英制螺栓机械性能要求.pdf

《英制螺栓机械性能要求.pdf》由会员分享，可在线阅读，更多相关《英制螺栓机械性能要求.pdf（22页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、英制（SAE J429）螺栓所用材料：Grade 1 2 4 5 5.1 5.2 7 8 8.1 8.2 Material and Treatme nt Low or medium carb on steel Medium Carbon cold drawn steel Medium Carbon steel quenched and tempered Low or medium carbon steel Medium Carbon alloy steel quenched and tempered SAE 1541 Low or medium carbon steel Eleme n t%C

2、 Min-0.28 0.15 0.15 0.28 0.28 0.28 0.15 Max 0.55 0.55 0.55 0.55 0.30 0.25 0.55 0.55 0.55 0.25 Mn Min-0.74-0.74 P Max 0.04 8 0.04 8 0.048 0.048 0.048 0.04 8 0.040 0.040 0.048 0.048 S Max 0.05 8 0.05 8 0.13 0.058 0.058 0.058 0.045 0.045 0.058 0.058 B Min-0.000 5 -0.0005 英制螺栓（SAE J429）的机械性质:强度等级 Grade

3、Designation 含口 产口仃 Product s 规格 Nominal Size Dia In Full Size Bolts，Screws，Studs，Sems 机械性能 Machine Test Specimen Of Bolts，Screws，and Studs Surface Hardness Core Hardness Proof Load Ten sile Stre ngth Yield Stre ngt h Ten sile Stre ngth Elon gatio n伸长率 Reducti on Of Area断面收缩 Rockwell 30N Max Rockwell

4、 Min Max 1 Bolts 螺 栓 Screws螺钉 Studs 螺 柱 1/4 thru 1-1/4 33000 60000 36000 60000 18 35-B70 B100 2 Bolts 螺 栓 Screws螺钉 Studs 螺 柱 1/4 thru 3/4 55000 74000 57000 74000 18 35-B80 B100 Over 3/4 thru 1-1/2 33000 60000 36000 60000 18 35-B70 B100 4 Studs 螺 柱 1/4 thru 1-1/2 65000 115000 100000 115000 10 35-C22

5、C32 5 Bolts 螺 栓 Screws螺钉 Studs 螺 柱 1/4 thru 1 85000 120000 92000 120000 14 35 54 C25 C34 Over 1 thru 1-1/2 74000 105000 81000 10500 14 35 50 C19 C30 51d此螺丝有垫片 5.1 Bolts 螺 栓 Screws螺钉 Studs 螺 柱 No.6 thru 5/8 85000 120000-59.5 C25 C40 No.6 thru 1/2/5.2 Bolts 螺 栓 Screws螺钉 1/4 thru 1 85000 120000 92000 1

6、20000 14 35 56 C26 C36 (化 Chemical 化学成份 Carbon:碳 Manganese min 锰 Phosphorus max 磷 Sulfur,max 硫 Boron,min 硼 Type1 Heat analysis Product analysis 0.28-0.55 0.25-0.58 0.60 0.57 0.040 0.048 0.050 0.058-Type2 Heat analysis Product analysis 0.15-0.38 0.13-0.41 0.70 0.67 0.040 0.048 0.050 0.058 0.0005 0.00

7、05 强度等级 Grade Designation 含口 产口仃 Product s 规格 Nominal Size Dia.In Full Size Bolts,Screws,Studs,Surface Hardness Hardness 硬度 Proof Load Ten sile Stre ngth Yield Stre ngth Elon gati on in 4D min%Reducti on of Area,min%Rockwell 30N Max Brinell HB布氏 Rockwell HRC洛 氏 TYPE2 Bolts 螺 栓 c Studs 螺 柱 1/4 thru 1

8、 85ksi 120ksi 92ksi 14 35/255to321 25to34 TYPE1 ver 1 thru 1-1/2 over 1-1/2 thru3 74ksi 55ksi 105ksi 90ksi 81ksi 58ksi 14 14 35 35/223to285 183t235 19to30 e此螺丝热处理后辗牙 7 Bolts 螺 栓 Screws螺钉 1/4 thru 1-1/2 105000 13300 115000 133000 12 35 54 C28 C34 8 Bolts螺栓 Screws螺钉 Studs 螺 柱 1/4 thru 1-1/2 120000 150

9、000 130000 15000 12 35 58.6 C33 C39 8.1 Studs螺柱 1/4 thru 1-1/2 120000 150000 130000 150000 10 35-C32 C38 8.2 Bolts 螺 栓 Screws螺钉 1/4 thru 1 120000 150000 130000 150000 10 35 58.6 C33 C39 英制螺栓(ASTM A449 的化学成份和机械性质:配合的螺帽为 ASTM A56 沖的产品：These values are the as the over-tapp ing required for zinc coated

10、nuts in Specificati on ASTM A563 1/4 至 1-1/2 英寸普通产品配合的螺帽为 ASTM A563 勺 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 勺 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 勺 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

11、A Heat analysis Product analysis max0.29 max0.33 max 0.90 max 0.93 max 0.04 max 0.041 max 0.15 GradeB Heat analysis Product analysis ma0.29 max0.33 max 0.90 max 0.93 max 0.04 max 0.041 max 0.05 max 0.051 备注：1lbf=4.448N 1 ksi=6.9Mpa 1lbf=0.4593kgf 强度等级 Grade Designation 含口 产口仃 Product s 规格 Nominal Si

12、ze Dia In Full Size Bolts，Screws,Studs，Surface Hardness Hardness 硬度 Proof Load Ten sile Stre ngth Yield Stre ngth Elon gati on in 2 in min%Reducti on Area min%Rockwell 30N Max Brinell HB Rockwell HRB Grade A L 3 3olts螺栓 Studs螺柱I.ess than 3xdia xdia and longer/Min 60ks i 18/121-241 max241 69-100 max1

13、00 Grade B.ess than 3xdia 3xdia and longer/60-100ks i 18/121-212 max212 69-95 max95 Grade C All/58-80ksi 36（50）ksi 23/No hardness required Resulfurized steel is not subject to rejecti on based on product an alysis for sulfur 配合的螺帽为 ASTM A56 沖的产品：1/4 至 1-1/2 英寸普通产品配合的螺帽为 ASTM A563 勺 A 普通螺帽(hex);1-1/2

14、 至 4 英寸普通产品配合的螺帽为 ASTMA563 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 勺 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 in Heat analysis Product analysis 0.30-0.5 3 0.28-0.5 5/max 0.035 max 0.

15、040 max 0.040 max0.045/:or size Large than1-1/2 in Heat analysis Product analysis 0.35-0.5 3 0.33-0.5 5/max 0.035 max 0.040 max 0.040 max0.045/强度等级 Grade Designation 含口 产口仃 Product s 规格 Nominal Size Dia In Full Size Bolts，Screws，Studs，Surface Hardness Hardness 硬度 Proof Load Ten sile Stre ngth Yield

16、Stre ngth Elon gati on in 2 in min%Reducti on of Area min%Rockwell 30N Max Brinell HB Rockwell HRC Grade BC Bolts螺栓 1/4 to 2-1/2 Over 2-1/2 105ksi 95ksi 125ks 115ks 109ksi 99ksi 16 16 50 45/255-331 235-311 26-36 22-33 Grade BD Studs螺柱 1/4 to 2-1/2 Over 2-1/2 120ksi 105ksi 150ksi 140ksi i 130ksi 115k

17、si 14 14 40 40/311-363 293-363 33-39 31-39 These values are the as the over-tapp ing required for zinc coated nuts in Specificati on ASTM A563 译文：这些值为镀锌产品的要求，在 ASTM A56 沖对螺帽有具体要求。英制螺栓（ASTM A193 的机械性质:Grade and Class Diameter in.Ten sile Stre ngth ksi Yield Stre ngth 0.2%Offset Elon gati on in 4D min

18、%Reducti on of Area min%Hardness 硬度 Max Refer To note Min Min Min Min Brinell Rockwell B5 To 1/4 incl.100 80 16 50-1 B6 To 1/4 incl.110 85 15 50-1 B6X To 1/4 incl.90 70 16 50-C26 1 To 2-1/2 incl.125 105 16 50-C35 B7 Over2-1/2 to 4 115 95 16 50-C35 1 Over 4 to 7 100 75 18 50-C35 To 2-1/2 incl.125 105

19、 18 50 321 C35 B16 Over2-1/2 to 2 110 95 17 45 321 C35 1 Over 4 to 7 100 85 16 45 321 C35 B7M To 4 in cl.100 80 18 50 235 B99 1,2 Over 4 to 7 100 75 18 50 235 B99 Classes 1 and 1D:B8,B8M,B8P,B8LN,B8MLN all 75 30 30 50 223 B96 3,4 Class1:B8C,B8T all 75 30 30 50 223 B96 4 Class 1A:B8A,B8CA,B8MA,B8PA,B

20、8TA,B8LNA all 75 30 30 50 192 B90 3,B8MLNA,B8NA,B8MNA,B8MLCuNA Classes 1B and 1D:B8N,B8MN,B8MLCuN all 80 35 30 40 223 B96 3.4 Class 1C and 1D:B8R all 100 55 35 55 271 C28 3 Class 1C:B8RA all 100 55 35 55 271 C28 3 Ten sile Yield-Stre ngt Reducti on Elon gati on in Hardness 硬度 Refer Grade and Class D

21、iameter Stre ngth h 4D min%of Area Max To in.ksi 0.2%Offset min%note Min Min Min Min Brinell Rockwell Class 1C and 1D:B8S all 95 50 35 55 271 C28 3 Class 1C:B8SA all 95 50 35 55 271 C28 3 To 3/4 125 100 12 35 321 C35 Over 3/4 to 1 115 80 15 35 321 C35 Class 2:B8,B8C,B8P,B8T,B8N Over 1 to 1-1/4 105 6

22、5 20 45 321 C35 3,5 Over1-1/4 100 50 28 45 321 C35 to1-1/2incl.To 3/4 110 96 15 45 321 C35 Over 3/4 to 1 100 80 20 45 321 C35 3,5 Class 2:B8M,B8MN,B8MLCuN Over 1 to 1-1/4 95 65 25 45 321 C35 Over1-1/4 90 50 30 45 321 C35 3 to1-1/2incl.To 2 incl.Over 2 to 95 75 25 40 321 C35 Class 2B:B8,B8M2 2-1/2inc

23、l.90 65 30 40 321 C35 3,5 Over2-1/2 to 3 80 55 30 40 321 C35 incl.To 2 incl.85 65 30 60 321 C35 Class 2C:B8M3 Over 2 85 60 30 60 321 C35 3,5 NOTES:1.The minimumtemperature for Grades B5,B6X,and B7 shall be 1100 F;for Grade B16,1200 F;译文：等级为 B5,B6X 和 B7 的最小回火温度为 1100 F,而等级为 B16 的最小 回火温度为 1200F 2.To m

24、eet the ten sile stre ngth requireme nts,the hard ness shall be over Brin ell 201(Rockwell B94)mi nimum.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 con diti on for corrosi on resista nee;heat treatme nt is critical due to physical p

25、roperty requireme nts.Class 2 is soluti on treated and strain-hardened.Austenitic steels in the strain-hardened condition maynot show uniform properties throughout the secti on 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

26、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 maximumhard ness of Brin ell 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,cen ter(core)properties may be lower tha n in dicated by test reports which

27、 are based on values determ ined 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 Ide ntificati on Markings for Popular Grades of Carbon Steel Nuts Grade Ide ntif icati on Specificati on 规 Material 材 料 Nomi nal Size in.Proo f Load Hardn ess Rockwell 硬度 See Note

28、参见 Marki ng Stre ss ksi 载荷 Min Max 笔记 ASTM A563-Grade O Carbon Steel 1/4 thru 1-1/2 69 B55 C32 3,4 1 1 ASTM A563-Grade A Carbon Steel 1/4 thru 1-1/2 90 B68 C32 3,4 NO MARK ASTM A563-Grade B k Carbon Steel 1/4 thru 1 120 B69 C32 3,4 Over 1 thru 1-1/2 105 SAE J995-Grade 2 Carbon Steel 1/4 thru 1-1/2 9

29、0-C32 11 1 ASTM A563-Grade C Carbon Steel may be Quen ched and Tempered 1/4 thru 4 144 B78 C38 5 1 ASTM A563-Grade C3 Atmospheric corrosi on Resista nt Steel,maybe Quen ched and Tempered 1/4 thru 4 144 B78 C38 5,9 1 ASTM A563-Grade D Carbon Steel may be Quen ched and Tempered 1/4 thru 4 150 B84 C38

30、6 )SAE J995-Grade 5 Carbon Steel 1/4 thru 1 120-C32 12 1 ASTM A563-Grade DH Carbon Steel,Quen ched and Tempered 1/4 thru 4 175 C24 C38 6 ASTM A563-Grade DH3 Atmospheric corrosi on Resista nt Steel,Quen ched and Tempered 1/4 thru 4 175 C24 C38 5,9 ASTM A194-Grade 1 Carbon Steel 1/4 thru 4 130 B70-2,7

31、 1 ASTM A194-Grade 2 Medium Carbon Steel 1/4 thru 4 150 159 352 2,7,8 1 ASTM A194-Grade 2H Medium Carbon Steel,Quen ched and Tempered 1/4 thru 4 175 C24 C35 2,7 Table 3 Continued next page Table 3 Grade Identification Markings for Popular Grades of Carbon Steel Nuts(Continued)Grade Ide ntifi cati on

32、 Marki ng Specificati on Material Nomi nal Size in.Proo f Load Stre ss ksi 保载 Hardn ess Rockwell 硬度 See Note Min Max ASTM A194-Grade 2HM Medium Carbon Steel,Quen ched and Tempered 1/4 thru 4 150 159 237 2,7,8 SAE J995-Grade 8 Medium Carbon Steel,Quen ched and Tempered 1/4 thru 5/8 150 C24 C30 12 ove

33、r 5/8 thru 1 150 C26 C34 1 150 C26 C36 ASTM A194-Grade 4 Medium Carbon Alloy Steel,Quen ched and Tempered 1/4 thru 4 175 C24 C38 2,7 ASTM A194-Grade 7 Medium Carbon Alloy Steel,Quen ched and 1/4 thru 4 175 C24 C38 2,7 ASTM A194-Grade 7M Medium Carbon Alloy Steel,Quen ched and Tempered 1/4 thru 4 150

34、 159 237 2,7,8 See Notes 1,2 10 NOTES（备注）1.In addition to the indicated grade marking,all grades,except A563 grade O,A and B,must be marked for manu facturer ide ntificatio n.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 A14 nuts are for cold formed and hot forged

35、nu ts.Whe n nuts are mach ined from bar stock,the nut must be additi on ally marked with the letter B.The letters H and Min dicate heat the ated nu ts.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”字母和“T”表示是经热处理的螺帽。3.Nuts are not required to be marked uni ess specified by the purchaser.When

36、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OA 或 Bo 4.Properties show n 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 nu ts,refer to Table 3,p

37、age 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 3o 5.Properties show n are those of coarse thread heavy hex nu ts.所示机械性能是粗牙、重型六角螺帽的机械性能。6.Properties shownare 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

38、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 N

39、umbers.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 N

40、uts for Bolts for High Pressure and High Temperature Service,page B-126.碳钢AST金钢螺9帽A194M 经高压、高温处理的，与螺栓配套的 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=116KSI 1 KSI=1000 lb/in.2=1000 x 0.4536 x 9.8 N/(25.4 mm)2=

41、6.89 N/mm2 Table 2 Grade Identification Markings for Popular Grades of Carbon Steel Externally Threaded Fasteners Grade Ide ntif Specificati on Material Nomi nal Size in.Proof Load Stres s ksi h Tensi le Strengt Min ksi Hardn ess Rockwell See Not ication Marki ng Min Max e 0 SAEJ429-Grade 1 1/4 thru

42、 1-1/2 33 60 B70 B100 SAEJ429-Grade 2 Low or Medium 1/4 thru 3/4 over 3/4 thru 1-1/2 55 33 74 60 B80 B70 B100 B100 ASTM A307-Grade A Carbon Steel 1/4 thru 4-60 B69 B100 ASTM A307-Grad B 1 1/4 thru 4-60min 100ma x B69 B95 No Mark SAEJ429-Grade 4 Medium Carbon Steel,Quenched and Tempered 1/4 thru 1-1/

43、2 65 115-仅指 stud s SAEJ429-Grade 5 ASTM A449-Type1 Medium Carbon Steel,Quenched 1/4 thru 1 over 1 thru 1-1/2 85 74 120 105 C25 C19 C34 C30 ASTM A449-Type1 and)ver 1-1/2 thru 3 55 90 183 235 3 SAE J429-Grade 5.1 Low or Medium Carbon Steel,Quenched and Tempered No.6 thru 1/2 85 120 C25 C40 4 SAE J429-

44、Grade 5.2 Low Carbon Marte nsite Steel,Quenched and Tempered 1/4 thru 1 85 120 C26 C36 1 ASTM449-Type 2 C25 C34 ASTM A325-Type1 Medium Carbon Steel,Quenched and Tempered 1/2 thru 1 over 1 to 1-1/2 5 0 ASTM A325-Type3 Atmospheri c corrosi on Resista nt Steel,Quenched and Tempered 85 74 120 105 C24 C1

45、9 C35 C31 6 Table 2 Continued next page Table 2 Grade Ide ntificati on Markings for Popular Grades of Carbon Steel Externally Threaded Fasteners(Continued)Grade Ide ntifi cati on Marki ng Specificati on Material Nomi nal Size in.Proo f Load Stres s ksi len sil e Stre ng th Min ksi Hardn ess Rockwell

46、 See Not e Min Max 0 ASTM A354-Grade BC Medium Carbon Alloy Steel,Quenched and Tempered 1/4 thru 2-1/2 105 125 C26 C36 SAE J429-Grade 7 Medium Carbon Alloy Steel,Quenched and Tempered 1/4 thru 1-1/2 105 133-热处 理后 再辗 牙 SAE J429-Grade 8 Medium Carbon Alloy Steel,Quenched and Tempered 1/4 thru 1-1/2 12

47、0 150 C33 C39 ASTM A354-Grade BD 1/4 thru 2-1/2 120 150 C33 C39 7 No Mark SAE J429-Grade 8.1 Medium Carbon Alloy or SAE 1541/1541H 1/4 thru 1-1/2 120 150-仅指 stud s SAE J429-Grade 8.2 Low Carbon marte nsite Steel,Quenched and Tempered 1/4 thru 1 120 150 C33 C39 A490 冷 ASTM A490-Type 1 Medium Carbon A

48、lloy Steel,Quenched and Tempered 1/2 thru 1-1/2 120 150 min 170max C33 C38 ASTM A490-Type 2 Low Carbon Marte n-site Steel,Quenched and Tempered 1/2 thru 1 120 150 min 170max C33 C38 0 ASTM A490-Type 3 Atmospheric Corrosi on Resista nt Steel,Quenched and Tempered 1/2 thru 1-1/2 120 150 min 170max C33

49、 C38 6 NOTES（备注）1n additi on to the in dicated grade marking,all grades in eluded in this table must be marked for manu facturer ide ntificati on.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 show n,grade markings apply equally to products with other head con figuratio ns.如果是六角头型，等级标记等同与其它头型。3.H

50、ard nesses are Brin ell Hard ness 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 120 apart in addition to A325 marki ng.A325 1 类产品，等级标记为+A325。6.The bolt manufacturer,at his option,may add other markings