saej1199公制外螺纹钢制紧固件机械性能与材料要求中文版

saej1199公制外螺纹钢制紧固件机械性能与材料要求中文版 Mechanical and Material Requirements for Metric Externally Threaded Steel Fasteners 公制外螺纹钢制紧固件机械性能与材料要求 1. Scope 范围 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 suitable for use in automotive and related applications. 本SAE 标准涵盖汽车及相关工业使用，尺寸在M1.6到M36钢铁外螺纹紧固件的八个性能 等级的机械性能与材料要求。 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. 产品包括:螺栓、螺钉、螺柱、U型螺栓、预装配的螺钉和垫片组件以及与预装配组件一 样加工的无垫圈产品。 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. 产品不包括自攻螺钉、自挤螺钉、钻尾螺钉。这些产品的机械性能与材料要求包含在SAE 另外的标准中。 1.4 The term stud as referred 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. 螺柱这里是指适用于中等长度圆柱杆，螺纹在一端有或两端都有，或全螺纹的产品。它并 不适用于有头的、带定位的或类似于本文中所要求的螺栓特性近似的产品。 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 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.) 为了规范，本标准将U型螺栓是为螺柱。因此，本文中涉及到的螺柱要求，U型螺栓同 样适用。本文所提及的U型螺栓是使用于车辆悬挂位置或相关位置的产品。(设计者应了解 到同样尺寸、等级的U型螺栓与两个螺栓或螺柱的载荷是不相等的，因此，U 型螺栓的实 际承载应以鞍型荷重测试方法来判定。 2 References 参考资料 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. 适用版本- 下列出版物作为本标准的一部分。除非另有规定，应采用SAE最新版本标准。 2.1.1 SAE PUBLICATIONS — Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE 美国汽车工程协会出版物 SAE J121M—Decarburization in Hardened and Tempered Metric Threaded Fasteners 公制螺纹紧固件淬硬和回火的脱碳要求 SAE J123—Surface Discontinuities on Bolts, Screws, and Studs in Fatigue Applications 用于疲劳载荷的螺栓、螺钉及螺柱的表面不连续性 SAE J429—Mechanical and Material Requirements for Externally Threaded Fasteners 外螺纹紧固件的机械性能及材料要求 SAE J1061—Surface Discontinuities on General Application Bolts, Screws, and Studs 通用螺栓、螺钉及螺柱的表面不连续性 2.1.2 ASTM PUBLICATIONS — Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. ASTM 美国材料与试验协会出版物 ASTM A 307—Specification for Carbon Steel Bolts and Studs, 60 000 psi Tensile 抗拉强度 60kpsi碳钢螺栓、螺柱的相关规范要求 ASTM A 354—Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners 淬火和回火合金钢螺栓、螺柱和其他外螺纹紧固件的标准规范 ASTM A 449—Specification for Quenched and Tempered Steel Bolts and Studs 淬火和回火钢制螺栓及螺柱的标准规范 ASTM F 606M—Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets 测定外螺纹及内螺纹紧固件、垫圈及铆钉的机械特性的试验方法(米制) 2.1.3 ASME PUBLICATION — Available from ASME, 345 East 47 Street, New York, NY 10017-2330. ASME 美国机械工程师协会出版物 ASME B18.2.1 3. Designations 标示 3.1 Property classes are designated by numbers where increasing numbers generally represent increasing tensile strengths. The designation symbol consists of two parts: 性能等级由数字标示，数字越大通常代表抗拉强度越大。标示符号由两部分组成: a. The first numeral of a two-digit symbol or the first two numerals of a three-digit symbol approximates 1/100 of the minimum tensile strength in MPa. 二个数字符号的第一个数或三个数字符号的前两位数接近最小抗拉强度(MPa)的1/100。 b. The last numeral approximates 1/10 of the ratio expressed as a percentage between minimum yield stress and minimum tensile stress. 最后一个数字约1/10的比率表示为最小屈服强度与最小抗拉强度指间的百分比。 3.2 For specification purposes (on engineering drawings, purchase orders, etc.) all property class designations are used in combination with a single basic specification number as follows: 为了规范(在工程图、采购订单等文件中)，所有性能等级标示使用由单个基本规范的数 字组合，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 性能等级 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 limitations given in Tables 1A and 1B. 机械螺钉通常仅适用于4.8级和9.8级;其他螺栓、螺钉和螺柱适用于表1A和表1B所规 定所有等级。 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. 螺钉和垫片组件涵盖在4.8级和9.8级中，偏离正常9.8级的允差要求在整篇文档有脚注。 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. 供应商可自行选择:4.6级或4.8级订单产品可按5.8级提供;4.6级订单产品可按4.8级 提供。 3.4 Conversion Guidance 转换指导 3.4.1 For guidance purposes only, to assist designers in selecting a property class: 仅为引导目的，以协助设计者选着性能等级: a. Class 4.6 is approximately equivalent to SAE J429, Grade 1 and ASTM A 307, Grade A. 4.6级性能强度近似于SAE J429 等级1和ASTM A307 等级A的性能强度 。 b. Class 5.8 is approximately equivalent to SAE J429, Grade 2. 5.8级性能强度近似于SAE J429 2级的性能强度。 c. Class 8.8 is approximately equivalent to SAE J429, Grade 5, and ASTM A 449. 8.8级性能强度近似于SAE J429 5级和ASTM A 499的性能强度。 d. Class 9.8 has properties approximately 9% stronger than SAE J429, Grade 5, and ASTM A 449. 9.8级机械性能强度比SAE J429 5级和ASTM A 499 的强度高约9%。 e. Class 10.9 is approximately equivalent to SAE J429, Grade 8, and ASTM A 354, Grade BD. 10.9级性能近似于SAE J429 8级和ASTM A 354 BD级的性能强度。 表 1A—螺栓、螺钉和螺柱的机械性能要求 全尺寸全尺寸产品加工试样产加工试样产加工试样产加工试样产 产品保最小抗拉强品(尺寸大于品(尺寸,品(尺寸,品(尺寸, (1) 性能证载荷度MpaM24)最小屈M24)最小抗M24)最小伸M24)最小端 (1) (2) 等级 公称直径 Mpa服强度Mpa 拉强度Mpa长率% 面收缩率% (3) M5到M36 4.6 225 400 240400 22 35 M1.6到M16 4.8 310 420 - - - - (4) M5到M245.8 380 520 - - - - M17到M36 8.8 600 830 660 830 12 35 ()5 M1.6到M169.8 650 900 - - - - M6到M36 10.9 830 1040 940 1040 9 35 1. 全尺寸产品每一性能等级的保证载荷及抗拉强度值见表5。 2. 屈服强度是应力发生在 0.2%的永久变形的量具长度计算所得的应力。 3. 屈服点适用于替代屈服强度在0.2%偏移量的4.6级产品。 4. 5.8级适用于产品长度?150mm的螺栓及螺钉，以及所有长度的螺柱。 5. 对于9.8级的螺钉与垫片组件产品，基材硬度可在25-40HRC(270-390HV)之间，表面硬度不能超过60 HR30N. 此要求同样适用于和组件一样加工的无垫片，尺寸在M1.6到M12的产品。 表 1B—螺栓、螺钉和螺柱的机械性能要求 性能最大表面洛氏产品洛氏硬产品洛氏硬度产品维氏硬度最产品维氏硬度 (1) (1) 等级 公称直径 硬度30N度最小最大 小最大 M5到M36 4.6 - B67 B87120 180 M1.6到M16 4.8 - B71 B87 130 180 (2) M5到M245.8 - B82 B95 160 220 (3) M17到M36 8.8 C23 C34 254 336 ()4 (3) M1.6到M169.8 C27 C36 279 354 (3) M6到M36 10.9 C33 C39 327 382 1. 如果最小抗拉强度满足要求，最小硬度值不予要求。 2. 5.8级适用于产品长度?150mm的螺栓及螺钉，以及所有长度的螺柱。 3. 表面硬度不得超过多于两点测得的基材硬度(洛氏C相当)，10.9级情况下也不得超过59 HR30N. 4. 对于9.8级的螺钉与垫片组件产品，基材硬度可在25-40HRC (270-390HV)之间，表面硬度不能超过60 HR30N. 此要求同样适用于和组件一样加工的无垫片，尺寸在M1.6到M12的产品。 3.4.2 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级适用于尺寸大于16mm的产品，9.8适用于尺寸?16mm的产品。 4 Materials and Processes 材料及流程 4.1 Steel Characteristics—Bolts, screws, and studs shall be made of steel conforming to the description and chemical composition requirements specified in Table 2 for the applicable property class. 钢材特性- 螺栓、螺钉和螺柱材料应符合表2中各相应等级的相关说明及化学成分要求。 性能等级 说明与化学成分 4.6和4.8 供应商自选-低、中碳钢(所有尺寸)，成分要求:C:?0.55、P:?0.048，S:?0.058 供应商自选-低、中碳钢(所有尺寸)，成分要求:C:0.13-0.55、P:?0.048，S:?0.058; 5.8 仅对螺柱: S:?0.33 供应商自选- 中碳钢(所有尺寸)，成分要求:C:0.28-0.55、P:?0.048，S:?0.058，仅对螺柱: S:?0.13; 中碳合金钢(尺寸,M24)，成分要求:C:0.28-0.55、P:?0.040，S:?0.045; 8.8 客户指定材料- (1)低碳马氏体钢(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)中碳硼钢(尺寸?M24), 成分要求:C:0.25-0.40, Mn:?0.74 P:?0.048, S:?0.058, B:0.0005-0.003; 供应商自选- 中碳钢(所有尺寸)，成分要求:C:0.28-0.55, P:?0.048, S:?0.058; 仅对螺柱: S:?0.13; 9.8 对螺钉与垫片组件产品以及和组件一样加工的无垫片产品，尺寸?M12，碳含量可0.15-0.40，见表6 注2; 客户指定材料- (1)低碳马氏体钢(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)中碳硼钢(尺寸?M24), 成分要求:C:0.25-0.40, Mn:?0.74 P:?0.048, S:?0.058, B:0.0005-0.003; 供应商自选- 中碳合金钢(所有尺寸)，成分要求:C:0.28-0.55, P:?0.040, S:?0.045, 细晶粒; (2) 淬硬性?47HRC SAE 1541 或 SAE 1541 H (尺寸?M12), 细晶粒; 客户指定材料- 10.9 碳钢(尺寸?M20),细晶粒; (1)低碳马氏体钢(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, 淬硬 (2)性?40HRC; (1)中碳硼钢(尺寸?M24), 成分要求:C:0.25-0.40, Mn:?0.74 P:?0.048, S:?0.058, B:0.0005-0.003, 淬硬性? (2)40HCR。 1. 由低碳马氏体钢和中碳硼钢制造的产品须按照表6注1的要求进行 标识 采样口标识规范化 下载危险废物标识 下载医疗器械外包装标识图下载科目一标识图大全免费下载产品包装标识下载 识别。 2. 钢材须有淬硬性，淬硬性能产生最小硬度值(洛氏硬度C),此硬度测与螺栓、螺钉或螺柱(淬火后)螺纹端一个公称直径横切面的中心位置。 4.2 Heading practice 头部成型 4.2.1 Methods other than upsetting and/or extrusion are permitted only by special agreement between purchaser and manufacturer. 有别于一般镦锻成型或挤压成型以外的成型方式需经过买卖双方同意方可执行。 4.2.2 Class 4.6 may be hot or cold headed at option of the manufacturer. 4.6级的产品用热锻或冷锻，由制造方决定。 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 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级螺栓、螺钉，尺寸?M20、长度是小于等于产品公称尺寸10 倍或?150mm须冷镦成型，客户特别要求热锻成型的除外。大尺寸或较长尺寸的产品则可 由制造者自行决定使用冷锻或热锻成型。 4.3 Threading Practice — 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 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. 螺纹成型 – 4.8、5.8、8.8、9.8和10.9级螺栓、螺钉，尺寸?M20，长度?150mm, l螺纹 须滚制成型，客户特殊要求除外。4.6级螺栓、螺钉所有尺寸的螺纹，4.8、5.8、8.8、9.8和 10.9级的螺栓、螺钉的螺纹，尺寸,M20 级及/或长度,150mm,可采用滚制、切削或磨削方 式进行制造，由制造商自行决定。所有等级及所有尺寸的螺柱的螺纹可采用滚制、切削或磨 削方式进行制造，由制造商自行决定。 4.4 Heat Treatment Practice 热处理 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 relieved 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 requirements shall be agreed upon by manufacturer and purchaser. 等级4.6的螺栓、螺钉以及等级4.6、4.8和5.8级的螺柱不需要热处理。4.8和5.8级的螺 栓、螺钉如必要的话须消除应力，以保证头杆连接处的稳固性。如买方特别指定，5.8 级螺 栓、螺钉应在最小 470?温度下消除应力。当需要更高的温度来消除应力时，机械性能要求 须买卖双方达成一致。 4.4.2 Class 8.8 and 9.8 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 temperature of 425 ?C for 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 shall be no less than 340 ?C. See also 4.4.5. 8.8和9.8级螺栓、螺钉及螺柱应进行热处理，油淬或水淬供应商自行决定，8.8级最小回 火温度425?、9.8级最小回火温度410?。对于9.8级螺钉与垫片组件不得使用主要成分为 水的淬火介质，回火温度不得低于340?。亦可见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 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 temperature of 340 ?C. See also 4.4.5. 10.9级中碳合金钢螺栓、螺钉应进行热处理，淬火介质油，最小回火温度425?。10.9级 低碳马氏体钢螺栓、螺钉和螺柱应进行热处理，油淬或水淬制造商自行决定，回火温度不得 低于340?。亦可见4.4.5。 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. 在任何情况下的热处理或碳恢复须在氮化合物存在下完成，如碳氮共渗或 氰化处理。 4.4.5 Tempering Temperature Audit Test (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 difference between the mean hardnesses (before and after retempering) shall be no greater than 2 points Rockwell C (approximately 20 Vicker points). 回火温度监视测试(检查产品是否按技术规定的温度进行回火)。在一个或多个螺栓、螺 钉或螺柱上进行硬度测试(依据标准ASTM F 606M);重回火产品回火温度低于最小规范 温度10?;然后对回火产品进行硬度测试。平均硬度之间的差异(重回火前后的硬度)不 得超过两个HRC 硬度点(大约20个维氏硬度点)。 5 Mechanical and Physical Properties 力学与物理性能 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 requirements specified for that product in Tables 1A and 1B. 力学性能- 螺栓、螺钉和螺柱应按表3A和3B规定的机械性能测试要求对相应类型、等 级、公称尺寸和长度进行测试，并满足表1A和1B规定的产品机械性能要求。 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 decarburization class 2/3H as specified in SAE J121M. 脱碳- 除非另有规定，8.8和9.8级产品脱碳等级应符合SAE J121M规定的1/2H级，10.9 级产品脱碳等级应符合2/3H级要求。 5.3 Surface Discontinuities 表面不连续性 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 surface discontinuities exceeding the limits specified in SAE J1061. 8.8、9.8、和10.9级的螺栓、螺钉和螺柱，尺寸?M24，长度?150mm，表面不连续性不 得超过SAE J1061 规定的限制。 Surface discontinuities for sizes and lengths of products not covered in the scope of SAE J1061 shall be within limits specified by purchaser. 对于没有含括在SAE J1061中的尺寸和长度的产品的表面不连续性限制应满足买方指定 的要求。 5.3.2 When the engineering requirements of the application necessitate that surface discontinuities must be more closely controlled, the purchaser shall specify the applicable limits in the original inquiry and purchase order. For certain fasteners, this may be done by reference to SAE J123. 当适用需要工程要求表面不连续性控制加严时，买方需在最初询盘和采购订单中规定适用 限制。对某些紧固件，SAE J 123 可作参考。 6 Methods of Test 测试方法 6.1 General—Procedures for conducting the tests to determine the mechanical properties as specified in Tables 3A and 3B for the applicable product, property class, size, and length are given in ASTM F 606M. Tables 3A and 3B specifies the applicable test method to be followed when determining each mechanical property. 通用方法-依据ASTM F 606M 规程 煤矿测量规程下载煤矿测量规程下载配电网检修规程下载地籍调查规程pdf稳定性研究规程下载 进行测试以确定相应产品、等级、尺寸和长度是否符 合表3A和3B中规定的性能等级。表3A和3B规定了适用的测试方法以确定每一机械性能。 表3A-螺栓、螺钉和螺柱机械性能测试要求 产品硬全尺寸产全尺寸产品楔规定的最小全尺寸产品 度最大产品硬度表面硬品保证载形抗拉强度测性能产品抗拉强轴向抗拉强()()()()()()()()1 2 2 23 (2) 242产品 等级 度kN 产品长度最小度荷测试试 度测试 . . . - - - 短螺栓螺钉 所有 所有 小于2-1/4D 特殊头部螺所有 所有 所有 . . . - - - ()5 栓螺钉 2-1/4D至8D 所有 或200mm, 视450及以下 . - . 。 . - 何者较长而定 超过8D或 200mm, 视何所有 六角头螺栓450及以下 . - . 。 . - 者较长，到()()67 螺钉300mm(含) 超过所有 450及以下 . - . . A - 300mm 2-1/4D及以所有 大于450 . - . 。 A - 上 2-1/4D至8D 或200mm, 视所有 450及以下 . - . 。 - . 何者较长 其他螺栓螺超过8D或钉 所有 200mm, 视何450及以下 . - . 。 - A 者较长 所有 大于450 2-1/4D及以上 . - . 。 - A 短螺柱 所有 所有 小于2-1/4D . . . - - - 2-1/4D至8D 其它螺柱 所有 或200mm, 视450及以下 . - . 。 . - 何者较长 超过8D或 所有 200mm, 视何450及以下 . - . 。 A - 其它螺柱 者较长 2-1/4D及以所有 大于450 . - . 。 A - 上 测试依据 3.1 3.1 3.1 3.2 3.5 3.4 ASTM F 606M章节 1、 D等于产品公称尺寸。为表 3 的要求:“产品长度”为一般长度包含尾端倒角如 ASME B18.2.1 所定义， 其他特殊尾端产品必须从承面到完整牙型的端部。 2、“.”是强制试验标识。每一产品所有强制试验项目都必须进行。另外所有测试选项的指示， A标识测试(全尺寸产品)和B标识测试(加工试验件)都要进行测试;B测试项不适用于尺寸?M24。“。”项当最初询盘和订单有规定时，须进行测试。有争议时，“A”和“。”项都要进行测试。破折号(-)代表不需要进行测试。 3、表面硬度及脱碳要求仅适用于8.8、9.8、10.9级产品。 4、抗拉强度楔形角度见表4. 5、异形螺栓、螺钉是指特殊结构或者头部有钻孔的产品，其头部强度比螺纹段脆弱。 6、包括法兰、垫片及其他六角头造形的产品，其强度不比螺纹段弱。 7、包括9.8级组件以及像组件一样加工的9.8级无垫片产品(尺寸1.6?M?12)。为了确定拉伸试验的适用性，组件长度测量从不平垫片的支撑面的底面到螺钉全螺纹螺杆末端。 表3B-螺栓、螺钉和螺柱机械性能测试要求 规定的最小加工试样件加工试样件 性能产品抗拉强屈服强度测抗拉强度测加工试样件加工试样件()()()()()()()1 2 2 2 2 23产品 等级 度kN 产品长度试试伸长率端面收缩率螺纹段脱碳 - - - - 。 短螺栓螺钉 所有 所有 小于2-1/4D 特殊头部螺所有 所有 所有 - - - - 。 ()4 栓螺钉 2-1/4D至8D 或200mm, 视所有 450及以下 - - - - 。 何者较长为准 超过8D或 200mm, 视何六角头螺栓所有 450及以下 - - - - 。 者较长为准，())56 螺钉到300mm(含) 超过所有 450及以下 B B B B 。 300mm 2-1/4D及以所有 大于450 B B B B 。 上 2-1/4D至8D其他螺栓螺或200mm, 视所有 450及以下 - - - - 。 钉 何者较长为准 超过8D或 所有 200mm, 视何450及以下 B B B B 。 者较长为准 所有 大于450 2-1/4D及以上 B B B B 。 短螺柱 所有 所有 小于2-1/4D - - - - 。 2-1/4D至8D 或200mm, 视所有 450及以下 - - - - 。 何者较长 超过8D或其它螺柱 所有 200mm, 视何450及以下 B B B B 。 者较长为准 2-1/4D及以所有 大于450 B B B B 。 上 ASTM F ASTM F 606M ASTM F 606M ASTM F 606M 测试依据章606M SAE J121M 节 3.6 3.6 3.6 3.6 1、 D等于产品公称尺寸。为表 3 的要求:“产品长度”为一般长度包含尾端倒角如 ASME B18.2.1 所定义， 其他特殊尾端产品必须从承面到完整牙型的端部。 2、“.”是强制试验标识。每一产品所有强制试验项目都必须进行。另外所有测试选项的指示， A标识测试(全尺寸产品)和B标识测试(加工试验件)都要进行测试;B测试项不适用于尺寸?M24。“。”项当最初询盘和订单有规定时，须进行测试。有争议时，“A”和“。”项都要进行测试。破折号(-)代表不需要进行测试。 3、表面硬度及脱碳要求仅适用于8.8、9.8、10.9级产品。 4、特殊头部螺栓、螺钉是指特殊结构或者头部有钻孔的产品，其头部强度比螺纹段脆弱。 5、包括法兰、垫片及其他六角头造形的产品，其强度不比螺纹段弱。 6、包括9.8级组件以及像组件一样加工的9.8级无垫片产品(尺寸1.6?M?12)。为了确定拉伸试验的适用性，组件长度测量从不平垫片的支撑面的底面到螺钉全螺纹螺杆末端。 表4-抗拉测试楔形角度 产品 性能等级 公称尺寸 楔形角度 六角头、华司头机加螺钉 4.8、9.8 M10及以下 6 M20及以下 6 六角螺栓、螺钉螺纹1D并接近头部底部 8.8、9.8、10.9 M20,M?M36 4 六角法兰、司华头机加螺栓、螺钉 4.6、4.8、5.8、8.8、9.8、10.9 M36及以下 6 其他六角螺栓、螺钉 4.6、4.8、5.8、8.8、9.8、10.9 M24及以下 10 M24,M?M36 6 螺柱 所有 M20及以下 6 M20,M?M36 4 表5A-标准载荷和抗拉强度值 ()2 公称螺纹直径应力面积4.6级标准载4.6级抗拉强4.8级标准载4.8级抗拉强5.8级标准载5.8级抗拉强 2 和螺纹节距 mm荷kN 度最小kN 荷kN 度最小kN 荷kN 度最小kN M1.6x0.35 1.27 0.39 0.53 M2x0.4 2.07 0.64 0.87 M2.5x0.45 3.39 1.05 1.42 M3x0.5 5.03 1.56 2.11 M3.5x0.6 6.78 2.10 2.85 M4x0.7 8.78 2.72 3.69 M5x0.8 14.2 3.20 5.68 4.40 5.96 5.40 5.78 M6x1 20.1 4.52 8.04 6.23 8.44 7.64 10.40 M8x1.25 36.6 8.24 14.6 11.3 15.4 13.9 19.0 M10x1.5 58.0 13.1 23.2 18.0 24.4 22.0 30.2 M12x1.75 84.3 19.0 33.7 26.1 35.4 32.0 43.8 M14x2 115 25.9 46.0 35.7 48.3 43.7 59.8 M16x2 157 35.3 62.8 48.7 65.9 59.7 81.6 M20x2.5 243 55.1 98.0 93.1 127 M24x3 353 79.4 141 134 184 M30x3.5 561 126 224 M36x4 817 184 327 1、 标准载荷和抗拉强度是通过表1中的应力强度乘以螺纹应力面积来计算。 2,D是螺纹公称直径(公制)，P是螺纹节距(公制)。 2、 应力面积=0.7854(D-0.9382P) 表5B-标准载荷和抗拉强度值 ()2 公称螺纹直径应力面积8.8级标准载8.8级抗拉强9.8级标准载9.8级抗拉强10.9级标准载10.9级抗拉强 2 和螺纹节距 mm荷kN 度最小kN 荷kN 度最小kN 荷kN 度最小kN M1.6x0.35 1.27 0.83 1.14 M2x0.4 2.07 1.35 1.86 M2.5x0.45 3.39 2.20 3.05 M3x0.5 5.03 3.27 4.53 M3.5x0.6 6.78 4.41 6.10 M4x0.7 8.78 5.71 7.90 M5x0.8 14.2 9.23 12.8 11.8 14.8 M6x1 20.1 13.1 18.1 16.7 20.9 M8x1.25 36.6 23.8 32.9 30.4 38.1 M10x1.5 58.0 37.7 52.2 48.1 60.3 M12x1.75 84.3 54.8 75.9 70.0 87.7 M14x2 115 74.8 104 95.4 120 M16x2 157 102 141 130 163 M20x2.5 243 147 203 203 255 M24x3 353 212 293 293 367 M30x3.5 561 337 466 466 583 M36x4 817 490 678 678 850 1、 标准载荷和抗拉强度是通过表1中的应力强度乘以螺纹应力面积来计算。 22、 应力面积=0.7854(D-0.9382P),D是螺纹公称直径(公制)，P是螺纹节距(公制)。 7 Marking 标识 7.1 Bolts and Screws—Slotted and cross-recessed screws of all sizes and other screws and bolts of sizes smaller than M5 need not be marked. All other bolts and screws of sizes M5 and larger shall be marked permanently and clearly to identify the property class and the manufacturer. The property class symbols shall be as given in Table 6; the symbol for the manufacturer’s identification shall be at his option. Markings shall be located on the top of the head of bolts and screws, and may be either raised or depressed at option of the manufacturer. Alternatively, for hex head products, the markings may be indented on the side of the head. 螺栓和螺钉- 所有尺寸的开槽和十字槽螺钉，尺寸小于M5的其他类别螺钉、螺栓不用标 识。其他类别的螺栓、螺钉，尺寸?M5需标记永久性标识，标识包括性能等级和制造厂商 代码。性能等级符号参照表6;制造商符号按制造商己有标识。标识去标记在螺栓和螺钉的 头部顶端，标记可凸可凹，制造商自行决定。或者，六角头产品的标识可打在头部侧边。 Property class marking shall conform to Table 7. 性能等级标识须符合表7规范。 Metric bolts and screws shall not be marked with radial line symbols. 公制螺栓、螺钉不能使用辐射线进行标识。 7.2 Studs—All studs of sizes M5 and larger shall be marked permanently and clearly to identify the property class. The symbols used shall be as given in Table 6. Markings shall be located on the extreme end of the stud, and may be raised or depressed at the option of the manufacturer. For studs with an interference fit thread, the markings shall be located at the nut end. Studs of sizes smaller than M12 may be marked using the property class symbols given in Table 6. 螺柱- 尺寸?M5的所有螺柱须打上清晰可见的、永久性的标识。标识符号见表6。标识 位置螺柱末端，字体可凸可凹。对于过盈配合螺纹的螺柱，标记位于螺母装配端。尺寸小于 M12的螺柱，性能等级标记符号可采用表6。 表6-性能等级标识符号 等级 螺栓、螺钉、螺柱尺寸?M5性能等级符号 螺柱可选标识符号，M5?尺寸?M11 4.6 4.6 4.8 4.8 5.8 5.8 (1) 。 8.88.8 (1)(2) 9.89.8 + (1) 10.910.9 1、 低碳马氏体钢产品标识须在等级符号数字下加下划线。 2、 和组件一样加工的无垫片产品，材料选于表2允许的含碳钢，等级标识9.8须在数字之间加一个倒 转的T:如9^8。 表7-性能等级标识 螺栓、螺钉尺寸 mm 符号高度mm M5到M6 1.5min M8到10 2.3min M12到M14 3.2min ?M16 4.0min 8 Notes 注 8.1 Marginal Indicia — The change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions have been made to the previous issue of the report. An (R) symbol to the left of the document title indicates a complete revision of the report. 边缘标记-在左边的更改栏(1)是为方便使用者定位此版本哪些地方对旧版进行了修订。 文件标 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 左边符号(R)标识此文件进行了完整的修订。 Rationale—The change to this document is because SAE J1216 has been cancelled. The referenced document is now ASTM F 606M. Also in Table 4, the symbol Q was removed. 理论说明-此文件的变更是因为SAE J1216标准已被取消。参考文献已变更为ASTM F 606M。所以表4中，符号Q也去掉了。 Relationship of SAE Standard to ISO Standard—Not applicable. SAE 标准和ISO标准之间的关系-不适用。 Application—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 suitable for use in automotive and related applications. 适用性- SAE标准涵盖了8个性能等级钢材、尺寸M1.6到M36(含)外螺纹公制紧固件 的机械性能和材料要求，适用于汽车行业及相关行业。 Products included are bolts, screws, studs, U-bolts, preassembled screw and washer assemblies (sems), and products manufactured the same as sems except without washer. 产品包括螺栓、螺钉、螺柱、U型螺栓、预装配螺钉和垫片组件以及和组件一样机加的无 垫片产品。 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. 产品不包括自攻螺钉、自挤螺钉、钻尾螺钉。这些产品的机械性能与材料要求包含在SAE 另外的标准中。 The term stud as referred 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. 螺柱这里是指适用于中等长度圆柱杆，螺纹在一端有或两端都有，或全螺纹的产品。它并 不适用于有头的、带定位的或类似于本文中所要求的螺栓特性近似的产品。 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 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.) 为了规范，本标准将U型螺栓是为螺柱。因此，本文中涉及到的螺柱要求，U型螺栓同 样适用。本文所提及的U型螺栓是使用于车辆悬挂位置或相关位置的产品。(设计者应了解 到同样尺寸、等级的U型螺栓与两个螺栓或螺柱的载荷是不相等的，因此，U 型螺栓的实 际承载应以鞍型荷重测试方法来判定。 Reference Section 参考文献 SAE J121M—Decarburization in Hardened and Tempered Metric Threaded Fasteners 公制螺纹紧固件淬硬和回火的脱碳要求 SAE J123—Surface Discontinuities on Bolts, Screws, and Studs in Fatigue Applications 用于疲劳载荷的螺栓、螺钉及螺柱的表面不连续性 SAE J429—Mechanical and Material Requirements for Externally Threaded Fasteners 外螺纹紧固件的机械性能及材料要求 SAE J1061—Surface Discontinuities on General Application Bolts, Screws, and Studs 通用螺栓、螺钉及螺柱的表面不连续性 ASTM A 307—Specification for Carbon Steel Bolts and Studs, 60 000 psi Tensile 抗拉强度 60kpsi碳钢螺栓、螺柱的相关规范要求 ASTM A 354—Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners 淬火和回火合金钢螺栓、螺柱和其他外螺纹紧固件的标准规范 ASTM A 449—Specification for Quenched and Tempered Steel Bolts and Studs 淬火和回火钢制螺栓及螺柱的标准规范 ASTM F 606M—Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets 测定外螺纹及内螺纹紧固件、垫圈及铆钉的机械特性的试验方法(米制) ASME B18.2.1 六角方型美制螺栓螺钉标准规范 Developed by the SAE Fastener Committee SAE紧固件委员会发布 翻译:夏目隐花( BETTY) 2016.08.17