英制螺栓机械性能要求

英制（SAE J429）螺栓所用材料：Grade12455.15.2788.18.2Material and TreatmentLow or medium carbon steelMediumCarbon cold drawn steelMedium Carbon steel quenched and temperedLow or medium carbon steelMedium Carbon alloy steel quenched and temperedSAE1541Low or medium carbon steelElement%CMin-0.280.280.280.15Max0.550.550.550.550.300.250.550.550.550.25Mn Min-0.74-0.74P Max0.0480.0480.0480.0480.0480.0480.0400.0400.0480.048S Max0.0580.0580.130.0580.0580.0580.0450.0450.0580.058B Min-0.0005-0.0005英制螺栓（SAE J429）的机械性质：强度等级Grade Designation产品Products规格Nominal Size Dia InFull Size Bolts，Screws，Studs，Sems机械性能Machine Test Specimen OfBolts，Screws，and StudsSurfaceHardnessCoreHardnessProofLoadTensileStrengthYieldStrengthTensileStrengthElongation伸长率Reduction Of Area断面收缩Rockwell30N MaxRockwellMinMax1Bolts螺栓Screws螺钉Studs螺柱1/4 thru 1-1/4330006000036000600001835-B70B1002Bolts螺栓Screws螺钉Studs螺柱1/4 thru 3/4550007400057000740001835-B80B100Over 3/4 thru 1-1/2330006000036000600001835-B70B1004Studs螺柱1/4 thru 1-1/2650001150001000001150001035-C22C325Bolts螺栓Screws螺钉Studs螺柱1/4 thru 18500012000092000120000143554C25C34Over 1 thru 1-1/2740001050008100010500143550C19C305.1d此螺丝有垫片Bolts螺栓Screws螺钉Studs螺柱No.6 thru 5/885000120000-59.5C25C40No.6 thru 1/2/5.2Bolts螺栓Screws螺钉1/4 thru 18500012000092000120000143556C26C367e此螺丝热处理后辗牙Bolts螺栓Screws螺钉1/4 thru 1-1/210500013300115000133000123554C28C348Bolts螺栓Screws螺钉Studs螺柱1/4 thru 1-1/212000015000013000015000123558.6C33C398.1Studs螺柱1/4 thru 1-1/21200001500001300001500001035-C32C388.2Bolts螺栓Screws螺钉1/4 thru 1120000150000130000150000103558.6C33C39Chemical化学成份Carbon:碳Manganese min锰Phosphorus max磷Sulfur ,max硫Boron ,min硼Type1Heat analysisProduct analysis0.28-0.550.25-0.580.600.570.0400.0480.0500.058-Type2Heat analysisProduct analysis0.15-0.380.13-0.410.700.670.0400.0480.0500.0580.00050.0005强度等级Grade Designation产品Products规格Nominal Size Dia. InFull Size Bolts，Screws，Studs，Surface HardnessHardness硬度ProofLoadTensileStrengthYieldStrengthElongation in 4D min %Reduction of Area ,min %Rockwell30N MaxBrinellHB布氏RockwellHRC洛氏TYPE2Bolts螺栓Studs螺柱1/4 thru 185ksi120ksi92ksi1435/255to32125to34TYPE1over 1 thru 1-1/2over 1-1/2 thru374ksi55ksi105ksi90ksi81ksi58ksi14143535/223to285183t23519to30-英制螺栓（ASTM A449）的化学成份和机械性质：配合的螺帽为ASTM A563中的产品：These values are the as the over-tapping required for zinc coated nuts in Specification ASTM A5631/4至1-1/2英寸普通产品配合的螺帽为ASTM A563的B普通螺帽（hex）；1-1/2至3英寸普通产品配合的螺帽为ASTM A563的A重型螺帽（heavy hex）；1/4至3英寸镀锌产品配合的螺帽为ASTM A563的DH重型螺帽（heavy hex）英制螺栓（ASTM A307）的化学成份和机械性质：Chemical化学成份Carbon:碳Manganese min锰Phosphorus max磷Sulfur max硫Boron min硼Grade AHeat analysisProduct analysismax0.29max0.33max 0.90max 0.93max 0.04max 0.041max 0.15-GradeBHeat analysisProduct analysismax0.29max0.33max 0.90max 0.93max 0.04max 0.041max 0.05max 0.051-备注: 1lbf=4.448N 1 ksi=6.9Mpa 1lbf=0.4593kgf强度等级Grade Designation产品Products规格NominalSize Dia InFull Size Bolts，Screws，Studs，Surface HardnessHardness硬度ProofLoadTensileStrengthYieldStrengthElongation in2 in min %Reduction of Area min %Rockwell30N MaxBrinellHBRockwellHRBGrade ABolts螺栓Studs螺柱Less than 3xdia3xdia and longer/Min60ksi-18/121-241max24169-100max100Grade BLess than 3xdia3xdia and longer/60-100ksi-18/121-212max21269-95 max95Grade CAll/58-80ksi36（50）ksi23/No hardness requiredResulfurized steel is not subject to rejection based on product analysis for sulfur配合的螺帽为ASTM A563中的产品： 1/4至1-1/2英寸普通产品配合的螺帽为ASTM A563的A 普通螺帽（hex）；1-1/2至4英寸普通产品配合的螺帽为ASTM A563的A重型螺帽（heavy hex）；1/4至4英寸镀锌产品配合的螺帽为ASTM A563的A重型螺帽（heavy hex）英制螺栓（ASTM A354）的化学成份和机械性质：Chemical化学成份Carbon:碳Manganese min锰Phosphorus max磷Sulfur max硫Boron min硼For size through 1-1/2 inHeat analysisProduct analysis0.30-0.530.28-0.55/max 0.035max 0.040max 0.040max0.045/For size Large than1-1/2 inHeat analysisProduct analysis0.35-0.530.33-0.55/max 0.035max 0.040max 0.040max0.045/强度等级Grade Designation产品Products规格NominalSize Dia InFull Size Bolts，Screws，Studs，Surface HardnessHardness硬度ProofLoadTensileStrengthYieldStrengthElongation in2 in min %Reduction of Area min %Rockwell30N MaxBrinellHBRockwellHRCGrade BCBolts螺栓Studs螺柱1/4 to 2-1/2Over 2-1/2105ksi95ksi125ksi115ksi109ksi99ksi16165045/255-331235-31126-3622-33Grade BD1/4 to 2-1/2Over 2-1/2120ksi105ksi150ksi140ksii130ksi115ksi14144040/311-363293-36333-3931-39These values are the as the over-tapping required for zinc coated nuts in Specification ASTM A563译文：这些值为镀锌产品的要求，在ASTM A563中对螺帽有具体要求。英制螺栓（ASTM A193）的机械性质：Grade and ClassDiameterin.Tensile StrengthksiYield Strength0.2% OffsetElongation in4D min %Reduction of Area min %Hardness硬度MaxReferTonoteMinMinMinMinBrinellRockwellB5To 1/4 incl.100801650-1B6To 1/4 incl.110851550-1B6XTo 1/4 incl.90701650-C261B7To 2-1/2 incl.1251051650-C351Over2-1/2 to 4115951650-C35Over 4 to 7100751850-C35B16To 2-1/2 incl.1251051850321C351Over2-1/2 to 2110951745321C35Over 4 to 7100851645321C35B7MTo 4 incl.100801850235B991,2Over 4 to 7100751850235B99Classes 1 and 1D: B8,B8M,B8P,B8LN,B8MLNall75303050223B963,4Class1: B8C,B8Tall75303050223B964Class 1A:B8A,B8CA,B8MA,B8PA,B8TA,B8LNA,B8MLNA,B8NA,B8MNA,B8MLCuNAall75303050192B903Classes 1B and 1D: B8N,B8MN,B8MLCuNall80353040223B963.4Class 1C and 1D: B8Rall100553555271C283Class 1C: B8RAall100553555271C283Grade and ClassDiameterin.Tensile StrengthksiYield-Strength0.2% OffsetElongation in4D min %Reduction of Area min %Hardness硬度MaxReferTonoteMinMinMinMinBrinellRockwellClass 1C and 1D: B8Sall95503555271C283Class 1C: B8SAall95503555271C283Class 2: B8,B8C,B8P,B8T,B8NTo 3/4Over 3/4 to 1Over 1 to 1-1/4Over1-1/4 to1-1/2incl.1251151051001008065501215202835354545321321321321C35C35C35C353,5Class 2: B8M,B8MN,B8MLCuNTo 3/4Over 3/4 to 1Over 1 to 1-1/4Over1-1/4 to1-1/2incl.1101009590968065501520253045454545321321321321C35C35C35C353,53Class 2B: B8,B8M2To 2 incl.Over 2 to 2-1/2incl.Over2-1/2 to 3 incl.959080756555253030404040321321321C35C35C353,5Class 2C: B8M3To 2 incl.Over 28585656030306060321321C35C353,5NOTES:1. The minimum temperature for Grades B5, B6X,and B7 shall be 1100F; for Grade B16, 1200F;译文：等级为B5，B6X和B7的最小回火温度为1100F，而等级为B16的最小回火温度为1200F2. To meet the tensile strength requirements, the hardness shall be over Brinell 201(Rockwell B94)minimum. 译文：硬度一定要在201布氏（94HRB）硬度以上，抗拉强度一定能达到。3. Class 1 is solution treated-Class 1A is solution treated in the finished condition for corrosion resistance; heat treatment is critical due to physical property requirements. Class 2 is solution treated and strain-hardened. Austenitic steels in the strain-hardened condition may not show uniform properties throughout the section particularly in sizes over 3/4 in .in diameter. 译文：Class 1将其视为1级对待，Class 1A的材料应进行表面处理,具有防腐蚀性能，Class 2类的各等级的材料应接受碳化物固溶处理后应变硬化奥氏体钢,尤为3/4以上的螺栓,经硬化后可能出现整个面上各部分性能不均匀现象.4. For diameters 3/4 in. and smaller, a maximum hardness of Brinell 241(Rockwell B 100) is permitted. 译文：直径为3/4或更小的产品，硬度要求为最大241布氏（100HRB）硬度。5. For diameters 1-1/2 in. and larger, center(core) properties may be lower than indicated by test reports which are based on values determined at mid-radius. 译文：直径为1-1/2或更大产品，芯部性能低于试验报告所点明的性能,因为试验报告依据的数值是在半径中点处测定的。Table 3 Grade Identification Markings for Popular Grades of Carbon Steel NutsGrade Identification MarkingSpecification规Material材料Nominal Size in.Proof Load Stress ksi载荷Hardness Rockwell硬度See Note参见笔记MinMaxNO MARKASTM A563-Grade OCarbon Steel1/4 thru 1-1/269B55C323,4ASTM A563-Grade ACarbon Steel1/4 thru 1-1/290B68C323,4ASTM A563-Grade BCarbon Steel1/4 thru 1120B69C323,4Over 1 thru 1-1/2105SAE J995-Grade 2Carbon Steel1/4 thru 1-1/290-C3211ASTM A563-Grade CCarbon Steel may be Quenched and Tempered1/4 thru 4144B78C385ASTM A563-Grade C3Atmospheric corrosion Resistant Steel, may be Quenched and Tempered1/4 thru 4144B78C385,9ASTM A563-Grade DCarbon Steel may be Quenched and Tempered1/4 thru 4150B84C386SAE J995-Grade 5Carbon Steel1/4 thru 1120-C3212ASTM A563-Grade DHCarbon Steel, Quenched and Tempered1/4 thru 4175C24C386ASTM A563-Grade DH3Atmospheric corrosion Resistant Steel, Quenched and Tempered1/4 thru 4175C24C385,9ASTM A194-Grade 1Carbon Steel1/4 thru 4130B70-2,7ASTM A194-Grade 2Medium Carbon Steel1/4 thru 41501593522,7,8ASTM A194-Grade 2HMedium Carbon Steel, Quenched and Tempered1/4 thru 4175C24C352,7Table 3 Continued next pageTable 3 Grade Identification Markings for Popular Grades of Carbon Steel Nuts（Continued）Grade Identification MarkingSpecificationMaterialNominal Size in.Proof Load Stress ksi保载Hardness Rockwell硬度See NoteMinMaxASTM A194-Grade 2HMMedium Carbon Steel, Quenched and Tempered1/4 thru 41501592372,7,8SAE J995-Grade 8Medium Carbon Steel, Quenched and Tempered1/4 thru 5/8150C24C3012over 5/8 thru 1150C26C341150C26C36ASTM A194-Grade 4Medium Carbon Alloy Steel, Quenched and Tempered1/4 thru 4175C24C382,7ASTM A194-Grade 7Medium Carbon Alloy Steel, Quenched and Tempered1/4 thru 4175C24C382,7ASTM A194-Grade 7MMedium Carbon Alloy Steel, Quenched and Tempered1/4 thru 41501592372,7,8See Notes 1,210NOTES：(备注) 1. In addition to the indicated grade marking, all grades, except A563 grade O, A and B, must be marked for manufacturer identification. 除所列等级标记外，所有等级（除A563，O、A、B级外），必需注明厂家自己标记。 2. The markings shown for all grades of A194 nuts are for cold formed and hot forged nuts. When nuts are machined from bar stock, the nut must be additionally marked with the letterB.The letters H and M indicate heat the ated nuts.A194标准，所有螺帽都是冷墩成型和热处锻造成型螺帽。当螺帽是由棒钢机械加工而成时，需在标记上加字母“B”；字母“H”和“T”表示是经热处理的螺帽。 3. Nuts are not required to be marked unless specified by the purchaser. When marked, the identification marking shall be the grade letter O, A or B.如购货方无特殊要求，螺帽上可以不注明等级标记。如果要注明的话，等级标记为字母O、A或B。 4. Properties shown are those of non plated or non coated coarse thread hex nuts. For properties of other nut styles, nuts with fine threads, and plated or coated nuts, refer to Table 3, page B-171.所示机械性能，是非电镀、粗牙、六角螺帽的机械性能。细牙、电镀螺帽的机械性能，参阅B171页，表3。 5. Properties shown are those of coarse thread heavy hex nuts.所示机械性能是粗牙、重型六角螺帽的机械性能。 6. Properties shown are those of coarse thread heavy hex nuts. For properties of other nut styles and nuts with fine threads, refer to Table 3, page B-112.所示机械性能是粗牙、重型六角螺帽的机械性能。细牙螺帽和其它类别螺帽的机械性能参阅B-112页，表3。 7. Properties shown are those of coarse and 8-pitch thread heavy hex nuts. For properties of coarse and 8-pitch hex nuts, refer to Table 3, page B-132.所示机械性能是粗牙，牙数为8的重型六角螺帽的机械性能。粗牙，牙数为8的普通六角螺帽的机械性能参阅B132页，表3。 8. Hard-nesses are Brinell Hardness Numbers.硬度是布氏硬度。 9. The nut manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel.如采用防腐蚀钢材，螺帽生产厂家可增加其它标记。 10. Specifications（详细说明）ASTM A563-Carbon and Alloy Steel Nuts, page B-167.ASTM书A563-碳钢、合金钢螺帽，B-167页。ASTM A194/A194M-Carbon and Alloy Steel Nuts for Bolts for High Pressure and High Temperature Service, page B-126.ASTM A194/A194M 经高压、高温处理的，与螺栓配套的碳钢，合金钢螺帽。 11. Grade 2 不需打任何标记。 12. Grade 5 and 8应标记等级。HV表示维氏硬度，是硬度的一种测量方法及单位； KSI是千磅/平方英寸，是压强，具体地说是抗拉强度单位； 抗拉强度和硬度之间非线性关系，一般可以查表换算：104KSI=HV220；HV250=116KSI1 KSI = 1000 lb / in.2 = 1000 x 0.4536 x 9.8 N / (25.4 mm)2 = 6.89 N / mm2 Table 2 Grade Identification Markings for Popular Grades of Carbon Steel Externally Threaded FastenersGrade Identification MarkingSpecificationMaterialNominal Size in.Proof Load Stress ksiTensileStrength Min ksiHardness RockwellSee NoteMinMaxSAE J429-Grade 1Low or Medium Carbon Steel1/4 thru 1-1/23360B70B100SAE J429-Grade 21/4 thru 3/4 over 3/4 thru 1-1/255337460B80B70B100B100307AASTM A307-Grade A1/4 thru 4-60B69B100307BASTM A307-Grade B1/4 thru 4-60min100maxB69B95No MarkSAE J429-Grade 4Medium Carbon Steel, Quenched and Tempered1/4 thru 1-1/265115-仅指studsSAE J429-Grade 5ASTM A449-Type1Medium Carbon Steel, Quenched and Tempered1/4 thru 1over 1 thru 1-1/28574120105C25C19C34C30ASTM A449-Type1over 1-1/2 thru 355901832353SAE J429-Grade 5.1Low or Medium Carbon Steel, Quenched and TemperedNo.6 thru 1/285120C25C404SAE J429-Grade 5.2Low Carbon Martensite Steel, Quenched and Tempered1/4 thru 185120C26C36ASTM A449-Type 2C25C34A325ASTM A325-Type1Medium Carbon Steel, Quenched and Tempered1/2 thru 1 over 1 to 1-1/28574120105C24C19C35C315A32555ASTM A325-Type3Atmospheric corrosion Resistant Steel, Quenched and Tempered6Table 2 Continued next pageTable 2 Grade Identification Markings for Popular Grades of Carbon Steel Externally Threaded Fasteners（Continued）Grade Identification MarkingSpecificationMaterialNominal Size in.Proof Load Stress ksiTensile Strength Min ksiHardness RockwellSee NoteMinMaxASTM A354-Grade BCMedium Carbon Alloy Steel, Quenched and Tempered1/4 thru 2-1/2 105125C26C36SAE J429-Grade 7Medium Carbon Alloy Steel, Quenched and Tempered1/4 thru 1-1/2 105133-热处理后再辗牙SAE J429-Grade 8Medium Carbon Alloy Steel, Quenched and Tempered1/4 thru 1-1/2120150C33C39BDASTM A354-Grade BD1/4 thru 2-1/2120150C33C397No MarkSAE J429-Grade 8.1Medium Carbon Alloy or SAE 1541/1541H1/4 thru 1-1/2120150-仅指studsSAE J429-Grade 8.2Low Carbon martensite Steel, Quenched and Tempered1/4 thru 1120150C33C39A490ASTM A490-Type 1Medium Carbon Alloy Steel, Quenched and Tempered1/2 thru 1-1/2120150 min170maxC33C38A490ASTM A490-Type 2Low Carbon Marten-site Steel, Quenched and Tempered1/2 thru 1120150 min170maxC33C38A490090ASTM A490-Type 3Atmospheric Corrosion Resistant Steel, Quenched and Tempered1/2 thru 1-1/2120150 min170maxC33C386NOTES：(备注)1.In addition to the indicated grade marking, all grades included in this table must be marked for manufacturer identification. 除所列等级标记外，此表中所有等级必需标注厂家自己的标记。2.While hex heads are shown, grade markings apply equally to products with other head configurations. 如果是六角头型，等级标记等同与其它头型。3.Hardnesses are Brinell Hardness Numbers. 硬度为布氏硬度。4.Grade 5.1 is a popular grade for SEMS. SEMS产品常用等级是5.1级，参阅J-10页。5.A325 Type 1 bolts may also be marked with 3 radial lines 120apart in addition to A325 marking. A325 1类产品，等级标记为 + A325 。6.The bolt manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel. 如采用防腐蚀钢材，厂家可增加其它标记来表明使用的是耐腐蚀钢材。7.ASTM A354 Grade BD may have optionally six radial lines.ASTM A354 BD级可采用六条线标记。8.Specifications（详细说明：）SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners, page B-79.SAE J429外螺纹紧固件 机械性能与材质要求，B-79页。ASTM A307 Carbon Steel Externally Threaded Standard Fasteners, page B-90.ASTM A307碳钢外螺纹紧固件，B-90页。ASTM A449 Quenched and Tempered Steel Bolts and Studs, page B-97.ASTM A449淬火、回火（碳钢）螺栓、螺柱，B-97页。ASTM A325 High Strength Bolts for Structural Steel Joints, page E-28.ASTM A325高强度螺栓，E-28页。ASTM A354 Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners, page B-139.ASTM A354淬火、回火合金钢螺栓，螺柱及其它外螺纹紧固件，B-139页。ASTM A490 Heat Treated Steel Structural Bolts, 150 ksi Minimum Tensile Strength, page E-37.ASTM A490热处理钢结构螺栓，抗拉强度最小150 ksi，E-37页。附表一：Reference to Fastener ldentification MarkingsSpecification No.MaterialSee Clause No.On Page NoBolts, Screws and