BH GSO ASTM A821/A821M:2023
Bahraini Standard
Current Edition
·
Approved on
05 April 2023
·
Standard Specification for Steel Wire, Hard-Drawn for Prestressed Concrete Tanks
BH GSO ASTM A821/A821M:2023 Files
English
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Current Edition
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BH GSO ASTM A821/A821M:2023 Scope
This specification covers uncoated, high-strength, hard-drawn steel wire for prestressed concrete tanks and similar structures. Steel samples shall be processed by either open-hearth, basic-oxygen, or electric furnace melting process. The wires shall be cold-drawn as well. Cast or heat analysis and product analysis shall be performed wherein the steel materials shall conform to the required chemical compositions of carbon, manganese, phosphorus, sulfur, and silicon. Steel specimens shall also undergo tensile tests, wrap tests, and torsion tests. Final products shall be marked by a tag.
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