Standard Historical Last Updated: May 06, 2021 Track Document
ASTM A911/A911M-15

Standard Specification for Low-Relaxation Steel Bars for Prestressed Concrete Railroad Ties

Standard Specification for Low-Relaxation Steel Bars for Prestressed Concrete Railroad Ties A0911_A0911M-15 ASTM|A0911_A0911M-15|en-US Standard Specification for Low-Relaxation Steel Bars for Prestressed Concrete Railroad Ties Standard new BOS Vol. 01.04 Committee A01
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Abstract

This specification covers uncoated, stress-relieved steel bars for prestressed concrete railroad ties. Analysis of the steel shall conform to the chemical requirements specified by the specification. Mechanical requirements including test method, tensile strength, yield strength, elongation and wrapping test are provided. One test specimen each for the tensile test and the wrapping test shall be taken for every 10 coils or fraction thereof in a lot.

Scope

1.1 This specification covers low-relaxation steel bars for use in prestressed concrete railroad ties.

1.2 This specification is applicable for orders in either inch-pounds units (as Specification A911) or in SI units (as Specification A911M).

1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the specification.

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Details
Book of Standards Volume: 01.04
Developed by Subcommittee: A01.05
Pages: 4
DOI: 10.1520/A0911_A0911M-15
ICS Code: 77.140.15