AnchorBolts Steel 36 55 and105-ksiYield Strength StandardSpecificationfor
This std is id de the fd desigatio F1554; e er meily follig th design ndictes th ar f oiginldtii h f i l isipyrof lt . superscript epsilon (e) indicates an editorial change since he last revision erespproval.
1. Seope*
2.Referenced Documents
2.1ASTM Standards:2
1.1 This specification covers straight bent headed andheadless anchor bolts (also known as anchor rods) made of carbon medium carbon boron alloy or high-strength low-two thread classes and in the diameters specified in Section 4. alloy steel It provides for anchor bolts in three strength grades The specification also covers all-thread rod for use in anchor-ing to concrete. References to anchor bolts in this standard do not necessarily exclude all-thread rod.
A6/A6M Specification for General Requirements for RolledA194/A194M Specification for Carbon Steel Alloy Steel and Stainless Steel Nuts for Bolts for High Pressure orA370 Test Methods and Definitions for Mechanical Testing High Temperature Service or BothA563 Specification for Carbon and Alloy Steel Nuts of Steel ProductsA673/A673M Specification for Sampling Procedure for Im-A751 Test Methods Practices and Terminology for Chemi- pact Testing of Structural SteelB695 Specification for Coatings of Zinc Mechanically De- cal Analysis of Steel ProductsF436/F436M Specification for Hardened Steel Washers Inch posited on Iron and SteelF606/F606M Test Methods for Determining the Mechanical and Metric DimensionsProperties of Externally and Internally ThreadedF1789 Terminology for F16 Mechanical Fasteners Fasteners Washers Direct Tension Indicators and RivetsF2329/F2329M Specification for Zinc Coating Hot-Dip Requirements for Application to Carbon and Alloy SteelBolts Screws Washers Nuts and Special Threaded2.2American InstinteofSteelConstruction? FastenersDesign Guide 1: Base Plate and Anchor Rod Design 2.3 ASME Standards:B 1.1 Unified Inch Screw Threads (UN and UNR Thread Form)B 1.3 Screw Thread Gaging Systems for Acceptability: InchB 18.2.1 Square Hex Heavy Hex and Askew Head Bolts and Metric Screw Threads (UN UNR UNJ M MJ)and Hex Heavy Hex Hex Flange Lobed Head and La
1.2 Anchor bolts are intended for anchoring structuralinclude building columns colum supports for highway signs supports to concrete foundations. Such structural supportsstreet lighting and traffic signals steel bearing plates and similar applications
1.3 Supplementary requirements are included to provide foridentification and impact properties for Grades 55 and 105. Grade 55 weldable steel permanent manufacturers and grade
1.4 Zinc coating requirements are in Section 7.
1.5 Suitable nuts and washers are listed in 6.7 Washers aredetailed in 6.8.
anchors powder-activated nails or studs or anchor bolts 1.6 This specification does not cover mechanical expansionfabricated from deformed bar.
as standard. No other units of measurement are included in this 1.7 The values stated in inch-pound units are to be regardedstandard.
dance with intemationlly recognized principles on standard 1.8 This international standard was developed in accor-ization established in the Decision on Principles for theDevelopment of Intermational Standards Guides cnd Re- mendatioms issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.
Screws (Inch Series)
B 18.2.2 Square and Hex Nuts
B 18.18 Quality Assurance for Fasteners
3. Terminology
3.1 Definitions of Terws Specijfc to This Stondard:
isintended to be cast in concretewhile the oppositeend stock or wire and partially or fully threaded one end of whichprojects from the concrete for anchoring other material. The end cast in concrete may be either straight or provided with anuplift-resisting feature such as a bent hook forged head or atapped or welded attachment.
3.1.2 producer--manufacturer of the steel bar stock or wireused for anchor bolts.
Terminology F1789. 3.2 All other terms in this standard are used as defined in
4. Classification
4.1 Anchor bolts may be furmished in three grades (denotingminimum yield strength) and two classes (denoting thread class) as follows:
Descrigtion Yield Strength Diameter Range.Grade ksi (MPa) min ksi (MPa) in.36 55 5880 (400-558) 7595 (517655) 36 (248) 55 (380) %4 6Class 105 1A 125150 () anchor bols with Class 1A threeds 105 (724) -32A anchor bols with Class 2A threds
5. Ordering Information
5.1.3 ASTM designation and year of issue.
5.1.5Coptentf op aring stel isreq 5.1.4 Grade and class
peppunuoq 5.1.6 Size and DimensionsNominal diameter and threadhook angle and hook length (if required).
5.1.7Coatingsfrequiredthe coating processand thelength to be coated as measured from the exposed end. See Section 7.
5.1.8 Number of nuts. See 6.7.
material if applicableSee 6.8. 5.1.9 Number of washers and washer dimensions and
5.1.10 Source inspection requirements if any. See Section 15.
bolts; ASTM F1554-15 Grade 55; Class 2A; 1.0-8 tpi. diameter by 15-in. NoTE 1An example of a typical order follows: 5000 pieces; anchorlong 30in. thred length 4 0-in hol; zin-cted by hot diping 5.0 in. from exposed end; each with one zinc-coated mut and washer; test repoetrequired; Supplementary Requirement S1 required.
6. Materials and Manufacture
6.3 Heat Treatment:
6.5 Bending:
6.7 Nuts:
^See Note 3 and Section 7.
6.1 Proces-Steel for anchor bolts shall be made by theopen-heath basic-oxygen r electricfumace process.
option of the manufacturer unless otherwise specified. 6.2TredinThreads shallbe rolled cut or ground at the
treated. Heat treatment may be performed prior to or after j oq egs (e m a sq so ap 1'9bending or threading.
their raw material) shall be quenched in a liquid medium from 6.3.2 When heat treatment is performed anchor bolts (orabove the transformation temperature and then tempered by reheating to a temperature not lessthan 800°F for Grade 55 and1100°F for Grade 105.
weldable. See Note 2. At the manufacturer's option a weldable 6.4 WeldabiliryGrade 36 anchor bolts are consideredGrade 55 may be supplied when Grade 36 is specified. Weldable ste for Grade 55 is provided forin SupplementaryRequirement S1.) See 17.1.1.
6.5.1When required bending may be perfomed by hot orcold-bending at themanufcturer’soptionhebent orionshall be free from cracks when examined at 10x magnification afterbeningnybending shall t reduce thecosssetionaarea below that required in 10.3.
air cool after bending. bolts shall not exceed 1300°F. Anchor bolts shall be allowed to
6.5.3 The maximum hot bending temperature for heat-treated anchor bolts shall be less than 700°F for Grade 55 and less than 1000°F for Grade 105. Anchor bolts shall be allowedto air cool after bending.
facturer or producer performs heat treatment coating welding 6.6 Secondary ProcessingIf a party other than the manu-properties that pary shall nspect or test the anchor bolts forthe affcted properties.
6.7.1 Remended nuts from Specification A563 for cachgrade and diameter of the anchor bolt are as follows:
Anchor Bolt Grade and Specitication A563 Nut Hot-Dip er MechanicalDiameter in. Plain sccordaence wfth Sec- Zinc-coated in on 74Grade 36 Diameter in 6-1% Grade A Hex Style Grade A Hex Sylo56 6-16 over 11分 A A Heavy Hex Hex A A Hesy Hex Heivy Hex105 0ver 1 4 AII A DH Heavy Hex Heavy Hex DH A Heery Hex Heavy Hex
Specifications A194/A194M or A563 having a proof load 6.7.2 A listed nut may be substituted by a nut listed instress equal to or higher than the anchor bolt's specifiedminimum tensile strength.
zinc-coated by the same process as the bolts. See Section 7 and 6.7.3 Nuts for use with zinc-coated anchor bolts shall beNote 3.
6.8 Washers:
6.8.1 Unless the washer material and dimensions are other-wise speifdinthinqury nd theder washer cnoming to the requirements of Specification F436/F436M Type 1 shallbe furmished. (See Note 4.)
6.8.2 Unless otherwise specified when zinc-coated anchorbolts are specifed the washers shall be zinc coated inaccordance with 7.1.4.
No 2Many factors potentilly affect stel weldability; this specifi-d nanchor bolts are to be weded weling procedures and techiques are of funametal mpotance.Welding rocedres suitable fr thebolt's grade chemistry condition (that is hot-rolled cold-drawn or heat-treated) and intended use or service should be utilized.
whvedidithed Nom 3Zinc-coated muts of the grade and style remended in 6.7 in Specification A563 will develop the bolt tensile strength required in Table 2 of this specification. However coated suts with 8 UN threads inthe minimum material limits of ASME B 1.1 and B 18.2.2 nespectively. sizes 1-3 in. and larger when overtapped will not develop the tensile strength in Table 2 when the nut and associated bolt dimensions apprach
holes may require design consideration. (For guidance rfer to AISC Nore 4Washers used on anchor bolts or installed over base plateDesign Guide 1.)
7. Protective Coatings
7.1 Zinc Hot Dip or Mechanically Deposited:
nd a u e soqoe pz u11chaser hall ecify thecoating pcess rxam didsd p s dosdsss is specified the supplier may furmish bolts coated with eitheritem with no mixed processes in a lot.
the anchor bolts and nuts shall be zinc-coated in accordance s e owith the requirements of Specification F2329/F2329M.
7.1.3 When mechanically deposited zinc coated anchorbolts are provided the anchor bolts and nuts shall be zinc-coated in accordance with the requirements of Specification B695 Class 55.
are required the washers shall be hot-dip zinc-coated in 7.1.4Ulessotherwise specifed when zinc-cated washersaccordance with Specification F2329/F2329M or mechani- cally deposited zinc coated in accordance with Specificationbe the same as that for the anchor bolts and nuts. B695 Class 55.The coating process for the washers need t
7.2 Other Coatings:
coatings other than those in 7.1 shall be as agreed upon by the 7.2.1 When indicated on the inquiry and purchase order purchaser and supplier.
8. Chemical Composition
tions listed in Table 1. 8.1 Anchor bolts shall conform to the chemical posi-
8.2 Grade 55 ordered as weldable shall conform to therequirements specified in Supplementary Requirement S1.
9. Mechanical Properties
10. Anchor Bolt Dimensions
where:
10.4 Lengrh:
TABLE 1 Chemical Composition Requlrements
Grade 36 Grades55Element Diemeiers up to % Ove%10 4 and 105 A1Carbon max % incl incl* DlametersProduct Heat 0.25 0.28 0.25 0.28 **Mangsnese max % Product Heat 11 0.90 0.98 "Phosphous max % Heat 0.04 0.04 0.04Sulfur max % Preduct 0.05 0.05 0.048*Copper min % (when Heat Product 0.06 0.06 0.05 0.06 0.058 0.05speclled) Heat 0.20 0.20 0.20Poduct 0.18 0.18 0.18
Fh01ildCannof 0.06 % Manganese above he specified maximum is permited up to a m8ximum of 1.35 % Mn.
8.3 Anchor bolts made from low-carbon martensitic steelshall not be permitted.
selenium tellurium or lead has been added intentionally shall 8.4 The application of heats of steel to which bismuth not be pemitted.
are made when tested as permitted in 14.2.6) shall conform to 9.1 Finished anchor bolts (or the bar stock from which theyon full-size specimens and drawn coupons or in Table 3 for the tensile properties listed in Table 2 for axial tests performedtests performed on machined specimens. See 14.2.
be the same as the nominal thread diameter. 10.1 Nominal Size-The nominal anchor bolt diameter shall
10.2 Body Diameter-Finished anchor bolts’ body diam-eters shall measure no less than the dimensions in Table 4.
10.3 Bend SecrionThe bend section of bent anchor boltsshall have a cross-sectional area not less than 90 % of the areaof straight prtionsThe arean theend shallbecalulatdb the following formula:
As cross-sectional area in the bend D = major diameter at the same cross section as and at 90d minor (or minimum) diameter at any point generally in degrees to the minor diameter andthe plane of the bend.
10.4.1 The overall length of straight anchor bolts or lengthto the inside of the hook if present shall be the specified length ±1 in. for lengths 24 in. or less and ±1 in. for longer bolts(see Fig. 1).
Anchor Bolt GradeNominal Dismeter in. Threads/ in. in.? Tensile Strengtt 35 Yield min Tensle Load Bf 55 105 Yield min lfUnifled Crse Thad Series (UNC) et bf Yeld min Ibf Tenslle Load Ibf% 13UNC ONN 0.1419 0.226 13 100-18 100 5100 100 17 000-21 500 10 60013 500 12 400 7800 28200-33 900 17 700-21 300 23 700 14 900% % ON04 9UNC 8UNC 0.334 0.462 0.605 19 40026 700 26 80037 000 35 20048 500 16600 21 800 12 000 25 00031 700 34 60043 900 45 40057 600 18 400 25 400 33 300 57 800-69 300 41 80050 100 35 100 48 500 63 6001% 1% 1 7UNC 7UNC 0.763 0.989 44 30061 000 56 20077 500 27 500 34 900 57 20072 500 72 70092 100 42 000 53 300 95 400114 400 121 000145 000 102 000 80 1001% 1% N ONN 9 1.405 1.90 110 000152 000 81 500112 400 50 600 68 400 106 000133 000 142 000180 000 104 500 77 300 176 000-216 000 238 000285 000 000002 148 0002% 2% 2 4%UNC 4% UNC 4 UNC 2.50 3.25 4.00 232 000320 000 188 000260 000 145 000200 000 117 000 144 000 90000 244 000309 000 000 000000000 188 000238 000 179 000 220 000 138 000 312 000375 000 406 000488 000 500 000800 000 000 420 000 262 0002% 3 4 UNC 4UNC 5.97 4.93 346 000478 000 000160-000962 215000 177 000 370 000468 000 448 000567 000 328000 271 000 616 000740 000 746 000-896 000 518 000 627 000316 4 UNC 4 UNC 8.33 7.10 412 000-568 000 483 000666 000 256 000 300 000 532 000-674 000 625 000791 000 390 000 458 000 ... ... ... ...3% 4. 4 UNC 4 UNC 11.08 9.66 560 000-773 000 543 000-886000 8 Thread Series (B UN) 299000 348000 831 0001 053 000 724 000918 000 531000 609 000 ...1% 8UN 0.790 45 800-63 200 28 400 59 200-75 000 43 400 98 800-118 500 83 0001%% 1% 8 UN 8 UN 1.000 1.482 86 500119 400 58 00080 000 36 000 53 700 112 000142 000 75 00095 000 82 100 55 000 000-00002 125 009150 000 186 000224 000 105 000 157 0001% 2% 2 8UN 8UN 8 UN 2.08 3.56 2.77 206 000285 000 161 000-222 000 121 000166 000 128 000 99700 74 900 156 000198 000 208 000263 000 267 000338 000 196 000 114 000 152 000 346 000-416 000 445 000-534 000 218 000 291 000 374 0002% 2% 8UN 8 UN 5.43 4.44 315 000434 000 258 000355 000 160 000 195 000 333 000422 000 407 000516 000 244 000 299 000 679 000815 000 555 000-666 000 570 000 466 0003%4 3 8UN 8UN 6.51 7.69 378 000-521 000 446 000-615 000 277000 234 000 488 000618 000 577 000731 000 358000 423 000 814 000976 000 ... 000 993 3% 4 8UN 8UN 8UN 11.81 10.34 8.96 600 000827 000 685 000945 000 520 000717 000 372 000 425 000 323 000 886 0001 122 000 776 000982 000 672 000851 000 493 000 569 000 650 000
Tenle plecalcdfm n uints gnin T Y nh msud .% oe.
TABLE 3 Tensile Properties for Bars and Machined Speclmens
36 Grade 55 105Tensle strengh ksi Yild steng min i (0.2% ofs) 5880 96 7595 55 125150 105Elongation n 8 in. min %^ Elongation in 2in.min % Redution of Aree min % 20 23 40 18 21 30 12 15 45
Engto in apls toblnan n 2inals mchid specimens.
length ±10 % of the specified hook length or ± in. 10.4.2 The length of hooks shall be the specified insidewhichever is greater. (See Fig. 1 Dimension “h".)
bolt is required to be coated the coated length shall not be less 10.5 Coated Length-When only a portion of the anchorthan that specified on the order.
fied length 1.0 in. 0.00 in. 10.6 Thread LengthThe thread length shall be the speci-
10.7 Bolr Heads-At the manufacturer's option headedbolts conforming to ASME B18.2.1 unless otherwise speci-fied.
11. Thread Dimensions
11.1 Uncoated Anchor Bolts:
11.2 Zinc Coated Anchor Bolts:
specified angle ±5° 10.8 Bend Angie-The bend angle of hooks shall be the
10.9 Other DimensionsUnless otherwise specified toler-be in accordance with the manufacturer’s practice. ances for dimensions other than those given in this section shall
2A anchor bolts shall conform to Class 1A and 2A Unified 11.1.1Unless otherwise specified threads on Class 1A andCoarse Thread Series of ASME B 1.1 respectively. When ananchor bolt class is not specified Class 2A shall be furnished.
11.1.2 For diameters above 1.0 in a purchaser may specifythreads conforming to Class 2A 8 UN Thread Series of ASME B1.1.
threads shall conform to Class 1A or 2A Unified Coarse 11.2.1 Unless otherwise specified zinc-coated anchor bolts1.125 through 1.50 in a purchaser may specify threadsconfoming to Class 2A 8 UN Thread Series of ASME B1.1 before coating (see Note 3）. After zinc coating the pitchdiameter and major diameters shall not exceed the dimensions listed in Table 5.
TABLE 4Minimum Body Dlameters^
Body Dimetert min in.Diameter in Nominal Threads/ in. Class 1A Roled Threads* Class 2A Cu ThresdsUnifed Cosrse Thpad Series (UNC)% 6 13 UNC 11 UNC 10 UNC 0.4411 0.5561 0.6744 0.4436 22290 0.5589 0.4822 0.6052 0.7288% 1 9UNC 8 UNC 0.7914 0.9067 0.7946 0.9100 0.9755 0. 1% 7 UNC 7 UNC 6 UNC 1.0191 1.1439 1.3772 1.3812 1.0228 1.1476 1.0982 1. 1% 2. 4UNC 5 UNC 1.6040 1.8385 1.6085 1.8433 1.4703 1.7166 1.96412 2%4 4% UNC 4 UNC 2.0882 2.3190 2.3241 2.0931 2.2141 2.46122% 3%4 3 4 UNC 4 UNC 4 UNC 2.5086 2.8183 3.0680 3.0734 2.5739 2.8237 32110 2.7111 2.96113 3% 4 UNC 4 UNC 3.3177 3.5674 3.5730 3.3233 3.4610 3.71094 4 UNC (N] oug e 8 38172 3.8229 3.960913% MI 194 BUN 8 UN 8 UN .... 1.0348 1.1597 1.4093 1.1004 1.2254 1.47531% 2 8 UN 8UN ... ... 1.6590 1.9087 1.7252 1.97522% 2% NN 9 8 UN ... ... 2.1584 2.4082 2.2251 2.47513% 3 8UN BUN NN 8 ... ... 2.6580 2.9077 3.1575 2.7250 2.9749 3. 3% 8 UN NN 9 ... .. ... 3.4074 3.6571 3.4749 3.72484 8 UN 3.9070 3.9748
Extractled fom ANSIASME8 1.1CMirimum booy dameteris the same as minmummajor dametet.
TABLE 5 Allowable Zinc Buildup on Coated Threads and Corresponding Thread Dimensions
Diameter in. Nominal uyspe Diametral Zinc_ Buildap in. Ancher Bolt Dlametec max in. Major Pitch% 13 11 0.018 0.020 0.5165 0.6434 0.4685 0.5844% % 10 9 0.020 0.022 0.7682 0.8951 0.7032 0. 1 8 0.024 0.024 1.0220 1.1469 1.0657 80*60114 116 1% 7 8 0.024 0.024 0.024 1.1468 1.2719 1.2718 1.1667 1.0540 1.574011% 1%4 8 6 0.027 0.027 1.5248 1.5246 1.4436 1.41631%% 2 4.5 5 0.050 0.050 2.0471 1.7973 1.9028 1.66742% 2%4 2% 4.5 4 4 0.050 0.050 0.050 2.2971 2.5469 2.7968 2.3845 2.6344 2. 3 4 4 0.050 0.050 3.0468 3.2967 3.1343 2.88443% 3% 4 4 0.050 0.050 3.5467 3.7966 36342 3.38434 0.050 4.0466 3.8842
h = inside length of hock1 = inside length of boit t = length of threads (exposed end) = Iength of threads (encased end] when requiredz = length of zinc coating min when partial zinc coating is required FIG. 1 Anchor Bolt Dimensions
Thee yses are he sme s the cvertap requrmerts frzhced nutsgiven in Specilicatlion A563.
