Aktivní norma | Vydána: 01.10.2026

ASTM A911/A911M-26

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

Dostupné jazyky: Anglicky

Dostupné provedení: Online zabezpečené PDF, Norma a Redline - Online zabezpečené PDF

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Podrobné informace

Označení: ASTM A911/A911M-26

Datum vydání: 01.10.2026

Stran: 3

Země: Americká technická norma

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Anotace

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.

Keywords:
low-relaxation bars, prestressed concrete, railroad ties, steel bars, stress-relieved,, ICS Number Code 77.140.15 (Steels for reinforcement of concrete)

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