AnchorBolts Steel 36 55 and105-ksiYield Strength1 Standard Specificationfor
a p a q [ p i is ar A e y l Aspip s idi dil chn s e t
A 751 Test Methods Practices and Terminology for Chemical Analysis of Steel ProductsB 695 Specification for Coutings of Zinc Mechanically Deposited on Iron and SteelD 3951 Practice for Commercial PackagingF 436 Specification for Hardened Steel Washers F GOo Test Methods for Determining tie Mechanical Prop-erties of Extemally and Interally Threaded Fasteers Washers Direct Tension Indicators and RivetsF 2329 Specification for Zinc Coating. Hot-Dip. Require- ments for Application to Carbon and Alloy Steel Bolts.2.2Research Council on Stractaral Counectios Stun- Screws WasheNuts and ial Theaed Fasdard:3Specification for Structural Joints Using ASTM A 325 or A 490 Bolts2.3ASME Standurds B 1.1 Unified Screw ThreadsB 1.3 Screw Thread Gaging Systems for Dimensional Ac- ceptabilityB 18.2.2Square and Hex Nuts B 18.18.2M Inspection and Quality Assurance for HighVolume Machine Assembly Fasteners
1. Scope*
headless carbon carbon boron alloy. or highsrength low- 1.1This specification covers straight and bent headed andalloy steel anchor bolts (also known as anchor rods) The anchorolts arefuished inthee strength gadesw dclasses and in the sizes specifed in Section 4
1.2 The anchor bolts are intended for anchoring structuralsupports toconcrete foundationsSuch sructural sopports includebuilding colums colum supports forhighway sigs pe sd fuq aas sells ogen pue lu ssimilar applications.
1.3Supplementaryrequirements are included to provide frGrade 55 weldable stoel pemanent manufacturers and grade identifictionand imact propertiesforGrades55and05.
applications requiring corrosion protection. 14Zinccotingrequiremens are inlued inSetion7f
incloded in 6.6 and 6.7 for cach grade. 1.5 The remended grade and style of nut and washer are
1.6This specifiction doesnotcovertherqirements formcchanical cxpansion anchors. powder-activated mails or studs or anchor bolts fabricated from deformed bar.
as the standard. The values given in parentheses are fer 1.7The vales statd in inch-pound units are obe regardedinformation only.
3.Terminology
3.1 Definitions of Tems Specjfic to This Standand:
2. Referenced Documents
3.1.1 anchor bolsteel rod or bar one end of which isintendedtobe casinconcretewhile the opposite cndis threaded and projects from the concrete for anchoring othermaterial to theconretehendcastinconretmybitr straight or povided with ananchor suchas abet hook foredhead ora tapped or welded attachment to resist fores imposedon the anchor boll as required.
2.1ASTM Stamdands：2
A 194/A 194M Specification for Carbon and Alloy SteelNuts for Bolts for High Pressure or High Temperature Service or BothA 370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA 563 Specification for Carbons and Alloy Stcel Nuts A 673/A 673M Specification for Sampling Procedure forImpact Testing of Structural Steel
3.1.2 manafacnarermanufacturer of the anchor bolt: theparty that perfoms the cutting bending and threding opra tions.
3.1.3 prodcer-manufacturer of the steel rods or bars.
3.1.4 purchaser-purchaser of the finished anchor boll orhis designated agent.
3.1.5 responsible porty-see Section 18; this may be themanufacturer or supplier.
3.1.6 sapplier-agent who furmishes the finished ancher
bolt and nts to the purchaser; this may be the manufacturer.
4. Classification
4.1The anchor bolts are fumished in three grades denotingminimum yield strength and two classes denoting thread class as follows:
Tensile Strengm. Descripion Yeid Strength wng onsGrade kgi (MPa) min ksi (MPa) in. imm）55 36* (001296) 01521 7595 (517655) 5880 (400556) 36 (248) 55(380) 14-4 (5.4-102) % 4 (6.4102) 14 3 (6.476)105 1A Class anchor bols wth Class 1Areads 105 (724)2A anchor bolts with Cless 2A freads
Whn Grd 36 is secifes a wible Grad 5my be hmihd at euogdo sddns
mentary Requirement SI. 4.2 Weldable steel for Grade 55 is provided for in Supple-
5. Ordering Information
information: 5.1 Orders for anchor bolts should include the following
tends to peform destctive ests on finished anchor bols the 5.1.1 Quauiry (Namber of Pieces)f the purchaser in-produced. especially for the sizes and types not readily manufacturer should be advised so that an adequate numbr aeavailable from stock.
5.1.2 Name of product (steel anchor bolt).
5.1.3 ASTM designation and year of issue.
Class IA or 2A. Weldable Grade 55 may be furished when 5.1.4 Grade and clss that is Grade 36 55 or 105 andGrade 36 is ordered (see 4.1).
5..5Cfbisq
threadsbsednnominal theaddimeer)bolt ngthread 5.1.6 Sice and DimensionsInclude the diameter andlength and lngth f book if a hook is requiredor 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 zinc coatingpocess to besedhat ish dipmchicllydepositdor no prfeece (see 7.1)Als pcify the lngh to be coated as measured from the exposed cnd.
5.1.8 Oter CotingsSpecify other protective cotings. ifrequired (see 7.2).
5.1.9Number of nuts cither the total number or mumber perboll.
5.1.10 Number of washers.either the total number ornumber per bolt and dimensions if other han standard.
5.1.11 Inspection at place of manufacture if required (see15.1).
5.1.12 Color coding if difeent from the standard in 19.1.
1554-07a
5.1.13 Test reports if required (see 17.1). 5.1.14 Supplementary requirements if required.5.1.15 Special requirements if required.
anchor bols: ASTM designtions including isue de; Grade 55:Class Nors 1An example of = typical order follows: 5000 pieces: steel2A:SeyiS108itdsi15i 3.0-in. thread length 4.0-in. bok; zic coted by hot dipping 5.0 in. fromcsposed end: eah wih one zinc-cd m and washer 1est rpon rnquired.
6. Materials and Manufacture
open-hearth basic-oxygen or electric-furnace process. 6.1 Process-Steel for anchor bolts shall be made by the
6.2ThreingThreads shall be rllecutor groud tthe option of the manufacturer unless otherwise specified.
6.3Heat Treatment:
develop the seciid properties. Heat reatnt shll be at e 6.31When reqid the anchor bots may be heat tred toption of the manufacturer.
6.3.2 Heat treatment may be performed prior to or afterbending or threading.
6.3.3When heat treatment is required the anchor bolts shallbe heat treated by quenching in a liquidmedium from abovethe transformation temperature and then tempering by reheat- ing to a temperature not lessthan 800°F (425°C) for Grade 55and 1100°F (593°C) for Grade 105.
6.4 Bending:
orhot bending.The bent portion shall be free from cracks when 6.4.1When required hooks halle ude by cold bendingexamined at 10× magnification after bending.
6.4.2 Hot bending performed on bar stock without heattreatment shall not have the temperature exceed 1300°F(705°C) at any location during hot bending and shall be allowed to air cool after bending.
not have the temperature e within 100°F (56°C) of the 6.4.3 Hot bending perfonmed on heat-treted bar stock shallat any location during hot bending and shall be allowed to air tempering (stress relieve) temperature of the heat-treat processcool after bending.
6.4.4The bending shall not reduce the cross-sectioal areabelow that required in 10.3.
other than themanufacurer or produce perfoms hat trea- 6.5 Secondary Processingf a subcontractor.or partyment. coating. welding machining or other process affecting the ppertis rpefrmancefthe anchorbolste anchorboltshlle inectdand tstdaftr uh prcsinby the -md q o soq oque udns o qsdsa dchaser.
6.6 Remended Nats:
6.6.1 Unless ocherwise specified all muts used on theseanchor bolts shall confonm to ihe requirements of Specifica- tions A 194/A 194M or A 563 and shall be of the grade surfacefinish. and style for cach grade and size of anchor bolt as follows:
6.7Remended lishers
7.Protective Coatings
7.2 Other Coutings
Speciicason A 563 Remended NutAnchor Bot Grade and Size in. (mm) Plain Hot-Dip or Mechanicel acodance w7.1 Zinc Coaned inGrade 36 41% (6.4-38) Size in. (mm) Grade A Hex Style Crads A Hex Slyle%115 (6.4-38) 01.0 (36102) A A Heavy Hex A Hex A Hey Hex Hey Hex55 15-40 (38-102) A Heavy Hex A Hy Hex105 %1% (6.4-38) over 11 3.0 D HO Henvy Hex DH Hex DH Hey Hex Hey Hex(3876)
6.6.2 The requirements for the remended grade andstyle of nut may be fulfilled by fumishing a nut of one of the grades or styles listed in Specifications A 194/A 194M orminimum tensile strength specified for the anchor bolt. A 563 having a proof load stress equal to or higher than the
6.7.1 The washer material and dimensions slail be specificdin the inquiry and the order (see Note 2).
6.7.2 Ualess the requirememt of 6.7.1 is met. washersconforming to the requirements of Specification F 436 Typc 1shall be furnished.
6.7.3 When amchor bolts are specificd to be zinc coated thecoating process for the washersneednot be the same as that fr washers shallhe zinc coatdas specifed i 7.1excep that thethe anchor bolts and nuts.
sins grethanerzeh l asdin by Resarho Note 2Washers used on anchor bolts installed in holes with dimen:on Sauclul Cnection reqire desig cnsideratim. (For gidance refer to Specilication for Siructural Joins Using ASTM A 325 or A 490Bots)
7.1 Zinc.Hot Dip or Mechanically Depositedtion B 695 Class 55.
fied in 7.1 are required. the purchaser shall specify the zinc 7.1.1When zinc-coated anchor bolts with the coting speci-coating cessf examlet dipmanically sitor no preference.
7.1.2When hot-dip is speified the fasteners shallbe incCouted by the hot-dip process in accordance with the require- ments of Specification F 2329
es shall be zinc coed by the mechanical deposition proces 7.1.3When mechanically deposited is spcified the fasten-in accordance with the requirentents of Class S5 of Specifica- tion B 695.
fumish either a hot-dip zinc coating in accordance with r sdssido 1SpeifcaionF2329ormechanically deposited zinc coating in accordance with Specification B 695. Class 55. Threadedponents (bolts and muts) shall be coated by the samezinc-oingpces and the suli's pin islimid to ne process per item. with no mixed processes in a lot.
7.2.1Coatings other than the zinc coatings specified in 7.1shall be as specified by the purchser on the purchase ordt.
7.2.2 The lete specification shallbe included as part fpagsads aue sugeoo sapo uaa iapuo asqpmd aq1
8. Chemical Composition
9. Mechanieal Properties
10. Anchor Bolt Dimensions
10.2 Body Diameter.
forming to the requiremenes listed in Table 1 for Grade 36 and 8.1 Anchor bolts shall have a chemical position con-Table 2 for Grades 55 and 105.
8.2 Grade 55 ordered as weldable shall conform to theroquirements specified in Supplementary Requirement S1.
8.3Anchor bolts made from low-carbon martensitic steelshall not be permited.
8.4 The application of heats of steel to which bismuth.selenim tellurium or lead has been added intentionally shalnot be penmited.
8.5 Product analyses may be made by the purchaser frompsitn thusdetemd shllconoo thrqirnts finished anchor bolts representing cach heat. The chemicalspecificed in 8.1 through 8.4.
9.1 BarsThe bars or rods from which the anchor bolts aremade shall conform to the tensile properties listed in Table 3.except when heat treated after bending or threading.
9.2 Anchor Bolts-The finished anchor bolts shall conformto the tensile properties listed in Tahle 3 for tests on machined specimens and Table 4 for axial tests on full-size threadedanchor bolts.
be the same as the nominal thread diameter. 10.1 Nominat SiseThe nominul anchor bolt diameter shall
10.2.1When threads are rolled the body diameter shall notbe less than the mininum pitch diameter for the thread class. IA or 2A designated by the purchaser and specified inANSI/ASME B 1.1. Class 2A shall be furmished when thethread class is not specified.
10.2.2 The body diameter shall not be less than the mini-mum major diameter when threads are cut.
10.2.3The minimum body diameters are listed in Table 5based on the requirements specified in 10.2.1 and 10.2.2.
TABLE 1Chemical Requirements for Grade 36Diameter in. (mm)Elemet To(20). ind Overt1 (20 to 40) nel Over 1 4(40 10Cabon max % 100) inel Manganese % Prodict Heat 0.26 0.29 0.30 0.27 0.28 031Product Heat 0.60-0.90 0.54-0.98 0.600.90 0.54-0.96Prodet Heat 0.04 0.05 0.04 0.04 005Sullur max % Heat 005 0.05 0.05 005Coppet min % (when Produet 90'0 0.06 0.06speciied) Product Heat 0.20 0.18 0.20 0.18 020 0.18
s p d 90 y inq pew o m O
TABLE 2 Chemical Requirements for Grades 55 and 105
Eemenl Heat Analysis Compostion，% Product AnlysisPhosphorous.max Sulfr max 0.040 0.050 0.048 0.058Cospe min (hen Cu is specfiedj 0.20 0.18
TABLE 3Tensile Properties for Bars and Machined Specimens
Grade5880 36 7596 55 125-150 105Tensle ste.MPa Yld nmn k(0.ff) Tensie strengh ksi (400552) (517-55)() 06 55 105Yid sminMP(0.2) Elongionin8in(20mmmin% ongnin 2in.(50mm），mn 248 20 380 18 724 12Redution ofA.m Z n. (6.4 10 50 m) n 23 40 12 30 40 15ver 21021n.(500 63mm） Dver 23in.6310 76).ind 40 40 22 20 45 45over 3 1o.4in. (76 t 102 mm) inl 40 18
Eiongation inin.(200 m) apples to bars. Englio 2 in.(50 mm)apples to tests on machined specmens.
shallhave a co-sctionl aent lessthan90 % of t are 10.3 Bend SectionThe bend section of bent anchor boltsofstraigh porinsheaeinthbendshlalculaby the following formula: A= 0.25mDd
where
A = cross-sectional area in the bend. =minor (or minimum) diameter at any point generallyd" =major dimeter at the same crossction asand 90 in the plane of the bend andD degrees to the minor diameter.
10.4 Lengrh:
10.4.1The oerall length of straight nhor bols orlengthto the inside of the hook shallbe the specified length±in. (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 hooiks shall be the specifed length.±10% of the specified hook length. or ± in. (13 mm) whichever is greater.
10.5 Bend AngleThe bend angle of hooks shall not varyfrom that specified by more than ±5°
10.6 Cooted LengzhWhen only the exposed end of thecoating shall not be less than that secifid on the order. anchor bolt is required to be zinc coated the length of zinc
10.7 Other Dimensions:
10.7.1 Tolerances for dimensions other than those given in10.1 through 10.6 shall be as specifed by the purchaser.
10.7.2When tolerances are not specified they shall be inaccordance with the mnufacturer’s documented standard prac-tice.
11. Thread Dimensions
11.1 Uecoated Anchor Bols:
Unified CoarseThread Seriesas specified n thelatest issue f 11.1.1Ulessothewise pecifieduoated thead shall bANSI/ASME B 1.1 and they shall huve Class 1A or 2A
tolerances as specified by the purchaser. Class 2A shall be furnished when the class is not specified.
eter greater than 1.0 in. (25.5 mm）may be secified to have 11.1.2When required nchorbols having a nominal diamthreads confomming to the 8-Thread Series (8 UN Serics） inANSI/ASME B 1.1 and they shall have Class 2A tolerances.
11.2 Anchor Bolts Zinc Coated in Accordance With 7.1 SpecifratinF 2329 nd Specifcation B695Class 55
11.2.1 Unless otherwise specified anchor bolts hot dip ormechanically zinc coated in accordance with 7.1:1 through 7.1.4 (requiring overtapped nuts see Note 3) shall be theUnified Coarse Thread Series and shall have Clas IA or 2A threads as specified by the purhaser before zinc coting.After zinc coating. and de o the zinc buildup the pitch andmajor diamcters for hot-dip zine-coated anchor bolts shall not cxceed the dimensions listed in Table 6.
1dlefe d s Not 37in-od m of the gade d e rcmenel in the tabe entitled *Thread Dimnsioes and Overtpping Allowascs fot Nuts" in Spexificatioo A 563 will develop the boll tensile surengthreqird in Tale 4 of this specification.
facture. In case of dispute a calibrated thread ring gage of the 11.2.2 Thread conformance shall be verified during manu-same size as the oversize limit specified in 11.2.1 (Class X toleranae toler lusshal used tefymlance.Assmly ofthe gae shall be posble withhand ff u d ouoogand damage to the gage.
11.3 Thradf LengthThe thrcad length shall not vary fromthat specified more than 1.0 in. (25.5 mm) 0.00 in. (0.00mm).
11.4Thread Gagintg Sstem-Thread acceptability shall bein accordance with System 21 or ANSI/ASME B 1.3 unless
12. Workmanship
12.1Anchor bolts shall be mercially smooth and free ofburrs las seams cracks and ther injurious mnfactring defects that would make them unsuitable for the intendedapplication.
13. Number of Tests and Retests
13.1 Testing Responsibilry:
13.1.1The anchor bolt manufacturer or supplir. whicheveis ihe responsible party as defined in Section 18 shull be responsible for conducting or cnsuring that the required testsrequirements of this specification and the purchaser order. have been conducted to determine pliance with all of the
producer on bar stock used to manufacture the anchor bolts 13.1.2 Reports of tension lests conducted by the steelwitho adtionalaetmemybedtqliyfinished anchor bolt tensile properties.
13.1.3 The purchaser shall be penmitted to perform any ofthe tests and inspections listed in this specification or the purchuser 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 4AxialTensile Properties for Full-Size Anchor Bolts Anchor Bot GradeThreads/ 36 55 105Nominal Size in. in. Stress Aron in. Srength.kb Tensie Srengna Yied Srengnxb Tensle Srengh Yeld Srength. Tensile Yield Sng min kefUniled Core Thread Series(UNC) min kf min ker20 UNC 16 UNC 0.0318 0.0775 1.89-2.54 45-62 1.15 28 24-30 5.8-7.36 1.75 426 3.98-4.27 9.7-118 3.34 8.1413UNC 11UNC 0.1419 0.226 13.118.1 8.2-114 8.1 120 5.1 10.6-13.5 17.0-21.5 25.0-31.7 184 124 78 17.7-213 28.2-33.9 41.8-501 23.7 36.1 14.99 % 10 UNC 9 UNC 8 UNC 0.334 0.462 0.606 26.8-37.0 19.4-26.7 35.248.5 21.8 16.6 34.643.9 45.4-57.6 333 25.4 57.8-69.3 75.8-909 485 63.61 1% 114 7UNC 7UNC 0.763 0.969 56.2-77.5 44.3-61.0 275 34.9 57.2-72.5 72.7-92.1 533 420 95.4114.4 121145 102 80.11 1% 4UNC 6UNC 5UNC 1.405 1.90 2.50 81.5112.4 110-152 506 68.4 900 105.0133.0 142-180 188-238 104.5 138 77.3 176-216 238-28 312375 200 262 1482 2 n/ 4% UNC 4UNC 3.25 40 188-260 145200 232- 020 117 199 244309 0RC-000 179 220 406488 500ec0 3412% 3 4UNC 4 UNC 4.93 5.97 412-568 286-394 346478 256 177 215 370468 448-567 532-674 326 390 271 616740 746896 518 6273 34 4UNC 4UNC 4 UNC 9.66 7.10 8.33 483-666 560773 346 300 625791 724-918 458 531C 4 4 UNC 11.08 8 Thead Series (8 UN 643886 399 6091% 8UN 8UN 0.790 1.000 008-089 45.8-63.2 28.4 36.0 59.2-75.0 75.0-95.0 550 43.4 98.8-118.5 125-150 105 8301% 11 1% 8UN 8 UN 1.492 2.08 86.5-119.4 121-166 537 749 12-142 156198 82.1 152 114 260-312 186-224 346-416 157 218 2912% 2 8 UN 8 UN BUN 2.77 356 4.44 161222 206-285 258355 997 128 160 208263 267-338 333422 244 196 555-666 445534 374 4662 2% 3 8UN SUN 5.43 6.51 315-434 376-521 195 234 407-516 488-618 299 358 814-976 679815 570 684316 31v 8UN SUN 8.96 7.69 520-717 600-827 446615 277 323 372 577-731 672-851 776-982 423 493 5093 4 6UN 8 UN 10.34 11.81 685-945 425 886-1122 650
SrssexctedfonANSASMEB1.1Teners alcd rin T3 CYeld strengthmeasured at 0.2% ofselwenh anddonaprhmummlls fANSSME1.1and8.2.2Se12.1fod sesbqld 1 ps pd us Anhmed11.2.1
Composiion Test one per heat mirnimuri Number of TestsTensile sests Barock one per let. min as defined in 13.2.1 accodnce wilh Table 7 and Tale on each t pue ufie Bugeo Anchor bolts fned in 13.2.2Dimensions micknets op 0 oe g pue 1 m Thread eonformance Weromanship fnod in 13.2.2Overall pliance
having the same diameter and if heat treated heat treated in sthe same furnace lot.
13.2.2 Al Other TesA lot is a quantity of product of oneqnsp d unpd esqeuud quently submited for final inspection at one time The mai-mum lot size traccable to final inspection shall not be largerthan 250 000 picces.
13.3 Tes Freqency.
P 13.3.1The number of tests shall be as follows and in Table
