ASME B18.7-2007 pdf download

ASME B18.7-2007 pdf download.General Purpose Semi-Tubular Rivets, Full Tubular Rivets, Split Rivets, and End Caps.
1 GENERAL 1.1 Scope 1.1.1 This Standard covers complete general and dimensional data for semi-tubular rivets, full tubular rivets, split rivets, and rivet caps for use in general pur- pose applications. The products described are suitable for joining metallic and nonmetallic materials or combi- nations thereof. Itshould be noted thatwhile these prod- ucts are suitable for general purpose assembly, other special purpose types are available to satisfy particular requirements and manufacturers should be consulted for special requirements. 1.1.2 The inclusion of dimensional data in this Standard is notintended to imply that all ofthe products described are stock production sizes. Consumers are requested toconsultwithsuppliers concerningavailabil- ity of products. 1.2 Types of Rivets The rivets specified in this Standard are included in paras. 1.2.1 through 1.2.3 1.2.1 Semi-Tubular Rivets. The semi-tubular rivets are available in the head styles listed below and shall have straight holes, Type S, normally produced by extruding or drilling; or tapered holes, Type T, normally produced by swaging. (a) oval head semi-tubular rivets (see Table 1) (b) truss head semi-tubular rivets (see Table 2) (c) 150-deg flat countersunk head semi-tubular rivets (see Table 3) (d) 150-deg large flat countersunk head semi-tubular rivets (see Table 4) (e) 120-deg flat countersunk head semi-tubular rivets (see Table 5) 1.2.2 Full Tubular Rivets. The full tubular rivets are available in the head styles listed below and shall normally have straight holes produced by extruding or drilling. (a) oval head full tubular rivets (see Table 6) (b) truss head full tubular rivets (see Table 6) (c) flat-countersunk head full tubular rivets (see Table 6) 1.2.3 Split Rivets. The split rivets covered herein consist of the following head styles:
1.3 Rivet Caps The rivet caps for use with split and full tubular rivets are given in Table 9. 1.4 Options Options, where specified, shall be at the discretion of the manufacturer unless otherwise agreed upon by the manufacturer and the purchaser. 1.5 Dimensions (a) Unless otherwise stated, all dimensions in this Standard are in inches and apply before any coating. When plating or coating is specified, the finished prod- uct dimensions shall be as agreed upon by the supplier and purchaser. (b) Symbols specifying geometric characteristics are in accordance with ASME Y14.5M. 1.6 Terminology Fordefinitionsofterms relatingto fasteners orcompo- nent features thereof used in this Standard, refer to ASME B18.12. 1.7 Related Standards Itshould be noted thatstandards forsmall solid rivets, large rivets, and other related products are published under separate covers as listed on the last page of this Standard. 1.8 References The following is a list of publications referenced in this Standard. Unless otherwise specified, the referenced standard shall be the most recent issue at the time of order placement. ASME B18.12, Glossary of Terms for Mechanical Fasteners ASME B18.24, Part Identifying Number (PIN) Code System Standard for B18 Fastener Products ASME Y14.5M, Dimensioning and Tolerancing Publisher: The American Society of Mechanical Engineers (ASME), Three ParkAvenue, New York, NY 10016-5990;OrderDepartment: 22 LawDrive, P.O. Box 2300, Fairfield, NJ 07007-2300
2.5 Material Semi-tubular and full tubular rivets shall be made from low carbon steel (0.1% carbon or less) (UNS G10050), commercial yellow brass (UNS C26800), copper (UNS C14700), aluminum (UNS A95052), or other materials as agreed upon between the manufac- turer and the purchaser. 2.6 Finish Unless otherwise specified, rivets shall be supplied with a natural (as processed) finish, unplated or uncoated. Rivets may be furnished plain (bare metal) or with a protective coating (electrodeposited plating and/or chemical conversion coating) as specified by the user. All rivets shall be provided with a supplementary lubricant if necessary to meet the stated performance requirements without galling. The lubricant shall be clean and dry to the touch, shall not be irritating to normal skin, nor emit an unpleasant odor during rivet assembly. The performance of rivets that are furnished with a protective coating shall not deteriorate when the rivets are stored indoors for a period of 6 months. In cases where rivets are given a protective coating or are cleaned following delivery to the purchaser, the rivet producer shall not be held responsible for failure of the rivet to meet dimensional, mechanical, or performance requirements traceable to plating, coating, or cleaning practice. Lubrication (e.g., waxing) may improve the setting of the rivet. NOTE: Nickel and chromium finishes are very hard and, there- fore, will have a tendency to flake off the end of the rivet when it is set by the user. 2.7 Workmanship The rivets shall be free from all burrs, seams, or other imperfections that might impair their usability. Rivets are not machined or trimmed, and unevenness of the tubular end shall not be such that the usability of the rivet shall be impaired, when clinched with properly aligned, appropriate setting tools.