DAIMLERCHRYSLER CORPORATION No: MS-6179<S>Material Standard Date Published: 2003-05-21 Category Code: X-1 Change: FEASL Req.: NoRESTRICTED: NoMETRIC SERIES STEEL NUTS公制系列钢制螺母1.0 GENERAL 总则1.1 Purpose 目的This standard describes the requirements for metric series steel nuts in four property classes, MS-6179 Classes 5, 8, 9, and 10, for use in miscellaneous automotive applications.本标准 述的是 制系列的5，8，9，10四个性能等级和MS-6179等级钢制螺母，使用于汽车的各种用途1.2 Coverage of this Standard 本标准的范围This standard covers the chemical composition, processing (forming, heat treatment), mechanical properties (methods of testing), identification and quality requirements of the finish product.本标准包括化学成分，过程 成形，热处理 ，机械特性 测试方法 ，标记和成品的质量要求1.3 Designation on Drawings 图 的指定For specification purposes on DaimlerChrysler Engineering drawings, the four property classes shall be designated as follows in Table 1.克莱斯勒 工程图 的说明，应按 面表1指定性能等级 分四个2.0 MA TERIAL CHARACTERISTICS 材料特性The steel used to fabricate these parts shall be made from steel wire, in accordance to approved commercial practices. It shall be uniform in chemistry and quality; clean, sound and free from all surface and internal defects detrimental to the fabrication, performance or appearance of the parts for which it is intended. Additional information on steel quality can be found in MS-BAR<S>.用来制造这些紧固件的钢材应按照批准的商业运作选用圆钢，它们必须有一致的化学成分，干净，坚固，没有 零件要达到的制造，性能，外 有害的所有表面和内部缺陷，钢质量的进一步要求 MS-BAR S CHEMICAL COMPOSITION 化学成分TABLE 1: DESIGNATION ON DRAWINGS表1，图 的指定Property Class Nut螺母的性能等级Suitable for use with: 适用配MS-6179<S>-5 MS-6149<S> property class 4.8 screws, bolts and studs 性能等级4.8的螺栓，螺钉，双头螺栓MS-6179<S>-8 MS-6149<S> property class 8.8 and 4.8 screws, bolts and studs性能等级4.8-8.8的螺栓，螺钉，双头螺栓MS-6179<S>-9 MS-6149<S> property class 9.8 and 4.8 screws, bolts and studs性能等级4.8-9.8的螺栓，螺钉，双头螺栓MS-6179<S>-10 MS-6149<S> property class 10.9, 9.8 and 8.8 screws, bolts and studs性能等级8.8，9.8，10.8的螺栓，螺钉，双头螺栓No exact chemical composition is specified. Selection of a steel for each nut property class shall be optional for each manufacturing source, but that steel shall be capable of meeting the requirements of Table 2.没有规定化学成分， 每种螺母的性能等级的钢的选用应由供应商自定，但钢应满足表2的要求4.0 PROCESS REQUIREMENTS 过程要求4.1 Forming 成形Nuts conforming to this standard shall be cold formed, unless otherwise specified.按本标准的螺母应 成形，除非另有说明4.2 Heat Treatment 热处理A. Property Classes MS-6179<S>-5, 8 and 9 nuts need not be heat treated. MS-6179 S 性能等级5，8，9的螺母不必热处理B. Property Class MS-6179<S>-10 nuts shall be heat treated per DaimlerChrysler Process Standard PS1<S> using an oil quenchant followed by a minimum tempering temperature of 450 degreesC.MS-6179 S 性能等级10的螺母应按克莱斯勒过程标准PS1 S 热处理，用油淬火随 最小450摄氏度回火NOTE : Case hardening for any reason shall not be permitted.说明：渗碳淬火在任何情 是不允许的5.0 PERFORMANCE REQUIREMENTS OF THE MA TERIAL 材料的性能要求5.1 Mechanical Properties and Tests机械性能的测试5.1.1 Hardness 硬度The hardness of finished nuts shall be as shown in Table 2. 成品的螺母的硬度须按表2定TABLE 2: PROOF LOAD AND HARDNESS REQUIREMENTS FOR METRIC SERIES STEEL NUTS表2. 制系列钢制螺母的载荷和硬度要求Property Class 性能等级Nominal Nut Size (mm)义螺母尺Proof Load Stress (MPa)屈服点Hardness (HRC max)最大硬度5 4 to 36 incl. 570 308 4 to 36 incl. 910 309 4 to 16 incl. 990 3010 4 to 36 incl. 1040 26 - 36 <S>Hardness determination shall be made on a polished surface on the top or bottom nut face halfway between the thread and the hexagon corner or on a wrench face one-third of the distance from a hexagon corner to the center of the wrench face. Surface preparation prior to hardness testing shall be sufficient to remove decarburization or other surface irregularities.硬度的测定应在 滑的表面进行,测量点可 是在螺母 表面的螺 和 角角尖的中间,也可 是扳手表面从 角角尖到表面中部 分之一处,在测试前的表面准备应充分去除脱碳和其他不规则的形状Hardness tests shall be performed in accordance with the procedures outlined in the latest issue of SAE J417.硬度测试应按SAE J417 最 版本的纲要的程序进行5.1.2 Proof Load 保证载荷Nuts shall be capable of meeting the proof load requirements of their particular property class shown in Table 3 when tested as follows:特定的性能等级,如表3所示,螺母应满足保证载荷的要求如 ,TABLE 3: PROOF LOAD FOR METRIC SERIES STEEL NUTS表3: 制系列钢螺母的保证载荷Nominal Nut Size 义尺 Proof Load (Kilonewtons)保证载荷(千牛顿)TABLE 3: PROOF LOAD FOR METRIC SERIES STEEL NUTS表3: 制系列钢螺母的保证载荷Class 5 Class 8 Class 9 Class 10 <S>M 4 X 0.70 5.0 8.0 8.0 9.0M 5 X 0.80 8.0 13.0 14.0 15.0M 6 X 1.00 12.0 18.0 20.0 21.0M 8 X 1.25 21.0 33.0 36.0 38.0M 10 X 1.50 33.0 53.0 58.0 60.0M 12 X 1.75 48.0 77.0 84.0 88.0M 14 X 2.00 66.0 105.0 114.0 120.0M 16 X 2.00 90.0 143.0 155.0 163.0M 20 X 2.50 140.0 223.0 255.0M 24 X 3.00 200.0 321.0 367.0M 30 X 3.50 320.0 511.0 583.0M 36 X 4.00 466.0 743.0 850.0NOTE (1): The loads tabulated above were obtained by multiplying the proof load stress in Table 2, "Proof Load & Hardness Requirements for Metric Series Steel Nuts", by the bolt stress area. Proof loads for other sizes, pitches and property classes can be computed by using the appropriate value for proof load stress and stress area as computed by the formula in Table 4.注一: 述表格中的载荷是从表2 制系列的钢螺母的保证载荷硬度要求 的屈服点乘 倍数得到的，通过应力面 ， 其他面 螺距和性能等级的螺母的保证载荷可 通过相关的屈服点和应力面 值，用表4的 式计算得到TABLE 4: PROOF LOAD FORMULA 表4：保证应力的 式As = 0.7854 (D-O.9382 P)2Where: As = bolt stress area D = nominal bolt diameter P = thread pitch其中As=螺栓面 D= 义螺栓直径P=螺 螺距The nut shall be assembled on a test bolt or on a hardened and threaded mandrel (as described below) until at least three threads protrude. The specified proof load for the nut (See Table 3) shall be applied against the nut in an axial direction. The nut shall bear against a hardened steel plate at least one bolt diameter thick and having a clearance hole equal to basic bolt diameter plus 0.25 to 0.40 mm.螺母应装在一个测试螺栓或一个淬硬的螺 芯轴 面有 述 直到有最少3个螺距穿出螺母，规定的螺母保证载荷 表3 须在轴向施 在螺母 ，螺母应压在一块厚度不小于螺栓直径，有一个直径等于基本螺栓直径 0.25-0.40mm孔的淬硬钢 ，The nut shall resist the specified proof load without failure by stripping or rupture, and shall be removable from the test bolt or mandrel by the fingers after the load is released. (NOTE: Occasionally, it may be necessary to use a manual wrench of other means to start the nut in motion. Use of such means is permissible provided the nut is removable by the fingers following an initial loosening of not more than one-half turn of the nut.) If the threads of the test bolt or mandrel are damaged during the test, the test shall be discarded.螺母应能 规定的保证载荷，没有剥离和断裂失效，在试验载荷 消 可 用手指将其从螺栓 拧 ， 注：有时，需要其他手段用手动 手 拧 螺母一圈到一圈半，再用手拧 ，这是许可的 如果测试螺栓或芯轴在测试时坏掉了，测试就作废Test bolts shall have threads conforming to Class 6g tolerances and shall have a yield strength in excessof the specified proof load of the nut being tested.测试的螺栓需有6g的精度，在屈服强度 测试螺母规定的保证载荷有过剩Mandrels shall have a hardness of HRC 45 minimum; and shall be threaded to Class 6g tolerance, exceptthat the major diameter shall be the minimum major diameter with a tolerance of plus 0.05 mm.芯轴应有最小HRC45的硬度，螺 精度在6g级，除非螺 大径是最小大径 0.05mm 差For reference purposes, the proof load test shall be conducted using a hardened mandrel.作为参考目的，保证载荷测试应指导使用淬硬心轴5.2 Physical Properties and Tests物理特性和测试5.2.1 Surface Condition 表面情Property Classes MS-61709<S>-8, 9 and 10 nuts shall meet the surface discontinuity limits of Performance Standard PF-5189<S>.性能等级MS-61709 S -8，9和10的螺母应保证性能标准PF-5189 S 关于表面不连续性的限制6.0 IDENTIFICATION 标记When specified on the engineering drawing, these nuts shall be identified per Process Standard PS6151<S>.当工程图 有要求时，这些螺母应按过程标准PS6151 S 进行标记QUALITY 质量Refer to CS-9801 for general quality requirements.参考CS-9801来决定总的质量要求7.1 QS-9000QS-9000 defines the quality system expectations of DaimlerChrysler, Ford, General Motors, Truck Manufacturers and other subscribing companies for internal and external suppliers of production and service parts and materials. It is mandatory that the requirements of QS-9000 be met when supplying parts to this standard.QS-9000定义的是克莱斯勒，福特，通用，卡车制造厂和其他认购 内部或外部的产品，服 零件和材料的供应商的质量系统要求，按本标准 供零件时QS-9000的要求是强制要求执行的8.0 CONTROL 控制The minimum metallurgical and plating/coating checking requirements are described in Process Standard PS-10029. The minimum heat treat metallurgical checking requirements are described in Process Standard PS-10030.最 的 金的和涂覆的检查要求在过程标准PS-10029中有 述最 的热处理 金的检查要求在过程标准PS-10030中有 述GENERAL INFORMA TION 总的信息Three asterisks “***” after the section/paragraph header denotes multiple technical changes to the section/paragraph. A triple asterisk before and after a string of text (***text***) identifies a single change.在节/段的头部的 面跟 颗星 *** 表示该节/段有多重更改，在一窜字符的前 各 颗星 ***text*** 表示有单一的更改Certain important information relative to this standard has been included in separate standards. To assure the materials submitted meet all of DaimlerChrysler requirements, it is mandatory that the requirements in the following standards be met.某些和本标准相关的信息包 于独立的标准中，为了保证材料能满足所有克莱斯勒要求，强制要求 列标准必须满足CS-9800 - Application of this standard, the subscription service, and approved sourcesCS-9003 - Regulated substances and recyclabilityCS-9800-本标准的使用， 级单 ，批准的供应商CS-9003-限制物质和可追踪性Within Engineering Standards, the Regulatory (Government-mandated) requirements are designated by <S>, <E> and <H> which correspond to Safety, Emission and Homologation Shields respectively. The DCC-mandated requirements are designated by <D>, <A> and <T> and correspond to the Diamond, Appearance and Traceability symbols respectively.在工程标准中，规定的 政府命 的 要求指定为<S>,<E>,和<H>,他们分 应于安全，发射 辐射 和 素化保护，克莱斯勒命 的要求指定为<D>,<A>和 T ，它们分 应于菱形，外 和可追踪性For specific information on this document, please refer to the contact person shown in the "Publication Information" Section of this document. For general information on obtaining Engineering Standards and Laboratory Procedures, see CS-9800 or contact the Engineering Standards Department at engstds@.本文件中的特殊信息,请向本文件中’ 共信息”一节中的联系人员 得参考,, 获得工程标准和实验室程序的总的信息, CS-9800或在engstds@. 联系工程标准部门10.0 REFERENCES 参考CS-9003 CS-9800 CS-9801 MS-6149<S> MS-BAR<S> PS-1<S> PS-6151<S> PS-10029 PS-10030 PF-5189<S> PF-SAFETY QS-9000 SAE J41711.0 ENGINEERING APPROVED SOURCE LIST 工程批准的供应商清单Not applicable. 没有PUBLICATION INFORMATION发布信息Contact/Phone No: 联系人/电话 码：***Kerri Roche/(248) 512-3806***Alternate Contact/Phone No: 用联系人/电话 码***(248) 576-0652***Dept. Name & Dept. No./Tech Club/Organization: 部门 和部门 / 术俱乐部/组织Chassis & Powertrain Materials Engineering/ Dept. 5810Date Standard Originally (Initially) Published: 标准原始的发布日期1976-01-28Date Published出版日期: 2003-05-21Change Notice: 更改通知N/ADescription of Change: 更改的说明Format change and publication information 格式更改和发布信息# # # #。