This specification covers deformed and plain carbonsteel bars for concrete reinforcements in cut lengths and coils. See the chemical composition and physical properties of astm a615 grade 520 designation no. Code issues the american concrete institutes aci 31808, section 3. Our reinforcing steel conforms to astm a61518, grade 40, 60, 75, 80 or 100 or astm a706 16 grade 60 or 80 as indicated on test reports. Astm a615 published replaced astm a15, astm a408, astm a431, astm a432, and portions of astm a305 with grades 40, 60, and 75. Astm a615a615m15 standard specification for deformed and.
Threadbars conform to the requirements of astm a615, except. Astma615 standard specification for deformed and plain. Exceeds astm a615 grade 60 tensile strength of 90,000 psi. Comparison of astm a615 highstrength reinforcement to astm. Astm a615 rebar is most commonly used in lowstress and lessdemanding applications and makes an economical choice in situations where a tremendous level of tensile strength is not necessarily needed. A615 75 grade is a material grade and designation defined in astm a615 standard. Structure magazine new trends in reinforcing steel. Astm 615 steel chemical composition, metal properties. Astm a615 a615m 09 standard specification for deformed and. Astm a615 a615m 09 standard specification for deformed.
A615 75 grade steel is higher in strength as compare to a615 60 steel. Dywidag threadbar properties and hardware dimensions. The 2007 editions of these specifications first appeared in aci 31808, with astm 1035 contain. Structure magazine new trends in reinforcing steel high. Rebar is typically manufactured in grades 40, 60, 75, 80, and 100. In contrast to the lower grades, which have ratios of specified tensile strength. Structure magazine astm a615 grade 75 reinforcing steel. In 1968, astm a615 first appeared, which included grades 40, 60, and 75 deformed reinforcing bars. For annual book of astm standards volume information, refer to the standards document summary page on the. Cold rolled threaded bars conform to the physical and chemical requirements of astm a 615 grade 75 ksi standard specification for deformed carbon steel. Paving materials and is the direct responsibility of subcommittee d04. Grade 40, grade 60, grade 75, grade 80 and grade 100, having specified minimum yield strengths, respectively, of 40,000 psi, 60,000 psi, 75,000 psi, 80,000 psi and 100,000 psi.
Deformed bars produced at qatar steel conform to various national and international standards such as, bs 4449. Materials considered under this specification are available in grades 40 280, 60 420 and 75 520. For ductility properties elongation and bending, test provisions of the nearest smaller nominal diameter deformed bar. Astm a615a615m standard specification for deformed and. Astm a615a615m12 standard specification for deformed and plain. The aci commentary stats that, astm a615 includes provisions for grade 75 bars in sizes no. A615 rebar astm a615 grade reinforcing bar harris supply. Astm 615 can be supplied as steel plate sheet, round steel bar, steel tubepipe, steel stripe, steel billet, steel ingot, steel wire rods.
Astm a615 covers deformed and plain carbon steel bars for concrete reinforcement. Astm a615 only requires that the yield stress of a grade 60 bar needs to exceed 60 ksi. This article discusses the reasons, advantages and conditions for specifying astm a615 grade 75 steel. Dimensional characteristics of a615 75 grade steels. Which is the suitable electrode to weld reinforcing steel astm a615 grade 60 to a structural steel plate astm a36. Astm a615 grade 75 reinforcing steel astm a615 grade 75 reinforcing steel aug, 2011 by clifford w. Our reinforcing steel conforms to astm a61518, grade 40, 60, 75, 80 or 100 or astm a70616 grade 60 or. Deformed and plain lowalloy steel bars for concrete reinforcement. Astm a615 a615 96a specifies bars of three minimum yield levels. Abstract this specification covers deformed and plain carbonsteel bars for concrete reinforcements in cut lengths and coils. This specification covers bars and coils in four grades, grade 40, grade 60, grade 75, and grade 80. Steel samples shall be rolledfrom properly identified heats of mold cast or strand cast steel using electricfurnace, basicoxygen, or openhearth.
For ductility properties elongation and bending, test provisions of the nearest smaller nominal diameter deformed. Astm a615a615m12 standard specification for deformed and. Mmfx2 steel rebar meets or surpasses the astm a615 requirements grades 75 520 and 80 550, aashto mp 18 grade 100, and astm a1035 grades 100 690 and 120 830, allowing structural engineers to enhance the way bridges, buildings, highways, and other. A61575 grade is a material grade and designation defined in astm a615 standard. During my investigation it appears the only different is that a615 grade 60 has a higher yield strength but less ductile. Astm a615 a615m 12 standard specification for deformed and plain carbonsteel bars for concrete reinforcement. Grade astm a706 grade 420 weldable reinforcing steel, with a continuous line.
An astm designation number identifies a unique version of an astm standard. Astm a36 vrs astm a615 structural engineering general. Astm a706 published for rebars with improved weldability. Type 2 mechanical splice shall conform to type 1 requirements and develop 100% of the specified ultimate strength of the bar being spliced. Last previous edition approved in 2009 as a615a615m 09a. Grade 75 bars appeared in the 2001 edition of astm 955, and grade 100 bars appeared in the inaugural 2004 edition of astm 10351. Mechanical properties of astm a1035 high strength steel. Astm a615a615m standard specification for deformed and plain. Steel grades according to american standards a36, a572. Note 1grade 100 690 reinforcing bars were introduced in this specification in 2015.
January 1, 2020 certificate of compliance astm a615. Corrosion resistance reinforcing bar corrosion begins when the chloride concentration at the steel surface reaches the critical chloride threshold ct of the steel. Grade 75, a double grade mark indicating yield strength. Its strength and performance characteristics are grade dependent, and a615 rebar is available in a full range of standard sizes, including. The 2007 editions of these specifications first appeared in aci 31808, with astm 1035 containing requirements for both. Active standard astm a615 a615m developed by subcommittee.
Astm a615 a615m 09b standard specification for deformed and plain carbonsteel bars for concrete reinforcement. A61575 grade steel is higher in strength as compare to a61560 steel. Astm a615 a615m 09b standard specification for deformed and plain carbonsteel bars for concrete reinforcement abstract this specification covers deformed and plain carbonsteel bars for concrete reinforcements in cut lengths and coils. Astm a615a615m15 standard specification for deformed. Our reinforcing steel conforms to astm a615 18, grade 40, 60, 75, 80 or 100 or astm a706 16 grade 60 or 80 as indicated on test reports. Astm a615 a615m 20 standard specification for deformed and. Rev a standard specification for deformed and plain carbonsteel bars for concrete reinforcement from sai global. Astm a615a615m18 standard specification for deformed and plain carbonsteel bars for concrete reinforcement. Dywidag threadbar properties reinforcing steel per astm a615 threadbar designation maximum threadbar diameter minimum yield stress f y nominal cross section area a s minimum yield load f y x a s nominal weight mm in mm ksi mpa in. Astm a615a615m18 standard specification for deformed.
Grade 75 bars appeared in the 2001 edition of astm 955, and grade 100 bars appeared in the inaugural 2004 edition of astm 1035. Astm a615 a615m 20 standard specification for deformed. Its strength and performance characteristics are gradedependent, and a615 rebar is available in a full range of standard sizes, including. Concrete bridge technology highstrength steel in bridge. The information and data in this document are accurate to. Therefore, the mill certificates for the reinforcement provided to wje also indicate that the bars. The grade designates the yield strength of the material, i.
Astm 615 steel chemical composition, metal properties, datasheet. Dywidag threadbar properties reinforcing steel per astm a615. Astm a615 grade 60 rebar is commonly utilized as a tensioning stratagem in reinforced concrete and strengthened building materials structures holding the concrete in compression. Deformed and plain carbonsteel bars for concrete reinforcement.
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