Standard Specification for
Steel Bars, Carbon, Hot-Wrought, Special Quality,
AASHTO Designation: M 255M/M 255-05
ASTM Designation: A 675/A 675M-03
This specification covers hot-wrought, special quality, carbon steel bars and bar size shapes produced to mechanical property requirements and intended for general constructional applications.
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Click here to download AASHTO Designation: M 254-06 pdf free download