英制螺栓機(jī)械性能要求

1、青島天時海洋石油裝備有限公司英制（ SAE J429）螺栓所用材料 ：Grade12455.15.2788.18.2MaterialandLow orMediumMedium CarbonLow orMedium Carbon alloySAELow ormediumCarbon coldsteel quenchedmediumsteel quenched andmediumTreatment1541carbon steeldrawn steeland temperedcarbon steeltemperedcarbon steelMin-0.280.150.150.280.280.280.1

2、5C0.550.550.550.550.300.250.550.550.550.25MaxElementMn Min0.740.74%P Max0.0480.0480.0480.0480.048 0.0480.0400.0400.0480.048S Max0.0580.0580.130.0580.058 0.0580.0450.0450.0580.058B Min0.00050.0005英制螺栓（ SAE J429）的機(jī)械性質(zhì)：Full Size Bolts ，機(jī)械性能 Machine Test Specimen Of強(qiáng)度等級產(chǎn)品規(guī)格Bolts， Screws，and StudsScrews，

3、Studs， SemsNominalSurfaceCoreHardness HardnessGrade DesignationProductsSize Dia InProofTensileYieldTensileElongationReduction OfRockwellRockwellLoadStrengthStrengthStrength伸長率Area 斷面收縮 30N MaxMinMaxBolts 螺栓1Screws 螺釘1/4 thru 1-1/4330006000036000600001835B70B100Studs 螺柱Bolts 螺栓1/4 thru 3/455000740005

4、7000740001835B80B1002Screws 螺釘Over 3/4 thruStuds 螺柱330006000036000600001835B70B1001-1/24Studs 螺柱1/4 thru 1-1/2650001150001000001150001035C22C32Bolts 螺栓1/4 thru 18500012000092000120000143554C25C345Screws 螺釘Over 1 thruStuds 螺柱740001050008100010500143550C19C301-1/25.1d 此螺絲有墊Bolts 螺栓No.6 thru 5/88500012

5、000059.5C25C40Screws 螺釘片Studs 螺柱No.6 thru 1/2/5.2Bolts 螺栓Screws 螺釘1/4 thru 18500012000092000120000143556C26C367e此螺絲熱處理后輾牙Bolts 螺栓1/4 thru 1-1/210500013300115000133000123554C28C34Screws 螺釘Bolts 螺栓8Screws 螺釘1/4 thru 1-1/212000015000013000015000123558.6C33C39Studs 螺柱8.18.2Studs 螺柱1/4 thru 1-1/212000015

6、00001300001500001035C32C38Bolts 螺栓Screws 螺釘1/4 thru 1120000150000130000150000103558.6C33C392020-5-11 第 - 1 - 頁 共 21 頁青島天時海洋石油裝備有限公司英制螺栓（ ASTM A449 ）的化學(xué)成份和機(jī)械性質(zhì)：Heat analysisChemicalType1Product analysis化學(xué)成份Carbon:碳Manganese min 錳Phosphorus max 磷Sulfur ,max 硫Boron ,min 硼0.28-0.550.600.0400.0500.25-0.5

7、80.570.0480.058Type2Heat analysis0.15-0.380.700.0400.0500.0005Product analysis0.13-0.410.670.0480.0580.0005規(guī)格Full Size Bolts ，SurfaceHardness硬度強(qiáng)度等級產(chǎn)品Screws，Studs，HardnessGrade DesignationNominal SizeProductsDia. InProofTensileYieldElongation inReduction ofRockwellBrinellRockwellLoadStrengthStrength4

8、D min %Area ,min %30N MaxHB 布氏 HRC 洛氏TYPE2Bolts 螺栓1/4 thru 185ksi120ksi92ksi1435/255to32125to34TYPE1over 1 thru 1-1/274ksi105ksi81ksi1435223to28519to30Studs螺柱55ksi90ksi58ksi1435/183t235over 1-1/2 thru3配合的螺帽為ASTM A563 中的產(chǎn)品：These values are the as the over-tapping required for zinc coated nuts in Spec

9、ification ASTM A5631/4 至 1-1/2 英寸普通產(chǎn)品配合的螺帽為ASTM A563的 B 普通螺帽（ hex）；1-1/2 至 3英寸普通產(chǎn)品配合的螺帽為ASTM A563 的 A 重型螺帽（ heavy hex）；1/4 至 3 英寸鍍鋅產(chǎn)品配合的螺帽為 ASTM A563 的 DH 重型螺帽（ heavy hex）英制螺栓（ ASTM A307 ）的化學(xué)成份和機(jī)械性質(zhì)：Carbon:碳Manganese min 錳Phosphorus max 磷Sulfur max 硫Boron min 硼ChemicalGradeHeat analysismax0.29max 0.

10、90max 0.04max 0.15AProduct analysismax0.33max 0.93max 0.041化學(xué)成份GradeHeat analysismax0.29max 0.90max 0.04max 0.05BProduct analysismax0.33max 0.93max 0.041max 0.051備注 :1lbf=4.448N1 ksi=6.9Mpa1lbf=0.4593kgf強(qiáng)度等級產(chǎn)品規(guī)格 NominalGrade Designation ProductsSize Dia InGrade ALess than 3xdia3xdia and longerBolts

11、螺栓Grade BStuds 螺柱 Less than 3xdia3xdia and longerGrade CAllFull Size Bolts ，SurfaceHardness 硬度Screws， Studs，HardnessProofTensileYieldElongation inReductionofRockwellBrinellRockwellLoadStrengthStrength2 in min %Area min %30N MaxHBHRB/Min18/121-24169-10060ksimax241max100/60-100ksi18/121-21269-95max212

12、max95/58-80ksi36（ 50）ksi23/No hardness requiredResulfurized steel is not subject to rejection based on product analysis for sulfur2020-5-11 第 - 2 - 頁 共 21 頁青島天時海洋石油裝備有限公司配合的螺帽為 ASTM A563 中的產(chǎn)品：1/4 至 1-1/2 英寸普通產(chǎn)品配合的螺帽為ASTM A563 的 A 普通螺帽（ hex）；1-1/2 至 4英寸普通產(chǎn)品配合的螺帽為ASTM A563 的 A 重型螺帽（ heavy hex）； 1/4 至

13、4 英寸鍍鋅產(chǎn)品配合的螺帽為ASTM A563 的 A 重型螺帽（ heavy hex）英制螺栓（ ASTM A354 ）的化學(xué)成份和機(jī)械性質(zhì)：For sizeChemicalthrough 1-1/2 in化學(xué)成份For size Largethan1-1/2 in強(qiáng)度等級產(chǎn)品Grade Designation ProductsGrade BCBolts 螺栓Studs螺柱Grade BDCarbon: 碳Manganese min 錳Phosphorus max 磷Sulfur max 硫Boron min 硼Heat analysis0.30-0.53/max 0.035max 0.04

14、0/Product analysis0.28-0.55max 0.040max0.045Heat analysis0.35-0.53/max 0.035max 0.040/Product analysis0.33-0.55max 0.040max0.045規(guī)格Full Size Bolts ，SurfaceHardness硬度Screws，Studs，HardnessNominalProofTensileYieldElongation inReduction ofRockwellBrinellRockwellSize Dia InLoadStrengthStrength2 inmin %Are

15、a min %30N MaxHBHRC1/4 to 2-1/2105ksi125ksi109ksi1650/255-33126-36Over 2-1/295ksi115ksi99ksi1645235-31122-331/4 to 2-1/2120ksi150ksi130ksi1440/311-36333-39Over 2-1/2105ksi140ksii115ksi1440293-36331-39These values are the as the over-tapping required for zinc coated nuts in Specification ASTM A563譯文：

16、這些值為鍍鋅產(chǎn)品的要求，在ASTM A563 中對螺帽有具體要求。英制螺栓（ ASTM A193 ）的機(jī)械性質(zhì)：Tensile StrengthYield StrengthElongation inReduction ofHardness 硬度ReferGrade and ClassDiameterksi0.2% Offset4D min %Area min %MaxToin.MinMinMinMinBrinellRockwellnoteB5To 1/4 incl.100801650-1B6To 1/4 incl.110851550-1B6XTo 1/4 incl.90701650-C261T

17、o 2-1/2 incl.1251051650C35B7Over2-1/2 to 4115951650-C351Over 4to 7100751850-C35To 2-1/2 incl.1251051850321C35B16Over2-1/2 to 2110951745321C351Over 4to 7100851645321C352020-5-11 第 - 3 - 頁 共 21 頁青島天時海洋石油裝備有限公司To 4 incl.100801850235B99B7M1,2Over 4 to 7100751850235B99Classes 1 and 1D: B8,B8M,B8P,B8LN,B8

18、MLNall75303050223B963,4Class1: B8C,B8Tall75303050223B964Class 1A:B8A,B8CA,B8MA,B8PA,B8TA,B8LNAall75303050192B903,B8MLNA,B8NA,B8MNA,B8MLCuNAClasses 1B and 1D: B8N,B8MN,B8MLCuNall80353040223B963.4Class 1C and 1D:B8Rall100553555271C283Class 1C:B8RAall100553555271C283DiameterTensile StrengthYield-Streng

19、thElongation inReduction ofHardness 硬度ReferGrade and Classksi0.2% Offset4D min %Area min %MaxToin.MinMinMinMinBrinellRockwellnoteClass 1C and 1D:B8Sall95503555271C283Class 1C:B8SAall95503555271C283To 3/41251001235321C35Over 3/4 to 1115801535321C35Class 2: B8,B8C,B8P,B8T,B8NOver 1 to 1-1/43,510565204

20、5321C35Over1-1/4100502845321C35to1-1/2incl.To 3/4110961545321C35Over 3/4 to 13,5100802045321C35Class 2: B8M,B8MN,B8MLCuNOver 1 to 1-1/495652545321C35Over1-1/4390503045321C35to1-1/2incl.To 2 incl.Over 2 to95752540321C35Class 2B: B8,B8M22-1/2incl.90653040321C353,5Over2-1/2 to 380553040321C35incl.Class

21、 2C: B8M3To 2 incl.85653060321C353,5Over 285603060321C35NOTES:1.The minimum temperature for Grades B5, B6X,and B7 shall be 1100 F; for GradeB16, 1200 F;譯文：等級為 B5，B6X 和 B7 的最小回火溫度為1100F，而等級為 B16 的最小回火溫度為 1200FTo meet the tensile strength requirements, the hardness shall be over Brinell 201(Rockwell B

22、94)minimum.2020-5-11 第 - 4 - 頁 共 21 頁青島天時海洋石油裝備有限公司譯文：硬度一定要在201 布氏（ 94HRB）硬度以上，抗拉強(qiáng)度一定能達(dá)到。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 stra

23、in-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.譯文： Class 1將其視為 1 級對待， Class 1A 的材料應(yīng)進(jìn)行表面處理 ,具有防腐蝕性能， Class 2類的各等級的材料應(yīng)接受碳化物固溶處理后應(yīng)變硬化奧氏體鋼,尤為 3/4 以上的螺栓 ,經(jīng)硬化后可能出現(xiàn)整個面上各部分性能不均勻現(xiàn)象.For diame

24、ters 3/4 in. and smaller, a maximum hardness of Brinell 241(Rockwell Bis permitted.譯文：直徑為 3/4 或更小的產(chǎn)品，硬度要求為最大241 布氏（ 100HRB）硬度。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.譯文：直徑為 1-1/2 或更大產(chǎn)品，

25、芯部性能低于試驗報告所點明的性能,因為試驗報告依據(jù)的數(shù)值是在半徑中點處測定的。Table 3 Grade Identification Markings forPopular Grades of Carbon Steel NutsProofHardnessSeeGradeNominal SizeRockwell硬NoteIdentificatiSpecification規(guī)Material材料Load參見onin.Stressksi 載度Marking荷筆記MinMaxASTM A563-GradeCarbon Steel1/4 thru 1-1/269B55C323,4OASTM A563-G

26、radeCarbon Steel1/4 thru 1-1/290B68C323,4AASTM A563-GradeCarbon Steel1/4 thru 1120B69C323,4Over 1 thru105NO MARKB1-1/2SAE J995-Grade 2Carbon Steel1/4 thru 1-1/290-C3211Carbon SteelASTM A563-Grademay be1/4 thru 4144B78C385CQuenched andTempered2020-5-11 第 - 5 - 頁 共 21 頁青島天時海洋石油裝備有限公司Atmosphericcorrosi

27、onASTM A563-Grade Resistant Steel,1/4 thru 4144B78C385,9C3may beQuenched andTemperedCarbon SteelASTM A563-Grademay be1/4 thru 4150B84C386DQuenched andTemperedSAE J995-Grade 5Carbon Steel1/4 thru 1120-C3212ASTM A563-GradeCarbon Steel,Quenched and1/4 thru 4175C24C386DHTemperedAtmosphericcorrosion1/4 t

28、hru 4175C24C385,9ASTM A563-Grade Resistant Steel,DH3Quenched andTemperedASTM A194-GradeCarbon Steel1/4 thru 4130B70-2,71ASTM A194-Grade Medium Carbon1/4 thru 41501593522,7,82SteelMedium CarbonASTM A194-GradeSteel,1/4 thru 4175C24C352,72HQuenched andTemperedTable 3 Continued next pageTable 3 Grade Id

29、entification Markings for Popular Grades of Carbon Steel NutsContinued）ProofHardnessGradeMaterialNominal SizeLoadRockwell硬SeeIdentificatiSpecificationStress度on Markingin.ksi 保MinMaxNote載Medium CarbonASTMSteel,1/4 thru 41501592372,7,8A194-Grade 2HM Quenched andTemperedMedium Carbon1/4 thru 5/8150C24C

30、30SAE J995-Grade 8Steel,over 5/8 thru 1150C26C3412Quenched andTempered1150C26C36ASTMMedium CarbonAlloy Steel,1/4 thru 4175C24C382,7A194-Grade 4Quenched andTempered2020-5-11 第 - 6 - 頁 共 21 頁青島天時海洋石油裝備有限公司Medium CarbonASTMAlloy Steel,1/4 thru 4175C24C382,7A194-Grade 7Quenched andTemperedASTMMedium Car

31、bonAlloy Steel,1/4 thru 41501592372,7,8A194-Grade 7MQuenched andTemperedSee Notes101,2NOTES ：(備注)In addition to the indicated grade marking, all grades, except A563 grade O, A and B, must be marked for manufacturer identification.除所列等級標(biāo)記外，所有等級（除 A563，O、A、B 級外），必需注明廠家自己標(biāo)記。2. The markings shown for al

32、l grades of A194 nuts are for cold formed and hotforgednuts.When nuts are machinedfrombar stock, the nutmust beadditionally marked with the letter B.The letters H and M indicate heat the ated nuts.A194 標(biāo)準(zhǔn)，所有螺帽都是冷墩成型和熱處鍛造成型螺帽。當(dāng)螺帽是由棒鋼機(jī)械加工而成時，需在標(biāo)記上加字母“B”；字母H“”和T“”表示是經(jīng)熱處理的螺帽。Nuts are not required to be

33、marked unless specified by the purchaser. When marked, the identification marking shall be the grade letter O, A or B.如購貨方無特殊要求，螺帽上可以不注明等級標(biāo)記。如果要注明的話，等級標(biāo)記為字母 O、A 或 B。Properties shown are those of non plated or non coated coarse thread hexnuts. For properties of other nut styles, nuts with fine thread

34、s, and plated or coated nuts, refer to Table 3, page B-171.所示機(jī)械性能，是非電鍍、粗牙、六角螺帽的機(jī)械性能。細(xì)牙、電鍍螺帽的機(jī)械性能，參閱 B171頁，表 3。Properties shown are those of coarse thread heavy hex nuts.所示機(jī)械性能是粗牙、重型六角螺帽的機(jī)械性能。Properties shown are those of coarse thread heavy hex nuts. For properties of other nut styles and nuts with

35、fine threads, refer to Table 3, page B-112.所示機(jī)械性能是粗牙、重型六角螺帽的機(jī)械性能。細(xì)牙螺帽和其它類別螺帽的機(jī)械性能參閱 B-112 頁，表 3。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.所示機(jī)械性能是粗牙，牙數(shù)為 8 的重型六角螺帽的機(jī)械性能。粗牙，牙數(shù)為 8 的普通六角螺帽的機(jī)械性能參閱 B13

36、2 頁，表 3。Hard-nesses are Brinell Hardness Numbers.硬度是布氏硬度。The nut manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel.如采用防腐蝕鋼材，螺帽生產(chǎn)廠家可增加其它標(biāo)記。Specifications（詳細(xì)說明） ASTM A563-Carbon and Alloy Steel Nuts, page B-167.ASTM書 A563-碳鋼、合金鋼螺帽， B-167 頁

37、。ASTM A194/A194M-Carbon and Alloy Steel Nuts for Bolts for High Pressure and High Temperature Service, page B-126.ASTM A194/A194M 經(jīng)高壓、高溫處理的，與螺栓配套的碳鋼，合金鋼螺帽。11. Grade 2 不需打任何標(biāo)記。Grade 5 and 8應(yīng)標(biāo)記等級。2020-5-11 第 - 7 - 頁 共 21 頁青島天時海洋石油裝備有限公司HV表示維氏硬度，是硬度的一種測量方法及單位；KSI是千磅 /平方英寸，是壓強(qiáng)，具體地說是抗拉強(qiáng)度單位；抗拉強(qiáng)度和硬度之間非線性關(guān)系

38、，一般可以查表換算：104KSI=HV220 ；HV250=116KSI1 KSI = 1000 lb / in.2 = 1000 x 0.4536 x 9.8 N / (25.4 mm)2= 6.89 N / mm2Table 2 Grade Identification Markings for Popular Grades of Carbon SteelExternally Threaded FastenersGradeProofTensileHardnessSpecificationMaterialNominal Size in.RockwellSeeIdentificatiLoadS

39、trengthonStressMin ksiMinMaxNoteMarkingksiSAE J429-Grade 11/4 thru 1-1/23360B70B1001/4 thru 3/45574B80B100SAE J429-Grade 2over 3/4 thru3360B70B100Low or1-1/2ASTM A307-GradeMedium307ACarbon Steel1/4 thru 4-60B69B100A307BASTM A307-Grade1/4 thru 4-60minB69B95B-100maxMediumCarbon Steel,僅指No MarkSAE J429

40、-Grade 4Quenched1/4 thru 1-1/265115-studsandTempered2020-5-11 第 - 8 - 頁 共 21 頁青島天時海洋石油裝備有限公司Medium1/4 thru 185120C25SAE J429-Grade 5 Carbon Steel,over 1 thruASTM A449-Type1Quenched1-1/274105C19ASTM A449-Type1andover 1-1/2 thru 35590183TemperedLow orMediumSAE J429-GradeCarbon Steel,No.6 thru 1/285120

41、C255.1QuenchedandTemperedSAE J429-GradeLow CarbonC265.2MartensiteSteel,1/4 thru 185120QuenchedASTM A449-Type 2C25andTemperedMediumA325Carbon Steel,ASTM A325-Type1QuenchedandTemperedAtmospheric1/2 thru 185120C24corrosionover 1 to 1-1/274105C19ASTM A325-Type3ResistantSteel,QuenchedandTemperedC34C303C4

42、04C36C345C35C3165Table 2 Continued next pageTable 2 Grade Identification Markings for Popular Grades of Carbon Steel5Externally Threaded Fasteners（Continued）ProofTensileHardnessGradeSpecificationMaterialNominal Size LoadStrengthRockwellIdentification Markingin.StressMinMinMaxksiksiMediumASTMCarbon A

43、lloySteel,1/4 thru 2-1/2105125C26C36A354-Grade BCQuenched andTemperedMediumSAE J429-GradeCarbon Alloy1/4 thru 1-1/2105133-7Steel,Quenched andTemperedSAE J429-GradeMedium1/4 thru 1-1/2120150C33C398Carbon AlloySteel,ASTMQuenched andBDTempered1/4 thru 2-1/2120150C33C39A354-Grade BDSeeNote熱處理后再輾牙72020-5

44、-11 第 - 9 - 頁 共 21 頁青島天時海洋石油裝備有限公司MediumNo MarkSAE J429-GradeCarbon Alloy1/4 thru 1-1/2120150-8.1or SAE1541/1541HLow CarbonSAE J429-GrademartensiteSteel,1/4 thru 1120150C33C398.2Quenched andTemperedMediumA490ASTM A490-TypeCarbon Alloy150 min1Steel,1/2 thru 1-1/2120170maxC33C38Quenched andTemperedLow

45、 CarbonA490ASTM A490-TypeMarten-site1/2 thru 1120150 minC33C382Steel,170maxQuenched andTemperedAtmosphericASTM A490-TypeCorrosion150 minResistant1/2 thru 1-1/2120C33C383Steel,170maxQuenched andTemperedNOTES： (備注 )01.In addition to the indicated grade marking, all grades included in this table must b

46、emarked9 for manufacturer identification. 除所列等級標(biāo)記外，此表中所有等級必需標(biāo)注廠家自己的標(biāo)記。02.While hex heads are shown, grade markings apply equally to products with other headconfigurations. 如果是六角頭型，等級標(biāo)記等同與其它頭型。3.Hardnesses are Brinell Hardness Numbers硬.度為布氏硬度。4.Grade 5.1 is a popular grade for SEMS. SEMS 產(chǎn)品常用等級是 5.1

47、級，參閱 J-10 頁。5.A325 Type 1 bolts may also be marked with 3 radial lines 120apart in addition to A325marking. A325 1 類產(chǎn)品，等級標(biāo)記為+ A325 。6.The bolt manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel.如采用防腐蝕鋼材，廠家可增加其它標(biāo)記來表明使用的是耐腐蝕鋼材。7.ASTM A354 G

48、rade BD may have optionally six radial lines.ASTM A354 BD 級可采用六條線標(biāo)記。8.Specifications（詳細(xì)說明：）SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners, page B-79.SAE J429外螺紋緊固件 機(jī)械性能與材質(zhì)要求， B-79 頁。ASTM A307 Carbon Steel Externally Threaded Standard Fasteners, page B-90.ASTM A307碳鋼外

49、螺紋緊固件， B-90 頁。ASTM A449 Quenched and Tempered Steel Bolts and Studs, page B-97.ASTM A449淬火、回火（碳鋼）螺栓、螺柱， B-97 頁。 ASTM A325 High Strength Bolts for Structural Steel Joints, page E-28.ASTM A325高強(qiáng)度螺栓， E-28 頁。ASTM A354 Quenched and Tempered AlloySteel Bolts, Studs, and Other僅指studs62020-5-11 第 - 10 - 頁 共

50、 21 頁青島天時海洋石油裝備有限公司Externally Threaded Fasteners, page B-139.ASTM A354淬火、回火合金鋼螺栓，螺柱及其它外螺紋緊固件，B-139頁。ASTM A490 Heat Treated Steel Structural Bolts, 150 ksi Minimum Tensile Strength, page E-37.ASTM A490熱處理鋼結(jié)構(gòu)螺栓，抗拉強(qiáng)度最小 150 ksi，E-37 頁。附表一： Reference to Fastener ldentification MarkingsSpecification No.Ma

51、terialSee Clause No.On Page NoBolts, Screws and studsSAE J429Carbon steel6B-79Carbon alloy steelASTM A307Carbon steel13B-90ASTM A449Carbon steel15B-97ASTM A354Carbon alloy steel15 and S1B-139ASTM A193/A193MCarbon alloy steel16 and S5B-114stainless steelASTM A320/A320MCarbon alloy steel11B-104stainle

52、ss steelASTM F593stainless steel18B-148ASTM F468nonferrous alloys17B-158ASTM A325carbon steel16E-28ASTM A490Carbon alloy steel18E-37ASTM A394Carbon steel16E-44ASTM F901aluminum17.1 and S2.1E-51NutsASTM A563Carbon steel14B-167ASTM A194/A194MCarbon steel14B-126Carbon alloy steelstainless steelASTM F59

53、4stainless steel18.1B-177ASTM F467nonferrous alloys17.1B-184WashersASTM F436Carbon steel15L-24ASTM F959Carbon steel17E-65螺帽機(jī)械性質(zhì)：普通螺帽采用的標(biāo)準(zhǔn)：GB/T3098.2/4、 ISO898.2/ 6、 JISB1052、 SAEJ995、 DIN267.4 、ASTM A563 、ASTM A194 、2020-5-11 第 - 11 - 頁 共 21 頁青島天時海洋石油裝備有限公司普通螺帽的機(jī)械性質(zhì)：螺紋組合件在實際使用過程中由于超擰，可能產(chǎn)生下列失效形式：螺桿斷裂

54、；螺桿的螺紋脫扣；螺母的螺紋脫扣；螺母和螺桿的螺紋脫扣；螺桿的斷裂是突然發(fā)生的，比較容易發(fā)現(xiàn)，而脫扣是逐漸發(fā)生的，很難發(fā)現(xiàn)并增加了因緊固件失效而造成事故的危險性。對螺紋連接件的失效的設(shè)計，總希望失效是發(fā)生在螺桿部分，因此其螺紋配套的設(shè)計為強(qiáng)度等級較高的螺母可以替代性能等級較低的螺母；螺栓螺母組合件的應(yīng)力高于螺栓的屈服強(qiáng)度或保證應(yīng)力是可行的；對于實際生產(chǎn)中超過螺栓保證載荷的擰緊時有發(fā)生的情況，對螺母的設(shè)計應(yīng)至少保證在超擰 10%時，螺紋組合件的失效是螺桿斷裂；螺帽用材料：GB3098/JIS B1052性能等級化學(xué)成份 %C maxMn minP maxS max4、.0.060/ 0.110

55、.、. . . .0.150/0.058. .0.150/0.0582020-5-11 第 - 12 - 頁 共 21 頁青島天時海洋石油裝備有限公司1）、性能等級為 05、8（ M16 的 I 型螺母）、10 和 12 級螺母應(yīng)進(jìn)行淬火并回火處理。2）、對于 4、5、6 和 04、05 級的螺母可以用易切鋼制造 （供需雙方另有協(xié)議除外），其硫。磷和鉛的最大含量為：硫0.30%(0.34%)；磷 0.11%；鉛 0.35%;3)、對于 10、12 為改善螺母的機(jī)械性能 ,必要時可以增添合金元素性能等級螺紋規(guī)格04054維氏硬度保證維氏硬度保證維氏硬度保證螺母螺母螺母HV應(yīng)力HV應(yīng)力HV應(yīng)力mi

56、maSmimaSmimaSPPPnx熱處理型式nx熱處理型式nx熱處理型式-M4M4M7M7M1不-182735淬火并0薄薄380302淬火500M1M18型23回火型回火06M1M35101130不淬火回火16972性能等級螺紋規(guī)格568保證維氏硬度保證維氏硬度維氏硬度螺母螺母保證螺母應(yīng)力HV應(yīng)力HVHV應(yīng)力SPmimaSPmimamima熱處理型式熱處理型式SP熱處理型式nxnxnx-M4520600800180/ 170M4M7580670855/810M7M159013不68015不淬870/83030200/不淬火回火003020302淬火1火回11881M1M16107002回火火

57、880/84006M1M363014720179202335淬火并回火696033螺紋規(guī)格性能等級8910保證維氏硬螺母保證維氏硬度螺母保證維氏硬度螺母應(yīng)力度 HV應(yīng)力HV應(yīng)力HV2020-5-11 第 - 13 - 頁 共 21 頁青島天時海洋石油裝備有限公司M4M4M7M7M10M1M106M1M369螺紋規(guī)格M4M4M7M7M10M1M106M1M369SPmimaxSPmimaSPmiman熱處理型式nx熱處理型式nx熱處理型式90017104009151040-94030不淬10402735淬火并火回2118223回火950火1050889018302不淬火回火292010600性能

58、等級12保證維氏硬度螺母保證維氏硬度螺母應(yīng)力HV應(yīng)力HVSPminmax熱處理型式SPminmax熱處理型式1140 /115011501140 /1150淬火11501140 /11601160295353并1淬火1170 /1190回火1190272353并2回火-1200螺帽機(jī)械性質(zhì)：表一： GB3098.2/ JIS B1052表二 GB/T3098.4/ JIS B1052性能等級04055(日標(biāo)無要求 )維氏硬度螺母保證維氏硬度保證維氏硬度螺紋規(guī)格保證HV應(yīng)力螺母應(yīng)力螺母應(yīng)力HVHVmaSmimaSmimamiSPPPx熱處理型式n熱處理型式n熱處理型式nxx8d 10淬火6901

59、710 d 16不5不18薄2735薄16 d 33302淬火30138050023并型19淬火33d 398回火型72020回火回火螺紋規(guī)格性能等級682020-5-11 第 - 14 - 頁 共 21 頁青島天時海洋石油裝備有限公司保證維氏硬度螺母保證維氏硬度保證維氏硬度應(yīng)力HV應(yīng)力螺母螺母HV應(yīng)力HVSPmimaSPmimamimaSPnx熱處理型式n熱處理型式n熱處理型式xx8d 1077018不95525淬火8901930210 d 167808052302淬火135116 d 3387023103029并不淬火回火回火3-33d 3993031090/10305回火性能等級1012

60、螺紋規(guī)格保證維氏硬度螺母保證維氏硬度保證維氏硬度應(yīng)力HV應(yīng)力螺母螺母HV應(yīng)力HVSPmimaSPmimamimaSPnx熱處理型式n熱處理型式n熱處理型式xx8d 10110029353淬火1105525淬火120029352505淬火回火10 d 161110回火352316 d 3326并-10803-33d 390回火1)D 16mm 的螺母 ,可以淬火并回火 ,由制造者確定 .表三 :SAEJ995 規(guī)定的機(jī)械性質(zhì)：螺帽等級螺帽稱呼徑保證應(yīng)力 KSI / PSI硬度Nut GradeNut Size Dia, in粗牙 UNC ，8UN細(xì)牙 UNF,12UNRockwell Hardn