Materials considered under this specification are available in grades 40 280, 60 420 and 75 520. The standard sizes and dimensions of deformed bars and their number designations are given in table 1 1. Astm a615 grade 40 rebar is a common steel bar and is generally used as a tensioning device in reinforced concrete and reinforced masonry structures holding the concrete in compression. This wall is not designed for all cells to be grouted. This design does not allow grade differentials of more than 6 on opposing sides of the wall.
Astm a 615 a deformed br designation numbers, nominal weights, n ominal dimensions, and deformation bar designation no. Because they did not have data on the tensile strength of grade 40. January 1, 2020 certificate of compliance astm a615. Reinforcing bars tests in most construction sites have been restricted to tensile and bend tests with little or no information. The applicable diameter for this a61540 grade material as defined in the astm a615 ranges to 35. Standard specifications reinforcing steel rebar markings astm grade 40 50 s for billet a615 i for rail a616 ir for rail meeting supplementary requirements s1a616.
Astm a615a615m16 standard specification for deformed. Astm a615a615m15a deformed and plain billetsteel bars for concrete reinforcement. Variability of chemical analysis of reinforcing bar produced. Brief historical overview of yield strength determination in aci 318 october 20, 20 3 circa 1963 actual stress strain curves grade 75 astm a431 bars never exhibited a distinct yield point grade 60 astm a432 bars exhibited inbetween stressstrain behavior grade 40 astm a15 bars were always sharplyyielding materials 5. Mpa, designated as grade 40 280, grade 60 420, grade 80 550, and grade 100 690. Smooth wire must comply with astm a 82, and deformed wire must comply with astm a 496.
Astm a615 a615m 09 standard specification for deformed. Last previous edition approved in 2009 as a615a615m 09a. Typical grease trap connection boston water and sewer. For ductility properties elongation and bending, test provisions of the nearest smaller nominal. Brief historical overview of yield strength determination in.
Steel samples shall be rolled from properly identified heats of mold cast or strand cast steel using electricfurnace, basicoxygen, or openhearth. Typical stress vs strain relations for nonstraightened bars. Astm a615 published replaced astm a15, astm a408, astm a431, astm a432, and portions of astm a305 with grades 40, 60, and 75. The size of the foundation is to scale but it was an approximate size calculated based on the highest load any column will support. Jun 04, 2019 historic grades include 30, 33, 35, 36, 50 and 55 which are not in common use today. Midheight steel and grouting inspection is required when 6 slump stone block is used 3. Astm a615 a615m 20 standard specification for deformed and.
Bars for spiral reinforcement must comply with astm a 615, grade 40. Grade 100 690 reinforcing bars were introduced in this specification in 2015. Astma615 historical revision information standard specification for deformed and plain carbonsteel bars for concrete reinforcement astma615 1990 edition superseded see the following. Deformed bars produced at qatar steel conform to various national and international standards such as, bs 4449. Astm d2200 standard pictorial surface preparation standards. Astm standards for elongation, but no heats failed to meet the minimum astm standard. Astm a792 applies to galvalume coated sheet steels. Grade 75 and 150 rebar all mechanical and physical properties in accordance with astm a615 and csa g30. Materials considered under this specification are available in grades 40 280, 60 420, and 75 520. Reinforcing bars tests in most construction sites have been restricted to tensile and bend tests with little or. Variability of chemical analysis of reinforcing bar.
Sample residential specification bay area low carbon. The 2007 editions of these specifications first appeared in aci 31808, with astm 1035 contain. Reinforcing bars will be a deformed type and will conform to astm a615 grade 40 or grade 60 billet steel. A615 anda706 grade 520 s for billet a615m 3 bar size s type steel type grade size see. Astm a615a615m16 standard specification for deformed and. Engineering etm15 faq about epoxycoated reinforcing. Welded wire fabric will conform to astm a185 or a497. Equation 2 is the pdf for yield strength for grade 60 bars.
Active standard astm a615 a615m developed by subcommittee. For annual book of astm standards volume information, refer to the standards document summary page on the. Standard specifications reinforcing steel rebar markings. A61581 contains a set of su p p l e m e n t a r y re q u i r ements s1 which apply only when specified by the purc h a s e r. As an example, the beta pdf of yield strength for a 615 grade 40 no. Pdf a comparison of astm a615 grade 60 and grade 80. Pdf statistical analysis of the mechanical properties and weight.
Bars meeting astm a706 a706m are available in yield strength grades of 60 and 80 420 and 550. Structural steel structural steel 52 size nominal diameter mm deformed plain round cross sectional area. Our reinforcing steel conforms to astm a61518, grade 40, 60, 75, 80 or 100 or astm a70616 grade 60 or. Welded bar mats shall be permitted to be assembled using a615 or a706 deformed bars.
Astm a706 published for rebars with improved weldability. Astm a61596a, grade 60 woosan international resources. Which is the suitable electrode to weld reinforcing steel astm a615 grade 60 to a structural steel plate astm a36. Rebar grades are customarily noted on engineering documents, even when there are no other grade options within the material specification, in order to eliminate confusion and avoid potential quality issues such as might occur if xstm material substitution is made. Astma15 astma305 astma408 astma431 astma432 astma615a615m astma615m show complete document history. In 1968, astm a615 first appeared, which included grades 40, 60, and 75 deformed reinforcing bars. Aci documents are requested to contact aci via the errata website at. Reinforcing steel inspection steel in wall prior to grouting. Astm a615 a615m 01 standard specification for deformed. Astm a615 is an international material standard for reinforcement bar billet steel for strengthening application. This specification covers deformed and plain carbonsteel bars for concrete reinforcements in cut lengths and coils. Saudi arabia have adopted astm a615 standard 1 for the steel rebar testing.
Requirements for ductility in astm a61515 remain generally the same as those of the earlier editions of the specification. Astm a615 a615m 14 standard specification for deformed. Bars meeting astm a615 a615m are available in yield strength grades of 40, 60, 75, 80 and 100 280, 420, 520, 550, and 690. Brief historical overview of yield strength determination.
Material for reinforcement will be astm a615 grade 60. Bars meeting astm 996 a996m are not as readily available as the other two steel types, but railsteel bars are. Straightening of grade 60 reinforcing bars by stecich. Grade 75 bars appeared in the 2001 edition of astm 955, and grade 100 bars appeared in the inaugural 2004 edition of astm 10351. Astm c700 vitrified clay pipe, extra strength, standard strength, and perforated. It is usually formed from carbon steel and is given ridges for better mechanical anchoring into the concrete. Structural steel structural steel 52 size nominal diameter mm deformed plain round cross sectional area mm2 unit weight kgm lengths per mt based on 6 mtr d6. Astm a615 grades 40 and 60 reinforcement conforming to 6. A1064, a1022 is only permitted where it is wrapped around the element, not where the weld is being called upon to. Material for reinforcement will be astm a615 grade 60 steel. Steel will be accurately bent, placed, tied, and supported in accordance with the requirements of manual of standard practice of the concrete reinforcing steel institute crsi. For ductility properties elongation and bending, test provisions of the nearest smaller nominal diameter. A61540 grade steel is higher in strength as compare to sr30 steel.
Jun 06, 2019 astm a615 grado 60 pdf posted on june 6, 2019 by admin this standard is issued under the fixed designation aam. A1064, a1022 is only permitted where it is wrapped around the. The values of the mechanical properties will have to be obtained by means of tests made after a reasonable period of passed time, after the lamination minimum 48 hours. For the calculation of the values of the yield point and the tensile strength, the nominal areas will be used as it is indicated in norm astm a61596a, grade 60. For ductility properties elongation and bending, test provisions of the nearest smaller nominal diameter deformed bar size shall apply. Dimensional characteristics of a61540 grade steels. Standard specifications reinforcing steel rebar markings astm. Historic grades include 30, 33, 35, 36, 50 and 55 which are not in common use today. Astm a615a615m18e1 standard specification for deformed. Astm a61596a, grade 60 woosan international resources co. Footing inspection footing trenches with steel in place prior to placing the concrete 2. Pdf a parametric study on tiltup wall panels was conducted to determine if use of astm a615 grade 80 reinforcement is more economical.
Grade 300 grade 40 bars show only three marks no grade mark usually in the following order. Webstore are in electronic adobe acrobat pdf format. Table 2 details requirements for the chemical composition for the heat analysis of all steel designations in a 653 and a 792. Mass spectrometric, and spectrochemical analysis of nucleargrade plutonium dioxide powders and pellets. Dural hs gel has been tested in accordance with astm e488 and astm e1512 for its ability to resist static, dynamic, seismic. 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. Elongation % bend degree inside radius a615 grade 40 3.
1078 923 136 902 334 1420 1557 1110 594 204 1131 921 768 377 952 1555 822 904 561 504 1253 95 582 414 522 157 804 1286 554 631