Anchor Bolts Steel 36 55 and 105-ksi Yield Strength1 StandardSpecificationfor
This standard isissued underthe fixed designation F 1554; the number immediately following the designation indicates the year oforiginal adption or in the caseof revision the year of last revision.Anumber in parentheses indicats the yearof last reapproval. superscript epsilon (t) indicates an editorial change since the last revision or reapproval.
1. Scope*
A751 Test Methods Practices and Terminology for Chemical Analysis of Steel ProductsB 695 Specification for Coatings of Zinc MechanicallyD3951Practice for Commercial Packaging Deposited on Iron and SteelF436Specification for Hardened Steel WashersF606TestMethods forDetermining theMechanicalProp-WashersDirectTensionIndicatorsand ivets erties of Extemally and Internally Threaded Fasteners SrewWshtsnciaradFas ments for Application to Carbon and Alloy Steel Bolts 2.2 Research Coumcil onStrnuchural Comnections Stan-dard:3Specification for Structural Joints Using ASTM A325 or A490 Bolts2.3 ASME Standards:4B 1.3 Screw Thread Gaging Systems for Dimensional Ac- B 1.1 Unified Screw ThreadsceptabilityB 18.2.2 Square and Hex Nuts B 18.18.2M Inspection and Quality Assurance for HighVolume Machine Assembly Fasteners
headless carbon carbon boron alloy or high-strength low- 1.1 This specification covers straight and bent headed andalloy steel anchor bolts (also known as anchor rods). Theanchor bolts are furnished in three strength grades two thread classes and in the sizes specified in Section 4.
1.2 The anchor bolts are intended for anchoring structuralsupports to concrete foundations. Such structural supportsinclude building columns column supports for highway signs street lighting and traffic signals steel bearing plates andsimilar applications.
Grade 55 weldable steel permanent manufacturers and grade 1.3 Supplementary requirements are included to provide foridentification and impact properties for Grades 55 and 105.
applications requiring corrosion protection. 1.4 Zinc coating requirements are included in Section 7 for
1.5The remended grade and style ofnut and washerareincluded in 6.6 and 6.7 for each grade.
1.6This specification doesnot cover the requirements formechanical expansion anchors powder-activated nails orstuds or anchor bolts fabricated from deformed bar.
as the standard. The values given in parentheses are for 1.7 The values stated in inch-pound units are to be regardedinformation only.
3.Terminology
2.Referenced Documents
3.1Definitions of Terms Specific toThisStandard:
3.1.1 anchor bolt-steel rod or bar one end of which isthreadedandprojectsfromtheconcretforanchoringtr intended to be cas in concrete while the opposite end ismaterial to the concrete.The end cast in concrete may be eitherhead ora tappdorweldedattachment toresist forcesmosed straight or provided with an anchor such as a bent hook forgedon the anchor bolt as required.
2.1ASTM Standards:2
A 194/A 194M Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High TemperatureService or BothA 370 Test Methods and Definitions for Mechanical TestingA563Specification for Carbons and Alloy Steel Nuts of Steel ProductsA 673/A 673M Specification for Sampling Procedure forImpact Testing of Structural Steel
3.1.2manufacturer-manufacturer of the anchor bolt;theparty that performs the cutting bending and threading opera- tions.
3.1.3 producer-manufacturer of the steelrods orbars.
his designated agent. 3.1.4 purchaser-purchaser of the finished anchor bolt or
3.1.5 responsible party-see Section 18; this may be themanufacturer or supplier.
3.1.6 supplier-agent who fumishes the finished anchorbolt and nuts to the purchaser; this may be the manufacturer.
4. Classification
4.1The anchorbolts are furnished in three grades denotingminimum yield strength and two classes denoting thread classas follows:
DescriptionGrade Tensile Strengh. buns Size Range ksi (MPa) min ksi (MPa) in. (mm)364 55 58-80 (400-558) 7595 (517655) 36 (248) 55 (380) 14 4 (6.4102) 14 4 (6.4102)105 Class 125150 () 105 (724) 14 3 (6.476)2A 1A anchor bols with Class 1A threads anchor bolts with Class 2A threads
When Grade 36 is specilied a welable Grade 55 may be fumished at thesupplier's option.
4.2Weldable steel for Grade 55 is provided for in Supple-mentary Requirement SI.
5. Ordering Information
5.1 Orders for anchor bolts should include the followinginformation:
tends to perform destructive tests on finished anchor bolts the 5.1.1 Quamity (Number of Pieces)If the purchaser in-manufacturer should be advised so that an adequate number areavailable from stock. produced especially for the sizes and types not readily
5.1.2 Name of product (steel anchor bolt).
5.1.3 ASTM designation and year of issue.
Class 1A or 2A. Weldable Grade 55 may be furnished when 5.1.4 Grade and class that is Grade 36 55 or 105 andGrade 36 is ordered (see 4.1).
5.1.5 Coppr if copper baring steel is requird.
5.1.6 Size and Dimensions-Include the diameter andthreads (based on nominal thread diameter) bolt length threadlength and length of hook if a hook is required or provide adrawing showing the required information.
5.1.7 Zinc coatings in accordance with 7.1. When zinccoatings in accordance with 7.1 are required specify the zinccoating process tobe used that isot dipmehanically deposited or no preference (see 7.1). Also specify the lengthto be coated as measured from the exposed end.
5.1.8 Other Coatings-Specify other protective coatings ifrequired (see 7.2)
5.1.9 Number of nuts either the total number or number perbolt.
number per bolt and dimensions if other than standard. 5.1.10 Number of washers either the total number or
5.1.12 Color coding if different from the standard in 19.1.
5.1.13 Test reports if required (see 17.1).5.1.14 Supplementary requirements if required5.1.15 Special requirements if required.
anchor bolts; ASTM designations including isue date; Grade 55; Class NotE 1An example of a typical order follows: 5000 pieces; steel2A; Supplementary Requirement S 1; 1.0-8-in.thread size by 15-in.long 3.0-in thread length 4.0-in.hook; zine coated by hot dipping 5.0 in fromexposed end; each with one zinc-coated nut and washer test reportrequired.
6. Materias and Manufacture
open-hearth basicxygen or lectricfuae process. 6.1 ProcessSteel for anchor bolts shall be made by the
6.2ThreadingThreads shallbe rolled ut or ground atthe option of the manufacturer unless otherwise specified.
6.3HeatTreatment:
6.3.1When required the anchor bolts may be heat treated todevelop the specified properties. Heat treatment shall be at theoption of the manufacturer.
6.3.2 Heat treatment may be perfomed prior to or aferbending or threading.
6.3.3 When heat treatment is required the anchor bolts shallbe heat treated by quenching in a liquid medium from above the transformation temperature and then tempering by reheat-ing to a temperature not less than 800°F (425°C) for Grade 55and 1100°F (593°C) for Grade 105.
6.4 Bending:
6.4.1 When required hooks shall be made by cold bendingexamined at 10× magnification after bending. or hot bending. The bent portion shall be free from cracks when
6.4.2 Hot bending perfomed on bar stock without heattreatment shall not have the temperature exceed 1300°Fallowed to air cool after bending. (705°C) at any location during hot bending and shall be
not have the temperature e within 100°F (56°C) of the tempering (stress relieve) temperature of the heat-treat processat any location during hot bending and shall be allowed to aircool after bending.
6.4.4 The bending shall not reduce the cross-sectional area
below that required in 10.3.
6.5 Secondary Processing-If a subcontractor or patyother than the manufacturer or producer performs heat treat- ment coating welding machining or ther process affectinthe properties or performance of the anchor bolts the anchorparty responsible for supplying the anchor bolts to the pur- bolts shall be inspected and tested after such processing by thechaser.
6.6 Remended Nuts:
anchor bolts shall conform to the requirements of Specifica- 6.6.1 Unless otherwise specified all nuts used on thesetions A 194/A 194M orA 563 and shall be of the grade surfacefollows: finish and style for each grade and size of anchor bolt as
6.7 Remended Washers:
7.Protective Coatings
7.2 Other Coatings:
Specication A 563 Remended NutAnchor Bolt Grade and Size Plain Hot-Dip or Mechanical Zinc Coated inGrade in. (mm) Size in. (mm) Grade Style Grade accordance with 7.1 Style36 34 11± (6.438) over 1% 4.0 A Hex Heavy Hex A A Hvy Hex Hex(38102) %411≥ (6.438) r. A Hex Hvy Hex55 over 11/ 4.0 A Heavy Hex A A Hvy Hex105 %4 11≤ (6.438) (38102) D Heavy Hex DH Hex DH Hy Hexover 11 3.0 (9-8) DH Hvy Hex
6.6.2 The requirements for the remended grade andgrades or styles listed in Specifications A 194/A 194M or style of nut may be fulfilled by furnishing a nut of one of theA563having a proof load stress equal to orhigher than theminimum tensile strength specified for the anchor bolt.
6.7.1 The washer material and dimensions shall be specifiedin the inquiry and the order (see Note 2).
6.7.2 Unless the requirement of 6.7.1 is met washersconforming to the requirements of Specification F 436 Type 1shall be furnished.
washers shall be zinc coated as specified in 7.1 except that the 6.7.3 When anchor bolts are specifed to be zinc coated thecoating process for the washers need not be the same as that forthe anchor bolts and nuts.
sions greater than oversize or short slot as defined by the Research Council NoTE 2Washers used on anchor bolts installed in holes with dimen-on Struchural Connections require design consideration. (For guidancerefer to Specification for Structural Joints Using ASTM A 325 or A 490 Bolts.)
7.1 Zinc Hot Dip or Mechanically DepositedSpecification F 2329 and mechanically deposited Specifica-tion B 695 Class 50.
7.1.1When zinc-coated anchor bolts with the coating speci-fied in 7.1 are required the purchaser shall specify the zincor no preference. coating process for example hot dip mechanically deposited
7.1.2 When hot-dip is specified the fasteners shall be zinccoated by the hot-dip process in accordance with the require-ments of Specification F 2329.
7.1.3 When mechanically deposited is specified the fasten-ers shall be zinc coated by the mechanical deposition processin accordance with the requirements of Class 50 of Specifica- tion B 695.
7.1.4 When no prefeence is specified the supplier mayfumish either a hot-dip zinc coating in acordance with SpecificationF2329oramechanically deposited zinc coatingin accordance with Specification B 695 Class 50. Threadedponents (bolts and nuts) shall be coated by the samezinc-coating proce and the suppliers optionislmited tn process per item with no mixed processes in a lot.
shall be as specified by the purchaser on the purchase order. 7.2.1 Coatings other than the zinc coatings specified in 7.1
7.2.2Thepletespecificationshalleincldedaspartof
8. Chemical Composition
9.Mechanical Properties
10. Anchor Bolt Dimensions
10.2 Body Diameter:
8.1 Anchor bolts shall have a chemical position con-forming to the requirements listed in Table 1 for Grade 36 and Table 2 for Grades 55 and 105.
8.2 Grade 55 ordered as weldable shall conform to the
requirements specified in Supplementary Requirement S1.
shall not be permitted. 8.3 Anchor bolts made from low-carbon martensitic steel
8.4 The application of heas of steel to which bismuth selenium tellurium or lead has been added intentionally shall not be permitted.
8.5 Product analyses may be made by the purchaser fromfinished anchor bolts representing each heat. The chemical position thus determined shall conform to the requirementsspecified in 8.1 through 8.4.
9.1BarsThe bars or rods from which the anchor bolts aremade shall conform to the tensile properties listed in Table 3 except whenheat treated afterbending orthreading.
to the tensile properties listed in Table 3 for tests on machined 9.2 Anchor BoltsThe finished anchor bolts shall conformspecimens and Table 4 for axial tests on full-size threadedanchor bolts.
10.1 Nominal SizeThe nominal anchor bolt diameter shall
be the same as the nominal thread diameter.
10.2.1 When threads are rolled the body diameter shall notbe less than the minimum pitch diameter for the thread class 1A or 2A designated by the purchaser and specified inANSI/ASME B 1.1. Class 2A shall be fumished when thethread class s not specified.
mum major diameter when threads are cut. 10.2.2 The body diameter shall not be less than the mini-
10.2.3 The minimum body diameters are listed in Table 5based on the requirements specified in 10.2.1 and 10.2.2.
TABLE 1 Chemical Requirements for Grade36
Element Diameter in. (mm) Over 1toTo/ (20) incl Over%to1 (20 to 40) incl 4(40 toCarbon max % 100) inclProduct Heat 0.26 0.29 0.27 0.30 0.28 0.31Manganese % Heat A 0.600.90 0.600.90Phosphorus max % Product A 0.540.98 0.540.98Product Heat 0.04 0.05 0.04 0.05 0.04 900Sulfur max %Heat Product 0.05 0.06 0.05 0.06 0.05 900Copper min % (when specified)Heat Product 0.20 0.18 0.20 0.18 0.18 0.20
^Optional wihthe manufacturer but shallbe cmatible with weldable steel.
10.4 Length:
10.7 Other Dimensions:
11. Thread Dimensions
11.1 Uncoated Anchor Bolts:
TABLE2Chemical Requirements for Grades55 and105
Element Composion， %Phosphorous max Heat Analysis 0.040 Product Analysis 0.048Coppermin (when Cuis xew snyns 0.050 0.058specied)
TABLE3 Tensile Propertiesfor Bars and Machined Specimens
GradeTensle stenhi 5880 36 7595 55 125150 105Tensile strengthMPa Yield strength min ksi (0.2 % offset) (400552) (517655) 36 55 () 105Elongation in 8in.(20omm）.min，% Yield strenhmnMPa(0.% 248 20 380 18 724 12Elongation in 2in. (50 mm) min % A 23 21 15Reduction of Area min % 1 to 2 in. (6.4 to 50 mm) incl 40 45over 2 to 21 in (50 to 63 mm) incl over 21 to 3 in. (63 to 76) incl 40 40 22 20 -45 45over 3 to 4 in. (76 to 102 mm) incl 40 18
Elongation in 8 in. (200 mm) applles to bars. Elongation in 2 in. (50 mm)appliles to tests on machined specimens.
10.3 Bend Section-The bend section of bent anchor boltsshall have a cross-sectional area not less than 90 % of the areaof straight portions. The area in the bend shall be calculated by
where =cross-sectional area in the bendAs =minor (or minimum） diameter at any point generallymajor diameter at the same cross section as and at 90 in the plane of the bend andD degrees to the minor diameter.
to the inside of the hook shall be the specified length ±1 in. 10.4.1 The overall length of straight anchor bolts or length(13 mm) for lengths 24 in. (600 mm) or less and ±1 in. (25mm) for longer bolts (see Fig. 1).
10.4.2 The length of hooks shall be the specified length ±10 % of the specified hook length or ±1 in. (13 mm) whichever is greater.
from that specified by more than ±5° 10.5 Bend Angle-The bend angle of hooks shall not vary
10.6 Coated Lengih-When only the exposed end of theanchor bolt is required to be zinc coated the length of zinc coating shall not be less than that specified on the order.
10.1 through 10.6 shall be as specified by the purchaser. 10.7.1 Tolerances for dimensions other than those given in
10.7.2 When tolerances are not specified they shall be inaccordance with the manufacturer’'s documented standard prac-tice.
11.1.1 Unless otherwise specified uncoated threads shall beUnified Coarse Thread Series as specified in the latest issue ofANSI/ASME B 1.1 and they shall have Class 1A or 2A
tolerancesas specified by the purchaser Class 2A shallbefurnished when the class is not specified.
eter greater than 1.0 in. (25.5 mm) may be specified to have 11.1.2 When required anchor bolts having a nominal diam-threads conforming to the 8-Thread Series (8 UN Series) inANSI/ASME B 1.1 and they shall have Class 2A tolerances.
11.2 Anchor Bolts Zinc Coated in Accordance Wih 7.1 Specification F2329 and Specification B695 Class50:
mechanically zinc coated in accordance with 7.1.1 through 11.2.1 Unless otherwise specified anchor bolts hot dip or7.1.4 (requiring overtapped nuts see Note 3) shall be thethreadsas specified by the purchaserbefore zinc coating. Unified Coarse Thread Series and shall have Class 1A or 2AAfter zinc coating and due to the zinc buildup the pitch andmajor diameters for hot-dip zinc-coated anchor bolts shall notexceed the dimensions listed in Table 6.
6.6.1 when overtapped the diametral allowance for the thread series listed NorE 3Zinc-coated nuts of the grade and style remended inin the table entitled *Thread Dimensions and Overtapping Allowances forNuts" in Specification A 563 will develop the bolt tensile strength required in Table 4 of this specification.
11.2.2 Thread conformance shall be verified during manu-facurencasof disptea calbratedthreadringgageof th same size as the oversize limit specified in 11.2.1 (Class Xtolerancegagetleranelusshaleused tverifyliance. Assembly of the gage shall be possible with hand effort and damage to the gage. following theapplicationof lightmachineoil toprevent galling
11.3 Thread LengthThe thread length shall not vary fromthat specified more than 1.0 in. (25.5 mm) 0.00 in. (0.00 mm).
11.4 Thread Gaging System-Thread acceptability shall bein accordance with System 21 or ANSI/ASME B 1.3 unlessotherwise specified.
12. Workmanship
burraiu 12.1 Anchor bolts shall be mercially smooth and free ofdefects that would make them unsuitable for the intendedapplication.
13. Number of Tests and Retests
13.1 Testing Responsibility:
13.1.1The anchor boltmanufacturer r supplier whicheveris the responsible party as defined in Section 18 shall be responsible for conducting or ensuring that the required testshave been conducted to determine pliance with all of therequirements of this specification and the purchaser order.
13.1.2 Reports of tension tests conducted by the steelproducer on bar stock used to manufacture the anchor boltswithout additional heat treatment may be used to qualify thefinished anchor bolt tensile properties.
13.1.3 The purchaser shall be permitted to perform any ofthe tess and inspections listed in this specification or thepurchaser order.
13.2 Lot Definition:
13.2.1 Bar Stock Tensile Tests-For tensile tests conductedby the steel producer on bars to be used for the manufacture of
TABLE 4Axial Tensile Properties for Full-Size Anchor Bolts
Anchor Bolt GradeNominal Size in. Threads/ Stress Area in.2 95 55 Yield 105in. Strength Tensie Stengh 人 Strength Tensile Strengh BC Strength， Tensile Yield Strength min kibtUnified Coarse Thread Series (UNC) min kbf min kl20 UNC 1.892.54 1.15 2.4-3.0 1.75 3.984.27 3.34% 16 UNC 13 UNC 0.1419 8.2-11.4 4.56.2 28 5.1 10.6-13.5 5.87.36 4.26 7.8 17.7-21.3 9.711.6 14.9 8.14% 11 UNC 10 UNC 0.226 0.334 19.4-26.7 13.118.1 120 8.1 25.0-31.7 17.0-21.5 12.4 18.4 28.2-339 41.8-50.1 23.7 35.19UNC 8UNC 0.462 0.606 26.837.0 35.248.5 16.6 21.8 34.643.9 45.457.6 25.4 33.3 57.869.3 48.5 63.61/% 114 7UNC 7UNC 0.763 0.969 44.3-61.0 56.277.5 27.5 34.9 57.2-72.5 72.792.1 53.3 42.0 95.4114.4 121-145 80.1 1021% 1%4 6UNC 5UNC 1.405 1.90 81.5-112.4 110152 50.6 68.4 105.0133.0 142180 104.5 77.3 176-216 238285 148 2002 2V4 4UNC 4%UNC 2.50 3.25 145200 188260 90.0 117 244-309 188238 138 179 312375 406488 262 3412 2%4 4UNC 4UNC 4.93 4.0 232320 286394 144 177 300380 370468 220 271 616-740 500600 420 51834 4UNC 4UNC 5.97 7.10 412-568 346478 215 256 532-674 448567 390 328 746896 6273 4UNC 8.33 483666 300 625791 458 ... ..3%4 4 4UNC 4UNC 11.08 9.66 560773 643886 348 399 724-918 531 6091/ 8 Thread Series (8 UN)114 Nne 8UN 1.000 45.863.2 58.0-80.0 36.0 53.7 28.4 59.275.0 75.0-95.0 55.0 43.4 98.8118.5 125-150 105 83.0184 11 8UN 8 UN 1.492 2.08 86.5119.4 121-166 74.9 112-142 156-198 82.1 114 186-224 260312 157 2182 21/4 8UN 8 UN 2.77 3.56 161222 206285 128 99.7 208263 267-338 196 152 346416 445534 374 2912V 2%4 8UN 8 UN 5.43 4.44 315434 258-355 160 195 333-422 407-516 299 244 555-666 679-815 570 466314 8 UN 8 UN 6.51 7.69 378521 446615 277 234 488-618 577731 358 423 814-976 6843%4 3% Nn8 8UN 10.34 8.96 520717 600827 323 372 776982 672851 493 569 ... ...8 UN 11.81 685945 425 650
AStress areas extracted from ANS/ASMEB1.1. Cied strenghmeureda0.2%offse Tensile proertiescalculatedfromthe tensilerequirements giveninTable3.Anchorbolsto1in(4.5m）and largewtUthreads andthenutsoveraedtthemistatedin2.1illnotdevelopthe tenslestrengthinTable 4lupes su o peddo e snu eu uem ns whentheboltandnut dimensionsapproachtheminmummaterialimits oANSIASME1.1andB18.2.2See11.2.1frthread seriesthathavebeenqualfed r
anchor bolts a lot shall consist of bars from the same heat having the same diameter and if heat treated heat treated inthe same furnace lot.
Composifon Test one per heat minimum Number of TestsTensile tests one per lot min as defined in 13.2.1Bar sbck Anchor bolts in accordance with Table 7 and Table 8 on each lot deCoating weight and fined in 13.2.2thickness DimensionsWorkmanship Thread conformance in accordance with Table 7 and Table 8 on each lot de- fined in 13.2.2Overallpliance
13.2.2 All OtherTestsAlot is aquantity of product of onequently submitted for final inspection at one time. The maxi- part number made by the same production process and subse-mum lot size traceable to final inspection shall not be largerthan 250 000 pieces.
13.3 Test Frequency:
13.3.1 The number of tests shall be as follows and in Table7 and Table 8:
