revision
June 10, 2003 C0955-03 Revision
Sept. 10, 2001 C0955-01 Revision
Sept. 10, 2001 C0955-00A Revision