SAEJ1199公制外螺紋鋼制緊固件機(jī)械性能與材料要求中文版

1、Mechanical and Material Requirements for Metric ExternallyTHi*AarlaH QfaaI Focfahai*q公制外螺紋鋼制緊固件機(jī)械性能與材料要求1. Scope 范圍1.1 This SAE Standard covers the mechanical and material requirements for eight property classes of steel, externally threaded metric fasteners in sizes M1.6 through M36, inclusive, and

2、 suitable for use in automotive and related applications.本 SAE 標(biāo)準(zhǔn)涵蓋汽車(chē)及相關(guān)工業(yè)使用， 尺寸在 M1.6 到 M36 鋼鐵外螺紋緊固件的八個(gè)性能 等級(jí)的機(jī)械性能與材料要求。1.2 Products included are bolts, screws, studs, U-bolts, preassembled screw and washer assemblies (sems), and products manufactured the same as sems except without washer.產(chǎn)品包括：螺栓、螺

3、釘、螺柱、U型螺栓、預(yù)裝配的螺釘和墊片組件以及與預(yù)裝配組件一樣加工的無(wú)墊圈產(chǎn)品。1.3 Products not covered are tapping screws, thread-rolling screws, and self-drilling screws. Mechanical and material requirements for these products are covered in other SAE documents.產(chǎn)品不包括自攻螺釘、 自擠螺釘、 鉆尾螺釘。 這些產(chǎn)品的機(jī)械性能與材料要求包含在 SAE 另外的標(biāo)準(zhǔn)中。1.4 The term stud as re

4、ferred to herein, applies to a cylindrical rod of moderate length, threaded on either one or both ends or throughout its entire length. It does not apply to headed, collared, or similar products which are more closely characterized by requirements shown herein for bolts. 螺柱這里是指適用于中等長(zhǎng)度圓柱桿， 螺紋在一端有或兩端都

5、有， 或全螺紋的產(chǎn)品。 它并 不適用于有頭的、帶定位的或類(lèi)似于本文中所要求的螺栓特性近似的產(chǎn)品。1.5 For specification purposes, this document treats U-bolts as studs. Thus, wherever the word studs appears, U-bolts is also implied. U-bolts covered by this document are those used primarily in the suspension and related areas of vehicles. (Designers

6、 should recognize that the U configuration may not sustain a load equivalent to two bolts or studs of the same size and grade; thus actual load-carrying capacity of U-bolts should be determined by saddle load tests.) 為了規(guī)范，本標(biāo)準(zhǔn)將 U 型螺栓是為螺柱。因此，本文中涉及到的螺柱要求， U 型螺栓同 樣適用。本文所提及的 U 型螺栓是使用于車(chē)輛懸掛位置或相關(guān)位置的產(chǎn)品。 (設(shè)計(jì)者

7、應(yīng)了解 到同樣尺寸、等級(jí)的 U 型螺栓與兩個(gè)螺栓或螺柱的載荷是不相等的，因此， U 型螺栓的實(shí) 際承載應(yīng)以鞍型荷重測(cè)試方法來(lái)判定。2 References 參考資料2.1 Applicable Publications The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply.適用版本-下列出版物作為本標(biāo)準(zhǔn)的一部分。

8、除非另有規(guī)定，應(yīng)采用SAE最新版本標(biāo)準(zhǔn)。2.1.1 SAE PUBLICATIONS Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.SAE 美國(guó)汽車(chē)工程協(xié)會(huì)出版物SAE J121MDecarburization in Hardened and Tempered Metric Threaded Fasteners公制螺紋緊固件淬硬和回火的脫碳要求SAE J123 Surface Discontinuities on Bolts, Screws, and Studs in Fatigue Applicat

9、ions用于疲勞載荷的螺栓、螺釘及螺柱的表面不連續(xù)性SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners外螺紋緊固件的機(jī)械性能及材料要求SAE J1061 Surface Discontinuities on General Application Bolts, Screws, and Studs通用螺栓、螺釘及螺柱的表面不連續(xù)性2.1.2 ASTM PUBLICATIONS Available from ASTM, 100 Barr Harbor Drive, WestCon shoho

10、cke n, PA 19428-2959.ASTM美國(guó)材料與試驗(yàn)協(xié)會(huì)出版物ASTM A 307 Specification for Carbon Steel Bolts and Studs, 60 000 psi Tensile抗拉強(qiáng)度60kpsi碳鋼螺栓、螺柱的相關(guān)規(guī)范要求ASTM A 354 Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners淬火和回火合金鋼螺栓、螺柱和其他外螺紋緊固件的標(biāo)準(zhǔn)規(guī)范ASTM A 449 Specific

11、ation for Quenched and Tempered Steel Bolts and Studs淬火和回火鋼制螺栓及螺柱的標(biāo)準(zhǔn)規(guī)范ASTM F 606M Standard Test Methods for Determining the Mechanical Properties of Externally andInternally Threaded Fasteners, Washers, and Rivets測(cè)定外螺紋及內(nèi)螺紋緊固件、墊圈及鉚釘?shù)臋C(jī)械特性的試驗(yàn)方法(米制)2.1.3 ASME PUBLICATION Available from ASME, 345 East 47

12、 Street, New York, NY 10017-2330.ASME美國(guó)機(jī)械工程師協(xié)會(huì)出版物ASME B18.2.13. Designations 標(biāo)示3.1 Property classes are desig nated by nu mbers where in creas ing nu mbers gen erally represe ntin creas ing ten sile stre ngths. The desig nati on symbol con sists of two parts:性能等級(jí)由數(shù)字標(biāo)示，數(shù)字越大通常代表抗拉強(qiáng)度越大。標(biāo)示符號(hào)由兩部分組成：a. Th

13、e first numeral of a two-digit symbol or the first two numerals of a three-digit symbol approximates 1/100 of the minimum ten sile stre ngth in MPa.二個(gè)數(shù)字符號(hào)的第一個(gè)數(shù)或三個(gè)數(shù)字符號(hào)的前兩位數(shù)接近最小抗拉強(qiáng)度(MPa)的1/100。b. The last nu meral approximates 1/10 of the ratio expressed as a perce ntage betwee n minimum yield stress

14、and minimum ten sile stress.最后一個(gè)數(shù)字約1/10的比率表示為最小屈服強(qiáng)度與最小抗拉強(qiáng)度指間的百分比。3.2 For specificatio n purposes (on engin eeri ng draw in gs, purchase orders, etc.) all property class desig nati ons are used in comb in ati on with a sin gle basic specificati on nu mber as follows:為了規(guī)范(在工程圖、采購(gòu)訂單等文件中)，所有性能等級(jí)標(biāo)示使用由單個(gè)基

15、本規(guī)范的數(shù) 字組合，如下所示：SAE J1199 (4.6)SAE J1199 (4.8)SAE J1199 (5.8)SAE J1199 (8.8)SAE J1199 (9.8)SAE J1199 (10.9)3.3 Property Classes 性能等級(jí)3.3.1 Machine screws are normally available only in classes 4.8 and 9.8; other bolts, screws, and studs are available in all classes within the specified product size li

16、mitations given in Tables 1A and 1B.機(jī)械螺釘通常僅適用于4.8級(jí)和9.8級(jí)；其他螺栓、螺釘和螺柱適用于表1A和表1B所規(guī)定所有等級(jí)。3.3.2 Screw and washer assemblies (sems) are covered by classes 4.8 and 9.8 and allowable deviations from normal 9.8 requirements are stated in footnotes throughout the document.螺釘和墊片組件涵蓋在 4.8級(jí)和 9.8級(jí)中，偏離正常 9.8級(jí)的允差要求在

17、整篇文檔有腳注。3.3.3 At the option of the manufacturer, class 5.8 may be supplied with either class 4.6 or 4.8 is ordered, and class 4.8 may be supplied when class 4.6 is ordered.供應(yīng)商可自行選擇： 4.6級(jí)或 4.8級(jí)訂單產(chǎn)品可按 5.8級(jí)提供； 4.6級(jí)訂單產(chǎn)品可按 4.8級(jí) 提供。3.4 Conversion Guidance 轉(zhuǎn)換指導(dǎo)3.4.1 For guidance purposes only, to assist de

18、signers in selecting a property class: 僅為引導(dǎo)目的，以協(xié)助設(shè)計(jì)者選著性能等級(jí)：a. Class 4.6 is approximately equivalent to SAE J429, Grade 1 and ASTM A 307, Grade A. 4.6級(jí)性能強(qiáng)度近似于 SAE J429 等級(jí) 1 和 ASTM A307 等級(jí) A 的性能強(qiáng)度 。b. Class 5.8 is approximately equivalent to SAE J429, Grade 2. 5.8級(jí)性能強(qiáng)度近似于 SAE J429 2 級(jí)的性能強(qiáng)度。c. Class 8.

19、8 is approximately equivalent to SAE J429, Grade 5, and ASTM A 449. 8.8級(jí)性能強(qiáng)度近似于 SAE J429 5 級(jí)和 ASTM A 499 的性能強(qiáng)度。d. Class 9.8 has properties approximately 9% stronger than SAE J429, Grade 5, and ASTM A 449.9.8級(jí)機(jī)械性能強(qiáng)度比 SAE J429 5 級(jí)和 ASTM A 499 的強(qiáng)度高約 9%。e. Class 10.9 is approximately equivalent to SAE J

20、429, Grade 8, and ASTM A 354, Grade BD. 10.9 級(jí)性能近似于 SAE J429 8 級(jí)和 ASTM A 354 BD 級(jí)的性能強(qiáng)度。表1A 螺栓、螺釘和螺柱的機(jī)械性能要求性能等級(jí)公稱(chēng)直徑全尺寸產(chǎn)品保 證載荷（1）Mps（）全尺寸產(chǎn)品 最小抗拉強(qiáng)度 Mpa1）加工試樣產(chǎn) 品（尺寸大于 M24）最小屈 服強(qiáng)度Mpa加工試樣產(chǎn) 品（尺寸 M24）最小抗 拉強(qiáng)度 Mpa2）加工試樣產(chǎn) 品（尺寸M24最小伸長(zhǎng)率%加工試樣產(chǎn) 品（尺寸M24最小端面收縮率%4.6M5 至U M3622540024040022354.8M1.6 到 M16310420-5.8M5到M

21、24380520-8.8M17 到 M3660083066083012359.8M1.6 到 M16 5650900-10.9M6 至U M36830104094010409351. 全尺寸產(chǎn)品每一性能等級(jí)的保證載何及抗拉強(qiáng)度值見(jiàn)表5。2. 屈服強(qiáng)度是應(yīng)力發(fā)生在0.2%的永久變形的量具長(zhǎng)度計(jì)算所得的應(yīng)力。3. 屈服點(diǎn)適用于替代屈服強(qiáng)度在0.2%偏移量的4.6級(jí)產(chǎn)品。4. 5.8級(jí)適用于產(chǎn)品長(zhǎng)度w 150mm的螺栓及螺釘，以及所有長(zhǎng)度的螺柱。5. 對(duì)于9.8級(jí)的螺釘與墊片組件產(chǎn)品，基材硬度可在25-40HRC（270-390HV）之間，表面硬度不能超過(guò)60HR30N.此要求冋樣適用于和組件一樣加

22、工的無(wú)墊片，尺寸在M1.6到M12的產(chǎn)品。表1B螺栓、螺釘和螺柱的機(jī)械性能要求性能等級(jí)公稱(chēng)直徑最大表面洛氏硬度30N產(chǎn)品洛氏硬 度最?。?）產(chǎn)品洛氏硬度最大產(chǎn)品維氏硬度最小（1）產(chǎn)品維氏硬度最大4.6M5 至U M36-B67B871201804.8M1.6 到 M16-B71B871301805.8M5到M24-B82B951602208.8M17 到 M36(3)C23C342543369.8M1.6 到 M16 (3)C27C3627935410.9M6 至U M36(3)C33C393273821. 如果最小抗拉強(qiáng)度滿(mǎn)足要求，最小硬度值不予要求。2. 5.8級(jí)適用于產(chǎn)品長(zhǎng)度w 150m

23、m的螺栓及螺釘，以及所有長(zhǎng)度的螺柱。3. 表面硬度不得超過(guò)多于兩點(diǎn)測(cè)得的基材硬度（洛氏C相當(dāng)），10.9級(jí)情況下也不得超過(guò) 59 HR30N.4. 對(duì)于9.8級(jí)的螺釘與墊片組件產(chǎn)品，基材硬度可在25-40HRC （270-390HV）之間，表面硬度不能超過(guò)60HR30N.此要求冋樣適用于和組件一樣加工的無(wú)墊片，尺寸在M1.6到M12的產(chǎn)品。342 Note that class 8.8 is applicable to sizes above 16 mm, and class 9.8 is applicable to sizes 16 mm and smaller.8.8級(jí)適用于尺寸大于 16

24、mm的產(chǎn)品，9.8適用于尺寸w 16mm的產(chǎn)品。4 Materials and Processes材 料及流程4.1 Steel Characteristics Bolts, screws, and studs shall be made of steel conforming to thedescription and chemical composition requirements specified in Table 2 for the applicable property class.鋼材特性-螺栓、螺釘和螺柱材料應(yīng)符合表2中各相應(yīng)等級(jí)的相關(guān)說(shuō)明及化學(xué)成分要求。性能等級(jí)說(shuō)明與化學(xué)成

25、分4.6 和 4.8供應(yīng)商自選-低、中碳鋼（所有尺寸），成分要求：C: 0.55、PW 0.048, SW0.0585.8供應(yīng)商自選-低、中碳鋼（所有尺寸），成分要求：C:0.13-0.55、P:0.048, S: 0.058;僅對(duì)螺柱:S: 0.338.8供應(yīng)商自選-中碳鋼（所有尺寸），成分要求：C:0.28-0.55、P: 0.048, S: 0.058,僅對(duì)螺柱：S: 0.13;中碳合金鋼（尺寸M24 ），成分要求：C:0.28-0.55、P: 0.040，S: 0.045;客戶(hù)指定材料-低碳馬氏體鋼（尺寸M20 ）,成分要求：C:0.15-0.27, Mn:0.74-1.46, P:

26、0.038, S: 0.048, B:0.0005-0.003 ；中碳硼鋼（尺寸 0.74 P: 0.048, S: 0.058, B:0.0005-0.003（1）;9.8供應(yīng)商自選-中碳鋼（所有尺寸），成分要求：C:0.28-0.55, P: 0.048, S: 0.058;僅對(duì)螺柱：S: 0.13;對(duì)螺釘與墊片組件產(chǎn)品以及和組件一樣加工的無(wú)墊片產(chǎn)品，尺寸M12，碳含量可0.15-0.40，見(jiàn)表6注2;客戶(hù)指定材料-低碳馬氏體鋼（尺寸 M20 ）,成分要求：C:0.15-0.27, Mn:0.74-1.46, P: 0.038, S: 0.048, B:0.0005-0.003 ；中碳硼鋼

27、（尺寸 0.74 P: 0.048, S: 0.058, B:0.0005-0.003 ；10.9供應(yīng)商自選-中碳合金鋼（所有尺寸），成分要求：C:0.28-0.55, P: 0.040, S: 0.045,細(xì)晶粒；淬硬性47HRC（2）SAE 1541 或 SAE 1541 H （尺寸 M12）,細(xì)晶粒；客戶(hù)指定材料-碳鋼（尺寸 M20 ），細(xì)晶粒；低碳馬氏體鋼（尺寸M20 ），成分要求：C:0.15-0.27, Mn:0.74-1.46, P: 0.038, S: 0.048, B:0.0005-0.003（1）,淬硬性 40HRC（2）;中碳硼鋼（尺寸 0.74 P: 0.048, S:

28、0.058, B:0.0005-0.003 淬硬性40HCR。1. 由低碳馬氏體鋼和中碳硼鋼制造的產(chǎn)品須按照表6注1的要求進(jìn)行標(biāo)識(shí)識(shí)別。2. 鋼材須有淬硬性，淬硬性能產(chǎn)生最小硬度值（洛氏硬度C）,此硬度測(cè)與螺栓、螺釘或螺柱（淬火后）螺紋端一個(gè)公稱(chēng)直徑橫切面的中心位置。4.2 Heading practice 頭部成型4.2.1 Methods other than upsetting and/or extrusion are permitted only by special agreement betwee n purchaser and manu facturer.有別于一般鐓鍛成型或擠壓

29、成型以外的成型方式需經(jīng)過(guò)買(mǎi)賣(mài)雙方同意方可執(zhí)行。4.2.2 Class 4.6 may be hot or cold headed at opti on of the manu facturer.4.6級(jí)的產(chǎn)品用熱鍛或冷鍛，由制造方?jīng)Q定。4.2.3 Class 4.8, 5.8, 8.8, 9.8, and 10.9 bolts and screws in sizes up to M20 inclusive, and lengths up to 10 times the nominal product size or 150 mm, whichever is shorter, shall be

30、cold headed, except that they may be hot headed by special agreement of the purchaser. Larger sizes and longer lengths may be cold or hot headed at option of the manufacturer.4.8、5.8、8.8、9.8和10.9級(jí)螺栓、螺釘，尺寸wM20、長(zhǎng)度是小于等于產(chǎn)品公稱(chēng)尺寸10倍或w 150mm須冷鐓成型，客戶(hù)特別要求熱鍛成型的除外。大尺寸或較長(zhǎng)尺寸的產(chǎn)品則可 由制造者自行決定使用冷鍛或熱鍛成型。4.3 Threading P

31、ractice Class 4.8, 5.8, 8.8, 9.8, and 10.9 bolts and screws in sizes up to M20 inclusive, and lengths up to 150 mm inclusive, shall be roll threaded, except by special agreement. Threads of all sizes of class 4.6 bolts and screws and class 4.8, 5.8, 8.8, 9.8, and 10.9 bolts and screws in sizes over

32、M20 and/or lengths longer than 150 mm, may be rolled, cut, or ground, at option of the manufacturer. Threads of all classes and sizes of studs may be rolled, cut, or ground at option of the manufacturer.螺紋成型-4.8、5.8、8.8、9.8和10.9級(jí)螺栓、螺釘，尺寸w M20，長(zhǎng)度w 150mm, l螺紋須滾制成型，客戶(hù)特殊要求除外。 4.6級(jí)螺栓、螺釘所有尺寸的螺紋， 4.8、 5.8、

33、 8.8、 9.8 和 10.9級(jí)的螺栓、螺釘?shù)穆菁y，尺寸M20級(jí)及/或長(zhǎng)度150mm,可采用滾制、切削或磨削方 式進(jìn)行制造， 由制造商自行決定。 所有等級(jí)及所有尺寸的螺柱的螺紋可采用滾制、 切削或磨 削方式進(jìn)行制造，由制造商自行決定。4.4 Heat Treatment Practice 熱處理4.4.1 Class 4.6 bolts and screws and class 4.6, 4.8, and 5.8 studs need not be heat treated. Class 4.8 and 5.8 bolts and screws shall be stress relieve

34、d if necessary to assure the soundness of the head to shank junction. When specified by the purchaser, class 5.8 bolts and screws shall be stress relieved at a minimum stress relief temperature of 470 C. Where higher temperatures are necessary to relieve stresses in severely upset heads, mechanical

35、requirements shall be agreed upon by manufacturer and purchaser.等級(jí) 4.6的螺栓、螺釘以及等級(jí) 4.6、 4.8 和 5.8級(jí)的螺柱不需要熱處理。 4.8和 5.8級(jí)的螺栓、螺釘如必要的話(huà)須消除應(yīng)力，以保證頭桿連接處的穩(wěn)固性。如買(mǎi)方特別指定，5.8 級(jí)螺栓、螺釘應(yīng)在最小 470C溫度下消除應(yīng)力。當(dāng)需要更高的溫度來(lái)消除應(yīng)力時(shí)，機(jī)械性能要求須買(mǎi)賣(mài)雙方達(dá)成一致。4.4.2 Class 8.8 and 9.8 bolts, screws, and studs shall be heat treated, quenched in oil

36、or water-base quenchant at the option of the manufacturer, and tempered at a minimum tempering temperatureof 425 Cfor class 8.8 and 410 C for class 9.8. For class 9.8 screw and washer assemblies (sems), quenchants whose principal constituent is water shall NOT be used, and tempering temperature shal

37、l be no less than 340 C. See also 4.4.5.8.8和 9.8級(jí)螺栓、螺釘及螺柱應(yīng)進(jìn)行熱處理，油淬或水淬供應(yīng)商自行決定，8.8級(jí)最小回火溫度425C、9.8級(jí)最小回火溫度410C。對(duì)于9.8級(jí)螺釘與墊片組件不得使用主要成分為 水的淬火介質(zhì)，回火溫度不得低于340 C。亦可見(jiàn)4.4.5。4.4.3 Medium carbon alloy steel class 10.9 bolts, screws, and studs shall be heat treated, oil quenched, and tempered at a minimum tempering

38、 temperature of 425 C. Low-carbon martensite steel class 10.9 bolts, screws, and studs shall be heat treated, quenched in oil or water-base quenchant at the option of the manufacturer, and tempered at a minimum tempering temperatureof 340 C. See also 4.4.5.10.9級(jí)中碳合金鋼螺栓、螺釘應(yīng)進(jìn)行熱處理，淬火介質(zhì)油，最小回火溫度425C。10.9

39、級(jí)低碳馬氏體鋼螺栓、 螺釘和螺柱應(yīng)進(jìn)行熱處理， 油淬或水淬制造商自行決定， 回火溫度不得低于340 C。亦可見(jiàn)445。4.4.4 Under no circumstances should heat treatment or carbon restoration be accomplished in the presence of nitrogen compounds, such as carbonitriding or cyaniding.在任何情況下的熱處理或碳恢復(fù)須在氮化合物存在下完成，如碳氮共滲或 氰化處理。4.4.5 Tempering Temperature Audit Test

40、(for checking whether products have been tempered at specified temperature). Conduct hardness test (ASTM F 606M) on one or more bolts, screws, or studs; retemper the product(s) at a temperature 10 C less than the specified minimum tempering temperature for 30 min; repeat product hardness test. The d

41、ifference between the mean hardnesses (before and after retempering) shall be no greater than 2 points Rockwell C (approximately 20 Vicker points).回火溫度監(jiān)視測(cè)試 (檢查產(chǎn)品是否按技術(shù)規(guī)定的溫度進(jìn)行回火) 。在一個(gè)或多個(gè)螺栓、螺 釘或螺柱上進(jìn)行硬度測(cè)試(依據(jù)標(biāo)準(zhǔn) ASTM F 606M )；重回火產(chǎn)品回火溫度低于最小規(guī)范 溫度10C ;然后對(duì)回火產(chǎn)品進(jìn)行硬度測(cè)試。平均硬度之間的差異(重回火前后的硬度)不 得超過(guò)兩個(gè) HRC 硬度點(diǎn)(大約 20 個(gè)維

42、氏硬度點(diǎn))。5 Mechanical and Physical Properties 力學(xué)與物理性能5.1 Mechanical Bolts, screws, and studs shall be tested in accordance with the mechanical testing requirements for the applicable type, property class, size, and length of product as specified in Tables 3A and 3B, and shall meet the mechanical requir

43、ements specified for that product in Tables 1A and 1B.力學(xué)性能 - 螺栓、螺釘和螺柱應(yīng)按表 3A 和 3B 規(guī)定的機(jī)械性能測(cè)試要求對(duì)相應(yīng)類(lèi)型、等級(jí)、公稱(chēng)尺寸和長(zhǎng)度進(jìn)行測(cè)試，并滿(mǎn)足表1A和1B規(guī)定的產(chǎn)品機(jī)械性能要求。5.2 Decarburization Unless otherwise specified, class 8.8 and 9.8 products shall conform to decarburization class 1/2H and Class 10.9 products shall conform to decarb

44、urization class 2/3H as specified in SAE J121M.脫碳- 除非另有規(guī)定， 8.8和 9.8級(jí)產(chǎn)品脫碳等級(jí)應(yīng)符合 SAE J121M 規(guī)定的 1/2H 級(jí)， 10.9 級(jí)產(chǎn)品脫碳等級(jí)應(yīng)符合 2/3H 級(jí)要求。5.3 Surface Discontinuities 表面不連續(xù)性5.3.1 Bolts, screws, and studs of classes 8.8, 9.8, and 10.9 in sizes up to M24 inclusive, and lengths up to 150 mm inclusive, shall not have

45、 surface discontinuities exceeding the limits specified in SAE J1061.8.8、9.8、和10.9級(jí)的螺栓、螺釘和螺柱，尺寸wM24，長(zhǎng)度w 150mm ,表面不連續(xù)性不得超過(guò) SAE J1061 規(guī)定的限制。Surface discontinuities for sizes and lengths of products not covered in the scope of SAE J1061 shall be within limits specified by purchaser.對(duì)于沒(méi)有含括在 SAE J1061 中的

46、尺寸和長(zhǎng)度的產(chǎn)品的表面不連續(xù)性限制應(yīng)滿(mǎn)足買(mǎi)方指定 的要求。5.3.2 When the engin eeri ng requireme nts of the applicati on n ecessitate that surface disc on ti nuities must be more closely con trolled, the purchaser shall specify the applicable limits in the origi nal inquiry and purchase order. For certain fasteners, this may be

47、 done by reference to SAE J123.當(dāng)適用需要工程要求表面不連續(xù)性控制加嚴(yán)時(shí)，買(mǎi)方需在最初詢(xún)盤(pán)和采購(gòu)訂單中規(guī)定適用限制。對(duì)某些緊固件，SAE J 123可作參考。6 Methods of Test 測(cè)試方法6.1 General Procedures for con duct ing the tests to determ ine the mecha nical properties as specified in Tables 3A and 3B for the applicable product, property class, size, and len gt

48、h are give n in ASTM F 606M. Tables 3A and 3B specifies the applicable test method to be followed when determ ining each mecha ni cal property.通用方法-依據(jù)ASTM F 606M 規(guī)程進(jìn)行測(cè)試以確定相應(yīng)產(chǎn)品、等級(jí)、尺寸和長(zhǎng)度是否符合表3A和3B中規(guī)定的性能等級(jí)。表3A和3B規(guī)定了適用的測(cè)試方法以確定每一機(jī)械性能。表3A-螺栓、螺釘和螺柱機(jī)械性能測(cè)試要求產(chǎn)品性能 等級(jí)規(guī)定的最小 產(chǎn)品抗拉強(qiáng)度kN產(chǎn)品長(zhǎng)度（1）產(chǎn)品硬度最大（2）產(chǎn)品硬度 最小（2）表面硬（

49、 2）（ 3）全尺寸產(chǎn) 品保證載 荷測(cè)試全尺寸產(chǎn)品楔 形抗拉強(qiáng)度測(cè) 試（2）（ 4）全尺寸產(chǎn)品 軸向抗拉強(qiáng) 度測(cè)試（2）短螺栓螺釘所有所有小于2-1/4D-特殊頭部螺栓螺釘（5）所有所有所有-六角頭螺栓螺釘（6）（ 7所有450及以下2-1/4D 至 8D 或200mm,視何者較長(zhǎng)而定-。-所有450及以下超過(guò)8D或200mm,視何者較長(zhǎng)，到300mm（含）-。-所有450及以下超過(guò)300mm-A-所有大于4502-1/4D及以上-。A-其他螺栓螺釘所有450及以下2-1/4D 至 8D或200mm,視何者較長(zhǎng)-。-所有450及以下超過(guò)8D或200mm,視何者較長(zhǎng)-。-A所有大于4502-1/

50、4D及以上-。-A短螺柱所有所有小于2-1/4D-其它螺柱所有450及以下2-1/4D 至 8D或200mm,視何者較長(zhǎng)-。-其它螺柱所有450及以下超過(guò)8D或200mm,視何者較長(zhǎng)-。A-所有大于4502-1/4D及以上-。A-測(cè)試依據(jù)ASTM F606M章節(jié)3.13.13.13.23.53.41、 D等于產(chǎn)品公稱(chēng)尺寸。為表3的要求：“產(chǎn)品長(zhǎng)度”為一般長(zhǎng)度包含尾端倒角如ASME B18.2.1所定義，其他特殊尾端產(chǎn)品必須從承面到完整牙型的端部。2、 “ .”是強(qiáng)制試驗(yàn)標(biāo)識(shí)。每一產(chǎn)品所有強(qiáng)制試驗(yàn)項(xiàng)目都必須進(jìn)行。另外所有測(cè)試選項(xiàng)的指示，A標(biāo)識(shí)測(cè)試（全尺寸產(chǎn)品）和B標(biāo)識(shí)測(cè)試（加工試驗(yàn)件）都要進(jìn)行測(cè)

51、試；B測(cè)試項(xiàng)不適用于尺寸W M24。“?！表?xiàng)當(dāng)最初詢(xún)盤(pán)和訂單有規(guī)定時(shí)，須進(jìn)行測(cè)試。有爭(zhēng)議時(shí)， “A”和“?！表?xiàng)都要進(jìn)行測(cè)試。破折號(hào)（-）代表不需要進(jìn)行測(cè)試。3、 表面硬度及脫碳要求僅適用于8.8、9.8、10.9級(jí)產(chǎn)品。4、 抗拉強(qiáng)度楔形角度見(jiàn)表4.5、異形螺栓、螺釘是指特殊結(jié)構(gòu)或者頭部有鉆孔的產(chǎn)品，其頭部強(qiáng)度比螺紋段脆弱。6、包括法蘭、墊片及其他六角頭造形的產(chǎn)品，其強(qiáng)度不比螺紋段弱。7、 包括9.8級(jí)組件以及像組件一樣加工的9.8級(jí)無(wú)墊片產(chǎn)品（尺寸 1.6W M W 12）。為了確定拉伸試驗(yàn)的適用性，組 件長(zhǎng)度測(cè)量從不平墊片的支撐面的底面到螺釘全螺紋螺桿末端。表3B-螺栓、螺釘和螺柱機(jī)械性能

52、測(cè)試要求產(chǎn)品性能等級(jí)規(guī)定的最小 產(chǎn)品抗拉強(qiáng)度kN產(chǎn)品長(zhǎng)度（1）加工試樣件 屈服強(qiáng)度測(cè) 試（2）加工試樣件 抗拉強(qiáng)度測(cè)試（2）加工試樣件伸長(zhǎng)率（2）加工試樣件 端面收縮率（2）螺紋段脫碳（2X3）短螺栓螺釘所有所有小于2-1/4D-。特殊頭部螺栓螺釘（4）所有所有所有-。六角頭螺栓 螺釘（5）6）所有450及以下2-1/4D 至 8D 或200mm,視何者較長(zhǎng)為準(zhǔn)-。所有450及以下超過(guò)8D或200mm,視何者較長(zhǎng)為準(zhǔn)，到 300mm（含）-。所有450及以下超過(guò)300mmBBBB。所有大于4502-1/4D及以上BBBB。其他螺栓螺釘所有450及以下2-1/4D 至 8D 或200mm,視何者

53、較長(zhǎng)為準(zhǔn)-。所有450及以下超過(guò)8D或200mm,視何者較長(zhǎng)為準(zhǔn)BBBB。所有大于4502-1/4D及以上BBBB。短螺柱所有所有小于2-1/4D-。其它螺柱所有450及以下2-1/4D 至 8D或200mm,視何者較長(zhǎng)-。所有450及以下超過(guò)8D或200mm,視何者較長(zhǎng)為準(zhǔn)BBBB。所有大于4502-1/4D及以上BBBB。測(cè)試依據(jù)章 節(jié)ASTM F 606M3.6ASTM F 606M3.6ASTM F606M3.6ASTM F 606M3.6SAE J121M1、 D等于產(chǎn)品公稱(chēng)尺寸。為表3的要求：“產(chǎn)品長(zhǎng)度”為一般長(zhǎng)度包含尾端倒角如ASME B18.2.1所定義，其他特殊尾端產(chǎn)品必須從承面到完整牙型的端部。2、 “ .”是強(qiáng)制試驗(yàn)標(biāo)識(shí)。每一產(chǎn)品所有強(qiáng)制試驗(yàn)項(xiàng)目都