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This specification covers deformed and plain carbon steel bars for
concrete reinforcement in cut
lengths and coils. Steel bars containing alloy additions, such as with
the AISI and SAE series of
alloy steels, are permitted if the resulting product meets all the
other requirements of this
specification. The standard sizes and dimensions of deformed bars and
their number designations are
given in Table 1. The text of this specification references notes and
footnotes which provide
explanatory material. These notes and footnotes (excluding those in
tables and figures) shall not
be considered as requirements of the specification.
Bars are of three minimum yield strength levels: namely, 40 000 [280
MPa], 60 000 [420 MPa], and 75
000 psi [520 MPa], designated as Grade 40 , Grade 60 , and
Grade 75 , respectively.
Hot-rolled plain rounds, in sizes up to and including 2 ½ in.
[63.5 mm] in diameter in coils
or cut lengths, when specified for dowels, spirals and structural ties
or supports shall be
furnished under this specification in Grade 40 , Grade 60 ,
and Grade 75 . For
ductility properties (elongation and bending), test provisions of the
nearest smaller nominal
diameter deformed bar size shall apply. Requirements providing for
deformations and marking shall
not be applicable.
NOTE 1 - Welding of the material in this specification should be
approached with caution since no
specific provisions have been included to enhance its weldability.
When steel is to be welded, a
welding procedure suitable for the chemical composition and intended
use or service should be used.
The use of the latest edition of ANSI/AWS D 1.4 is recommended. This
document describes the proper
selection of the filler metals, preheat/interpass temperatures, as
well as, performance and
procedure qualification requirements.
This specification is applicable for orders in either inch-pound units
(as Specification A 615) or
in SI units (as Specification A 615M).
The values stated in either inch-pound units or SI units are to be
regarded as standard. Within the
text, the SI 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.
Footnote * - A Summary of Changes section appears at the end of this
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