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ASTM A1065 - A 1065M - 15.pdf

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ASTM A1065 - A 1065M - 15.pdf

Designation A1065/A1065M − 15Standard Specification forCold-Formed Electric-Fusion Arc Welded High-StrengthLow–Alloy Structural Tubing in Shapes, with 50 ksi [345MPa] Minimum Yield Point1This standard is issued under the fixed designation A1065/A1065M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers three Types and two Grades ofcold formed electric-fusion arc welded high-strength low-alloy steel tubing of 50 ksi [345 MPa] minimum yield point foruse in welded or bolted construction of buildings and forgeneral structural purposes.1.2 This tubing is produced in square and rectangular sizeswith a periphery of 200 in. [500 cm] or less and a specified wallthickness of 1.00 in. [25 mm] or less. Tubes are joined by twolongitudinal electric-fusion arc welds. Circumferential weldsare disallowed. Sizes outside of those listed in Tables 4 and 5may be ordered provided all other requirements of the speci-fication are met. Typical lengths are 15 to 50 ft. [5 to 15 m].NOTE 1Products manufactured to this specification may not besuitable for those applications such as dynamically loaded elements inwelded structures, etc. where low-temperature toughness properties maybe important. See Supplementary Requirement S1.1.3 This specification covers the following Types1.3.1 Type 1Welded with backing, backing left in theproduct,1.3.2 Type 2Welded with backing, backing removed,1.3.3 Type 3Welded without backing.1.4 Tubing is available in Grades 50 [345] and 50W[345W]. Grade 50 [345] is manufactured from high-strengthlow-alloy steel. Grade 50W [345W] is manufactured fromhigh-strength low-alloy steel with enhanced atmospheric cor-rosion resistance. See 10.1.2 The Grades may not be inter-changed without approval of the purchaser. ASTM Specifica-tions for plate that may be applied to Grade 50 [345] and 50W[345W] are listed in Reference Documents and in Table 1.1.5 This specification is expressed in both inch-pound unitsand in SI units; however, unless the purchase order or contractspecifies the applicable M specification designation SI units,the inch-pound units shall apply. The values stated in either SIunits or inch-pound units are to be regarded separately asstandard. Within the text, the SI units are shown in brackets.The values stated in each system may not be exact equivalents;therefore, each system shall be used independently of the other.Combining values from the two systems may result in noncon-formance with the standard.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards2A6/A6M Specification for General Requirements for RolledStructural Steel Bars, Plates, Shapes, and Sheet PilingA242/A242M Specification for High-Strength Low-AlloyStructural SteelA572/A572M Specification for High-Strength Low-AlloyColumbium-Vanadium Structural SteelA588/A588M Specification for High-Strength Low-AlloyStructural Steel, up to 50 ksi [345 MPa] Minimum YieldPoint, with Atmospheric Corrosion ResistanceA656/A656M Specification for Hot-Rolled Structural Steel,High-Strength Low-Alloy Plate with Improved Formabil-ityA700 Guide for Packaging, Marking, and Loading Methodsfor Steel Products for ShipmentA709/A709M Specification for Structural Steel for BridgesA941 Terminology Relating to Steel, Stainless Steel, RelatedAlloys, and FerroalloysA945/A945M Specification for High-Strength Low-AlloyStructural Steel Plate with Low Carbon and RestrictedSulfur for Improved Weldability, Formability, and Tough-nessG101 Guide for Estimating the Atmospheric Corrosion Re-sistance of Low-Alloy Steels1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.09 on Carbon Steel Tubular Products.Current edition approved May 1, 2015. Published May 2015. Originallyapproved in 2009. Last previous edition approved in 2014 as A1065/A1065M - 092014. DOI 10.1520/A1065_A1065M-15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standard’s Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States12.2 AWS Standard3AWS D1.1 Structural Welding Code-Steel2.3 Military Standard4MIL-STD-129 Marking for Shipment and Storage2.4 Federal Standard4Fed. Std. No. 123 Marking for Shipment2.5 Steel Tube Institute5Hollow Structural Sections2.6 AISC6Manual of Steel Construction3. Terminology3.1 DefinitionsFor definitions of terms used in thisspecification, refer to Terminology A941.3.2 Definitions of Terms Specific to This Standard3.2.1 HSS5, na Hollow Structural Section is a cold-formedwelded steel tube used for welded or bolted construction ofbuildings, bridges and other structures.3.2.2 electric fusion arc welded, na welding process thatuses an electric arc as the source of heat to melt and joinmetals.3.2.3 weld reinforcement, nthat portion of the weld seamabove the plane of the plate surface.4. Ordering Information4.1 Orders for material under this specification shall containthe following mandatory information4.1.1 Size outside dimensions, thickness and length,4.1.2 Name Cold Formed Arc Welded HSLA StructuralTubing,4.1.3 Quantity number of lengths of each size,4.1.4 Type 1, 2, or 3,4.1.5 Grade 50 [345] or Grade 50W [345W],4.1.6 Individual supplementary requirements, if requiredSupplementary Requirements S1 to S4, inclusive.5. Manufacture5.1 The steel from which the tubing is made shall conformto Specifications A242/A242M, A572/A572M, A588/A588M,A656/A656M, A709/A709M,orA945/A945M. The Specifi-cations are identified in Table 1 according to Grade 50 [345] orGrade 50W [345W]. The choice of Grade and ASTM Standardsteel material is at the manufacturer’s option unless identifiedin the purchase order See Supplementary Requirement S3.5.2 Two equally shaped pieces of flat-rolled plate product ofthe same ASTM plate specification shall be press brake formedinto halves of the finished size. Types 1 and 2 tubing shall havecontinuous backup bars tack welded to each leg of one of thehalf-sections. The two half sections shall be fitted together andarc welded with two seam welds to complete the tubing. Type2 tubing shall have the backing removed after seam welding.Type 3 tubing shall be manufactured without backup bars.5.3 The electric-fusion arc weld shall be deposited by thesubmerged arc welding process, flux cored arc welding processor gas metal arc welding process. The electrode shall be ofmatching strength.5.4 Grade 50W [345W] backing shall be enhanced atmo-spheric corrosion resistant material. The electrode shall complywith atmospheric corrosion resistance requirements.5.5 The standard weld shall be a partial joint penetrationSingle-V-groove weld with groove depth not less than eightypercent of the material thickness. For complete joint penetra-tion welds, see Supplementary Requirement S2.5.6 The seam welds shall join the smaller flat sides of thestructural section. See Supplementary Requirement S4 for theoption of joining the larger flat sides.5.7 Welding shall be in accordance with AWS D1.1, latestedition.6. Material6.1 Table 1 identifies ASTM high-strength low-alloy stan-dard specification steel from which the tubing shall be manu-factured. Some Specifications have more than one Grade orType. The Specifications provide chemical compositions.7. Mechanical Properties7.1 The material as represented by the steel producer shallconform to the requirements of Table 2.8. Permissible Variations in Dimensions8.1 Outside DimensionsThe outside dimensions measuredacross the flats at positions at least 2 in. [50 mm] from the endsof the tubing shall not vary from the specified outside dimen-sions by more than the applicable amount given in Table 3.Measurement shall not include the weld reinforcement. Table 3includes allowances for convexity and concavity.8.2 ThicknessThe permissible variation in wall thicknessshall be 0.03/-0.01in. [0.76/-0.25 mm] Table 1 of Specifi-cation A6/A6M.3Available from American Welding Society AWS, 550 NW LeJeune Rd.,Miami, FL 33126, http//www.aws.org.4Available from Global Engineering Documents, 15 Inverness Way, EastEnglewood, CO 80112-5704, http//www.global.ihs.com.5Available from Steel Tube Institute of North America, 2000 Ponce de Leon,Suite 600, Coral Gables, FL 33134.6Available from American Institute of Steel Construction AISC, One E.Wacker Dr., Suite 700, Chicago, IL 60601-2001, http//www.aisc.org.TABLE 1 ASTM Plate SpecificationsAGrade 50 [345] A572/A572M, A656/A656M, A709/A709M, A945/A945MGrade 50W [345] A242/A242M, A588/A588M, A709/A709M HPS 50WAIndividual specifications may have more than one Grade or Type and providechemical requirements.TABLE 2 Tensile RequirementsGrade 50 [345] Grade 50W [345W]Tensile strength, min,psi [MPa]60 000 [415] 70 000 [480]Yield strength, min, psi[MPa]50 000 [345] 50 000 [345]Elongation in 2 in. [50mm],min.21 21A1065/A1065M − 1528.3 LengthThe permissible variation for length shall be6/-0 in. [150/-25 mm].8.4 StraightnessThe permissible variation for straightnessshall be1⁄8 in. times the number of feet [10.4 mm times thenumber of metres] of total length divided by 5.8.5 Squareness of SidesAdjacent sides shall be square90, with a permissible variation of 6 2 max.8.6 Radius of CornersCorners shall be bent with a bendradius three times the thickness 3t or greater.68.7 TwistThe permissible twist shall not exceed 0.125 in.per 3 ft [3 mm per metre] of length. Twist shall be determinedby holding one end of the tubing down on a flat surface plate,measuring the height that each corner on the bottom side of thetubing extends above the surface plate near the opposite endsof the tubing, and calculating the twist difference in heights ofthe corners. For heavier sections it shall be permissible to usea suitable measuring device to determine twist. Twist measure-ments shall not be taken within 2 in. [50 mm] of the ends of thetubing.8.8 Weld ReinforcementThe weld reinforcement shall notexceed 0.125 in. [3 mm].9. Inspection9.1 All tubing shall be visually inspected VT at the placeof manufacture to ensure conformance to the requirements ofthis specification.9.2 All tubing shall be free of injurious defects and shallhave a workmanlike finish.10. Atmospheric Corrosion Resistance10.1 Steels meeting this specification provide two levels ofatmospheric corrosion resistanceTABLE 3 Permissible Variations in Outside Flat DimensionsNominal Outside Large Flat Dimension Permissible Variation Over and Under Nominal Outside Flat DimensionsSquares and rectangles with a large flat to small flat ratio less than 3.0 0.015 times each flat dimensionRectangles with a large flat to small flat ratio equal to or greater than 3.0 0.02 times each flat dimensionTABLE 4 Wall Thicknesses for Square ShapesAWall in./mm 0.313 [8] 0.375 [10] 0.500 [13] 0.625 [16] 0.750 [19] 1.000 [25]Outside Dimensionsin./mm12 12 [300 300] XXXXXX13 13 [330 330]14 14 [360 360]15 15 [380 380] XXXXXX16 16 [410 410]17 17 [430 430]18 18 [460 460] XXXXXX19 19 [480 480]20 20 [510 510]21 21 [530 530] XXXXX22 22 [560 560]23 23 [580 580]24 24 [610 610] XXXXX25 25 [640 640]26 26 [660 660]27 27 [690 690] XXXXX28 28 [710 710]29 29 [740 740]30 30 [760 760] XXXXX31 31 [790 790] XXXX32 32 [810 810]33 33 [840 840]34 34 [860 860] XXXX35 35 [890 890]36 36 [910 910]37 37 [940 940] XXXX38 38 [970 970]39 39 [990 990] XXX40 40 [1020 1020]41 41 [1040 1040]42 42 [1070 1070] XXX43 43 [1090 1090]44 44 [1120 1120]45 45 [1140 1140] XXX46 46 [1170 1170]47 47 [1190 1190]48 48 [1220 1220] XXXAConsult the producer for weight per foot calculations.A1065/A1065M − 153TABLE 5 Wall Thicknesses for Rectangular ShapesAWall in./mm 0.313 [8] 0.375 [10] 0.500 [13] 0.625 [16] 0.750 [19] 1.000 [25]Outside Dimensionsin./mm128[300200] X X X12 10 [300 250] X X X X148[360200] X X X14 10 [360 250] X X X X14 12 [360 300] X X X X X168[410200] X X X16 10 [410 250] X X X X16 12 [410 300] X X X X X16 14 [410 360] X X X X X188[460200] X X X18 10 [460 250] X X X X18 12 [460 300] X X X X X18 14 [460 360] X X X X X18 16 [460 410] X X X X X X208[510200] X X X20 10 [510 250] X X X X20 12 [510 300] X X X X X20 14 [510 360] X X X X X X20 16 [510 410] X X X X X X20 18 [510 460] X X X X X X228[560200] X X22 10 [560 250] X X X22 12 [560 300] X X X X22 14 [560 360] X X X X X22 16 [560 410] X X X X X22 18 [560 460] X X X X X22 20 [560 510] X X X X X248[610200] X X24 10 [610 250] X X X24 12 [610 300] X X X X24 14 [610 360] X X X X24 16 [610 410] X X X X X24 18 [610 410] X X X X X24 20 [610 510] X X X X X24 22 [610 560] X X X X X26 10 [660 250] X X X26 12 [660 300] X X X X26 14 [660 360] X X X X26 16 [660 410] X X X X X26 18 [660 460] X X X X X26 20 [660 510] X X X X X26 22 [660 560] X X X X X26 24 [660 610] X X X X X28 10 [710 250] X X X28 12 [710 300] X X X X28 14 [710 360] X X X X28 16 [710 410] X X X X X28 18 [710 460] X X X X X28 20 [710 510] X X X X X28 22 [710 560] X X X X X28 24 [710 610] X X X X X28 26 [710 610] X X X X X30 12 [760 300] X X X X30 14 [760 360] X X X X30 16 [760 410] X X X X30 18 [760 460] X X X X X30 20 [760 510] X X X X X30 24 [760 610] X X X X X30 28 [760 710] X X X X X32 12 [810 300] X X X32 14 [810 360] X X X32 16 [810 410] X X X32 18 [810 460] X X X X32 20 [810 510] X X X X32 22 [810 560] X X X X32 24 [810 610] X X X X32 26 [810 660] X X X X32 28 [810 710] X X X X32 30 [810 760] X X X X34 14 [860 360] X X X34 16 [860 410] X X X34 18 [860 460] X X X XA1065/A1065M − 15410.1.1 Steel Grade 50 [345] provides a level of atmosphericcorrosion resistance typical of carbon or alloy steel withoutcopper.10.1.2 Steel Grade 50W [345W] shall have an atmosphericcorrosion resistance index of 6.0 or higher, calculated from theheat analysis in accordance with Guide G101 See Note 2.When properly exposed to the atmospher

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