Astm a615a615m15 standard specification for deformed. The s t a n d a r d now covers grade 40 bars only in. Guidelines for inspection and acceptance of epoxycoated. Its strength and performance characteristics are grade dependent, and a615 rebar is available in a full range of standard sizes, including. Steel strength astm a615 grade 60 rebar plain or epoxy coated yield fy x tensile stress area tensile ft x tensile stess area shear. During my investigation it appears the only different is that a615 grade 60 has a higher yield strength but less ductile. A615 grade 40 for tmt wire rods and astma 615 grade 40grade 60 for. Astm 615 steel chemical composition, metal properties. Masteel stock a wide range of carbon steel plates according to astm a grade 60 and asme sa grade 60, ideal for boiler and pressure vessel.
Astm a615 strength of materials engineering free 30. In the following sections, information is provided on the material properties of hsrb and how those properties compare to grade 60 reinforcing bars. Astm a615a615m18e1 standard specification for deformed. Pdf a comparison of astm a615 grade 60 and grade 80. Astm a615a615m standard specification for deformed. Sidewalks, driveways, or other flat pours astm specifications astm a 615 deformed and plain billet steel bars for concrete reinforcing. Astm a615 a615m00, standard specification for deformed and plain billetsteel bars for concrete reinforcement, astm international, west conshohocken, pa, 2001.
Astm a615 a615m 00 standard specification for deformed. Note that not all bar sizes are available in all grades. Maintain concrete cover of no less than 1 inch 25 mm over all reinforcing steel. See the chemical composition and physical properties of astm a615 grade 420 designation no. All values based on properly installed keligroutkeligrout 101p per technical data sheets. For ductility properties elongation and bending, test provisions of the nearest smaller nominal diameter deformed. 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. This specification covers bars and coils in four grades, grade 40, grade 60, grade 75, and grade 80. Therefore, a splice test exceeding 75,000 psi meets the type 1 requirement for a615. Billet steel a615 grade 60 re i n f o r cing bars conforming to a615 are the most widely used type and grade of re i n f o rcing steel.
Astm a615 only requires that the yield stress of a grade 60 bar needs to exceed 60 ksi. The variability of the chemical composition of steel reinforcing bars is evaluated and expressions are developed to represent the probability distribution functions for different chemical. Astm a615 a615m 09b standard specification for deformed and plain carbonsteel bars for concrete reinforcement. Deformed bar g60 astm a615a615m agha steel industries. Astm a36 vrs astm a615 structural engineering general. Astm a615 covers deformed and plain carbon steel bars for concrete reinforcement. Astm a615a615m12 standard specification for deformed and. Astm a615 grado 60 pdf posted on june 6, 2019by admin this standard is issued under the fixed designation aam. Astm designation a615, grade 40 or 60, open hearth, basic oxygen or electric furnace new billet steel. Variability of chemical analysis of reinforcing bar. 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. The system is assembled in a controlled factory environment in order to provide the quality demanded from a harsh construction environment. Deformed a615 grade 60 rebar increases the tensile strength of concrete, and can be used for both primary and secondary reinforcement. 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 grade designates the yield strength of the material, i. Bars meeting astm a706a706m are available in yield strength grades of 60 and 80 420 and 550. Abstract this specification covers deformed and plain carbonsteel bars for concrete reinforcements in cut lengths and coils. Our reinforcing steel conforms to astm a61518, grade 40, 60, 75, 80 or 100 or astm a70616 grade 60 or. Deformed bar g 60 astm a615a615m astm a615 grade 60 rebar offers a minimum yield strength of 60,000 pounds per square inch, or 420 megapascals on the metric grading scale.
Unless noted by these specifications, rail steel or axle. A comparison of astm a615 grade 60 and grade 80 reinforcing bars in tiltup panels poster pdf available april 2018 with 758 reads how we measure reads. Astma615 standard specification for deformed and plain. Metals to meet all needs steellinx rebar oneonta, ny. It helps absorb stress and weight, and facilitates the more even distribution of the tension caused by the expansion and contraction of concrete when it is exposed to heat and cold, respectively. For ductility properties elongation and bending, test provi sions of the nearest smaller nominal diameter deformed bar. Astm 615 can be supplied as steel plate sheet, round steel bar, steel tubepipe, steel stripe, steel billet, steel ingot, steel wire rods. January 1, 2020 certificate of compliance astm a615.
All bar shall comply with astm a615, grade 60 mm, 420 mpa. 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. Astm a615 a615m 09 standard specification for deformed. Materials considered under this specification are available in grades 40 280, 60 420, and 75 520. These numbers also represent the minimum yield strength mea sured in ksi. Cannot be used in applications where mill certified products are required. Astm a615, aashto m31mm31, and grade 40 or 60 as specified on the. Bars meeting astm a706 may be ordered as grade 60 or 80.
In addition to the above, material which is branded and certified as meeting the requirements of astm a615 18 and astm a70616 grade 60 or 80 meets the requirements of both specifications as permitted by section 19. Astm a615 a615m 20 standard specification for deformed. It is typically used in construction, bridge building, and road building etc. Astm a615 grade 75 reinforcing steel structure magazine. Highyielddeformed steel bars for concrete reinforcement insizes 1032 mm and 12 meter longare produced by quenching. Astm a615 a615m 12 standard specification for deformed. 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.
Astm a615a615m09 standard specification for deformed. The units are used on site by nailing to the formwork or wire tied to the main reinforcement, prior to a concrete pour. No grade no grade rebar is not tested as it is rolled. Bars meeting astm 996 a996m are not as readily available as the other two steel types, but railsteel bars are. Astm a615 grado 60 pdf this standard is issued under the fixed designation aam. All bar steel reinforcement shall be of the deformed type. Refer to the applicable astm specifications for more information. For ductility properties elongation and bending, test provisions of the nearest smaller nominal diameter deformed bar size shall apply. Astm a615 a615m 14 standard specification for deformed. Astm a615a615m standard specification for deformed and. When the american society for testing and materials astm first adopted their. Bars meeting astm a615 a615m are available in yield strength grades of 40, 60, 75, 80 and 100 280, 420, 520, 550, and 690.
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