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Full Description

1.1 This specification covers seven-wire uncoated, indented, stress-relieved steel strand for use in pretensioned prestressed concrete construction. Grade 250I and Grade 270I have minimum ultimate strengths of 250 ksi [1725 MPa] and 270 ksi [1860 MPa], respectively, based on the nominal area of the strand.

1.2 Supplement I describes low-relaxation strand and relaxation testing for that product. Low-relaxation strand shall be furnished when specifically ordered and furnished in place of stress-relieved strand if mutually agreed to by the purchaser and supplier.

1.3 This specification is applicable for orders in either inch-pound units (as Specification A 886) or in SI units (as Specification A 886M).

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standards. Within the text, the inch-pound units are shown in parentheses. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

 

Document History

  1. ASTM A886/A886M-17


    Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete

    • Most Recent
  2. ASTM A886/A886M-16


    Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete

    • Historical Version
  3. ASTM A886/A886M-12


    Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete

    • Historical Version
  4. ASTM A886/A886M-10


    Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete

    • Historical Version
  5. ASTM A886/A886M-05


    Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete

    • Historical Version
  6. ASTM A886/A886M-02

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    Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete

    • Historical Version
  7. ASTM A886/A886M-99


    Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed Concrete

    • Historical Version