Astm a706a706m 16 standard specification for deformed. Test results results of the taper threaded griptwist position tpa tension testing described above are summarized in table 1 and represented in chart 1. Black rebar a706 rebar astm a706 rebar is a specification given to lowalloy reinforcing bars in either standard lengths or coiled configurations. Jul 20, 2017 for sdcs b and c, astm a 706 grade 60 reinforcing steel shall be used in members where plastic hinging is expected. Deformed and plain carbonsteel bars for concrete reinforcement. Items meet the minimum mechanical requirements of astm a615 60 andor astm a706 construction testing services testing inspecting engineering. Bars meeting astm a706 a706m are available in strength 116 grades of 60 and 80 ksi 420 and 550. Steel reinforcing bars shall conform to astm a615, grade 60 or astm a706, grade 60. Astm a706 covers deformed and plain low alloy steel bars for concrete reinforcement with restrictive mechanical properties and chemical composition in order to enhance weldability. The third marking symbol designates the type of reinforcing steel usually either s for carbonsteel astm a615 or w for lowalloy steel astm a706. After welding 15 consecutive samples, the inspector shall.
Grade 60 billetsteel astm a615 bars are currently the most widely used type of. Astma706 standard specification for deformed and plain low. There are 15 suppliers who sells astm a706 grade 60 rebar on, mainly located in asia. Astm a36 vrs astm a615 structural engineering general. A706 is produced in limited quantities in south carolina. Rebar is typically manufactured in grades 40, 60, 75, 80, and 100. Astm a706a706m16 standard specification for deformed. Construction sales positions the key to success with carroll is a persons drive and determination. Find astm a706 grade 80 rebar related suppliers, manufacturers, products and specifications on globalspec a trusted source of astm a706 grade 80 rebar information. Most commonly, 60 ksi reinforcing bars are used and this is normally identified by either the number 60 or a single longitudinal grade line along the bar. The grade designates the yield strength of the material, i.
Astm a706 a706m14, standard specification for deformed and plain lowalloy steel bars for concrete reinforcement, astm international, west conshohocken, pa, 2014. Astm standards subscriptions are annual and access is unlimited concurrency based number of people that can access the subscription at any given time from single office. Astm a706 a706m 09 standard specification for lowalloy. A1064, a1022 is only permitted where it is wrapped around the. These numbers also represent the minimum yield strength mea sured in ksi. Guidelines for inspection and acceptance of epoxycoated reinforcing steel at the jobsite.
Bars meeting astm a706 may be ordered as grade 60 or 80. This specification covers bars and coils in two grades, grade 60 and. Free astm a706 grade magazines, ebooks read, download and. Astm a706 standard specification for deformed and plain lowalloy steel bars for concrete reinforcement. Bars meeting astm a706 a706m are available in yield strength grades of 60 and 80 ksi 420 and 550. Standard specification for deformed and plain carbonsteel. Further research is required to establish the shape and model of the stressstrain curve, expected reinforcing strengths and strain limits for concrete components made with astm a706 grade 80 reinforcing steel. Requirements providing for deformations and marking shall not be applicable. Mixing a706 and a615 rebar structural engineering general discussion engtips. Annex a2 of this specification covers deformed bars for use for other applications.
Our reinforcing steel conforms to astm a61518, grade 40, 60, 75, 80 or. Bar identification marks may also be oriented to read when bar is in horizontal position. Test results results of the taper threaded griptwist tension testing described above are summarized in table 1 and represented in chart 1. Astm a706 rebar is a specification given to lowalloy reinforcing bars in either. Astm a 706 low alloy steel deformed bars for concrete reinforcement shall be used for all castinplace concrete bridge reinforcement, including shafts and concrete piles, and for precast elements for bridge substructure. Grade 40 bars do not have any additional grade markings or lines. Recent advances have enabled reinforcing steels of higher strengths to be commercially produced. Note that grade 60 may be indicated either by the number 60 or by a.
The 2009 editions of astm a615 and astm a706 were the first to include requirements for grade 80 reinforcing. No additives containing calcium chloride or any other material that will produce corrosive ions shall be used in the concrete. Astm a706 a706m09, standard specification for lowalloy steel deformed and plain bars for concrete reinforcement, astm international, west conshohocken, pa, 2009. A706 grade 60 reinforcing steel has a tensile strength of 80 ksi. Pdf a706 grade 80 reinforcement for seismic applications. Differences between astm a706 and a615 pdf free download download astm a370 pdf ebook storage abstract. Conform to cold drawn steel wire for concrete reinforcement, astm a82, 16 gage minimum. Confinement ties are 80 ksi while shear reinforcing is 60 ksi. High strength and corrosion resistant for use with astm a1035 reinforcing steel grades 100 and 120 features high strength and corrosion resistant. Steel bars containing alloy additions, such as with the association for iron and steel technology and the society of automotive engineers series of alloy steels, are permitted if the resulting product meets all the other requirements of this specification. Astm a706 a706m 14 standard specification for deformed.
For ductility properties elongation and bending, test provisions of the nearest smaller nominal diameter deformed bar size shall apply. Specific heat, size, grade and test result information will be listed on the certified material. However, astm a615 billet steel bars of grade 40 or 60 may be used in these members if the following two. This specification covers bars and coils in two grades, grade 60 and grade 80. Astm a706 grade reinforcing bar weldable rebar harris. Astm a706 materials science mechanical engineering scribd. Guidelines for inspection and acceptance of epoxycoated reinforcing steel. There are 17 suppliers who sells astm a706 grade 60 on, mainly located in asia.
Find astm a706 grade 60 rebar related suppliers, manufacturers, products and specifications on globalspec a trusted source of astm a706 grade 60 rebar information. Astm a706 a706m16 standard specification for deformed and plain lowalloy steel bars for concrete reinforcement. If you are a selfstarter with a construction background, then we want to talk to you. In contrast to astm a70692b, the scope of specification a61594 for bil. This specification covers bars and coils in four grades, grade 40, grade 60, grade 75, and grade 80. In atc 115 atc 2014, highstrength reinforcing bars hsrb were considered any. Material properties of high strength reinforcement. Tabatabai, evaluation of th e lowcycle fatigue life in astm a706 an d a615 grade 60 steel reinforcing ba rs, journal of materials in civil e ngineering, 22.
Highstrength reinforcing bars introduction grade 60 reinforcing steel, with a yield strength of 60,000 psi, is the most commonly used grade in north america. Conform to astm a185or astm a497, with the gage and mesh as indicated on the plan. Differences between astm a706 and a615 pdf free download. Download astm a615 80 astm a615 grade 40 60 75 astm a706. This rebar grade is processed in open hearths, electric furnaces, or basic oxygen furnaces and is available in numerous grades, including grade 60 and grade 80. In addition to the above, material which is branded and certified as meeting the requirements of astm a61518 and astm a706 16 grade 60 or 80 meets the requirements of both specifications as permitted by section 19. Apr, 2012 astm a706 grade 60 reinforcement remains the preferred reinforcement type for all wsdot bridges and structures. Faq about epoxycoated reinforcing bars introduction the concrete reinforcing steel institute. Astm a615 2014a reinforcing bars can be welded, but may require preheating the bars.
Astm a706 grade 80 reinforcement, with special additional. Astm a706 2014b reinforcing bars are intended for welding without preheating and therefore should be specified for applications that require an appreciable amount of welding. During my investigation it appears the only different is that a615 grade 60 has a higher yield strength but less ductile. Finally, there will be a grade marking 60, 75, 80, 100, 120 or by the addition of one line 60 or two lines 75, three lines 80, 100, or four lines 120 that must be at least five. January 2016 standard specification for deformed and plain lowalloy steel bars for concrete reinforcement. All reinforcing bars specified in the bridge plans barlist are considered to be astm a 706 bars. Note that grade 60 may be indicated either by the number 60 or by a single continuous line.
Most backordered items can be rushed in from the publisher in as little as 24 hours. Note 1bars designated as grade 80 550, which were introduced in the a706 a706m 09a revision, may be outside consideration of consensus design codes and specifications. Stress strain curves from monotonic tests of grade 60 a706 bars. Astm a706 a706m 16 standard specification for deformed and. Astm a36 vrs astm a615 racookpe1978 nuclear 8 mar 18 15. A706 a706m16 standard specification for deformed and plain lowalloy steel bars for concrete reinforcement. Astm a706a706m15 standard specification for deformed. A706 rebar astm a706 grade reinforcing bar black rebar. Reinforcing within the shear walls is a mixture of astm a706 grade 60 and grade 80 reinforcing. Astm a706 rebar is a specification given to lowalloy reinforcing bars in either standard lengths or coiled configurations. Astm a706a706m06a standard specification for lowalloy.
When welding an astm a615 grade 60 rebar or an astm a706 grade 60 rebar to an a36 plate, what gmaw electrode specification must we use. This specification covers deformed and plain carbonsteel bars for concrete reinforcements in cut lengths and coils. Astm a706 a706m15 standard specification for deformed and plain lowalloy steel bars for concrete reinforcement. As stated above, epoxycoated reinforcing bars are readily available from over 35 different crsi certified manufacturing plants. Tensile strengthyield strength tsys ratios of highstrength steel. Tensile property requirements of astm a706 and a615. The grade designation is equal to the minimum yield strength of the bar in ksi psi for example grade 60 rebar has a minimum yield strength of 60 ksi. Astm a615 grades 40 and 60 reinforcement conforming to 6. All bsi british standards available online in electronic and print formats. For sdc d, astm a 706 grade 60 reinforcing steel shall. The reinforcing steel used in these tests conforms to the requirements of astm a615, grade 60 and astm a706, grade 60. Astm a516 grade 60 and asme sa516 grade 60 carbon steel plate.
What are the lead times necessary to order and get the bars fabricated. Reinforcing steel tests construction testing services. The fabricators may also stock materials from other mills, but i would recommend specifying only those bars in elements that require a706 ductility be shown on drawings using a d, with an appropriate plan note or general note indicating the d designates the use of a706 bar in the appropriate grade. Actual yield strenth based on mill tests does not exceed fy by more than 18,000 psi. For a volume license the pdf is licensed to the person in which it is assigned. Astm a706a706m09b standard specification for lowalloy steel. At the bottom of the table are the averages of the mill coefficients of variation for each of the five key parameters. Masteel stock a wide range of carbon steel plates in an array of lengths, widths and thickness according to astm a516 grade 60 and asme sa516 grade 60, ideal for boiler and pressure vessel and storage tank fabrication where improved notch toughness is important. Steel grades according to american standards a36, a572. A706 grade 80 reinforcement for seismic applications. A wide variety of astm a706 grade 60 rebar options are available to you, such as aisi, astm, and gb.
The requirements for air flow is 100 psig of operating. To me, this means that they have the same tensile strength using the upper end of the range for the plate. A706 rebar is a weldable rebar and especially recommended for capacityprotected. Welded wire fabric shall conform to astm a185 or a497. Guidelines for inspection and acceptance of epoxycoated.
Astm a706 grade magazines, astm a706 grade ebooks, astm a706 grade publications, astm a706 grade publishers description. Structure magazine new trends in reinforcing steel high. Reinforcement resisting earthquakeinduced flexural and axial forces in frame members and in structural wall boundary elements shall comply with astm a706. Items meet the minimum mechanical requirements of astm a615 60 andor astm a706 construction. Availability of astm a 706 reinforcing has improved locally, with only a modest price increase over aashto m 31. Purchase your copy of astm a706a706m 16 as a pdf download or hard copy directly from the official bsi shop. Astm a615 grade 60 rebar, except for the loop bars which were astm a706 grade 60 rebar. Harris supply is one of the largest suppliers of steel mesh and reinforcing bar. Reinforcing bar identification marks required by astm specifications. In broad terms, astm a 706 a 706m is more demanding and. Astm a 615 grade 60 reinforcing steel may be used in members where plastic hinging is expected, with the owners approval. Engineering etm15 faq about epoxycoated reinforcing.
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