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Full Description

1.1 This specification covers two types and two grades of seven-wire, uncoated steel strand for use in pretensioned and post-tensioned prestressed concrete construction. The two types of strand are low-relaxation and stress-relieved (normal-relaxation). Low-relaxation strand shall be regarded as the standard type. Stress-relieved (normal-relaxation) strand will not be furnished unless specifically ordered, or by arrangement between purchaser and supplier. Grade 1725 [250] and Grade 1860 [270] have minimum ultimate strengths of 1725 MPa [250 ksi] and 1860 MPa [270 ksi], respectively, based on the nominal area of the strand.

1.2 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the inch-pound units are shown in brackets. 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.

1.3 The supplementary requirements in S1 shall be specified for 15.2-mm (0.6-in.) diameter uncoated seven-wire steel strand if needed for applications in prestressed ground anchors.

 

Document History

  1. ASTM A416/A416M-24


    Standard Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

    • Most Recent
  2. ASTM A416/A416M-18


    Standard Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

    • Historical Version
  3. ASTM A416/A416M-17a


    Standard Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

    • Historical Version
  4. ASTM A416/A416M-17


    Standard Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

    • Historical Version
  5. ASTM A416/A416M-16


    Standard Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

    • Historical Version
  6. ASTM A416/A416M-15


    Standard Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

    • Historical Version
  7. ASTM A416/A416M-12a


    Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

    • Historical Version
  8. ASTM A416/A416M-12


    Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

    • Historical Version
  9. ASTM A416/A416M-10


    Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

    • Historical Version
  10. ASTM A416/A416M-06


    Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

    • Historical Version
  11. ASTM A416/A416M-05


    Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

    • Historical Version
  12. ASTM A416/A416M-02

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    Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

    • Historical Version
  13. ASTM A416/A416M-99


    Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

    • Historical Version
  14. ASTM A416-74


    Standard Specification for Uncoated Seven-Wire Stress-Relieved Strand For Prestressed Concrete

    • Historical Version