DIN 976-1-2016 Fasteners - Stud bolts - Part 1 Metric thread《紧固件 螺栓 第1部分 米制螺纹》.pdf

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1、September 2016 English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 21.040.10; 21.060.10!%dA“265593

2、0www.din.deDIN 976-1Fasteners Stud bolts Part 1: Metric thread,English translation of DIN 976-1:2016-09Mechanische Verbindungselemente Gewindebolzen Teil 1: Metrisches Gewinde,Englische bersetzung von DIN 976-1:2016-09Fixations Tiges filetes Partie 1: Filetage mtrique,Traduction anglaise de DIN 976-

3、1:2016-09SupersedesDIN 976-1:2002-12www.beuth.deDocument comprises 12 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.05.17 DIN 976-1:2016-09 2 A comma is used as the decimal marker. Contents Page Foreword 3 Introduction. 4 1 S

4、cope . 5 2 Normative references . 5 3 Dimensions . 6 4 Technical delivery conditions . 10 5 Designation 11 6 Marking . 11 6.1 Property class or steel grade . 11 6.2 Colour coding 11 Bibliography . 12 DIN 976-1:2016-09 3 Foreword This standard has been prepared by Working Committee NA 067-00-08 AA Ve

5、rbindungselemente mit Sonderformen und aus Kunststoff of DIN-Normenausschuss Mechanische Verbindungselemente (DIN Standards Committee Fasteners). The DIN 4000-160-12 tabular layout of product properties applies to stud bolts covered in this standard. Attention is drawn to the possibility that some o

6、f the elements of this document may be the subject of patent rights without these having been identified here. DIN and/or DKE shall not be held responsible for identifying any or all such patent rights. Amendments This standard differs from DIN 976-1:2002-12 as follows: a) the standard has been edit

7、orially revised; b) normative references have been updated; c) Figure 1 has been brought in line with DIN EN ISO 225; d) the symbol l in Figures 1 and 2 and Table 1 has been replaced by ltaccording to DIN EN ISO 225; e) for limit deviations and geometrical tolerances in Table 2, product grade C has

8、been specified instead of product grade A, and for stud bolts with a property class of 39 mm Subject to agreement. d 24 mm Subject to agreement. CuZn = copper-zinc-alloycAl = aluminium alloydStandards DIN EN ISO 898-1 DIN EN ISO 3506-1 DIN EN 28839 Limit deviations, geometrical tolerances Product gr

9、ade CeStandard DIN EN ISO 4759-1 Surface finish Coating As processed. Plain As processed. DIN 267-2 applies with regard to surface roughness. DIN EN ISO 4042 applies with regard to electroplating. DIN EN ISO 10683 applies with regard to non-electrolytically applied zinc flake coatings. DIN EN ISO 10

10、684 applies with regard to hot dip galvanizing. Additional requirements, other surface finishes or coatings are to be agreed between the supplier and the customer. Surface condition DIN EN 26157-1 applies with regard to limits for surface discontinuities for property classes 4.8, 5.6, 5.8, 8.8 and 1

11、0.9. DIN EN 26157-3 applies with regard to limits for surface discontinuities for property class 12.9. Acceptance inspection DIN EN ISO 3269 a It cannot be assumed with certainty that stud bolts with lengths of engagement larger than those in thread engagement group N are fully calibrated. b 8g for

12、property class 8.8; 6g for property class 8.8 or greater (see also DIN EN ISO 4759-1). Depending on the selected coating system, another tolerance position prior to the application of the coating may be necessary, see DIN EN ISO 4042, DIN EN ISO 10683 and DIN EN ISO 10684, for example. c CuZn = CU2

13、or CU3 grade copper-zinc-alloy (according to DIN EN 28839) at the manufacturers discretion. d Al = AL1 or AL2 grade aluminium alloy (according to DIN EN 28839) at the manufacturers discretion. e Length tolerance deviates from product grade C as specified here: for stud bolts with nominal length 1 00

14、0 mm: js15 (corresponds to product grade A); for stud bolts with nominal length 1 000 mm: js17 (corresponds to product grade B). DIN 976-1:2016-09 11 5 Designation Designation of an M10 stud bolt of type B, with a nominal length, l, of 80 mm, of property class 8.8: Stud bolt DIN 976-1 M10 80 B 8.8 6

15、 Marking 6.1 Property class or steel grade Steel stud bolts of size M5 or greater (d 5 mm) shall be marked at one end with the symbol denoting the property class according to DIN EN ISO 898-1. Stud bolts of property class 4.8 are not required to be marked. It is not required that stud bolts be marke

16、d with the manufacturers symbol. Austenitic stainless steel stud bolts of size M5 or greater (d 5 mm) assigned to property class A2-70 or A4-70 shall be marked at one end with the symbol denoting the material grade (A2 or A4). Marking of nonferrous metal stud bolts is not required. 6.2 Colour coding

17、 As an alternative to marking as in 6.1, stud bolts may be marked at one end with a colour code as in Table 3. The marking shall not impair proper use of the bolt. Table 3 Colour codes for marking stud bolts Steel Property class 4.8 Marking not required. Property class 5.6 Chestnut brown RAL 8015aPr

18、operty class 5.8 Gentian blue RAL 5010aProperty class 8.8 Traffic yellow RAL 1023aProperty class 10.9 Oyster white RAL 1013aProperty class 12.9 Traffic black RAL 9017aStainless austenitic steel A2-70 Traffic green RAL 6024aA4-70 Flame red RAL 3000aNonferrous metal CuZn, Al Marking not required. a Co

19、lours as in RAL 840-HR. Obtainable from RAL gemeinntzige GmbH, Siegburger Strae 39, 53757 Sankt Augustin DIN 976-1:2016-09 12 Bibliography DIN 4000-160, Tabular layout of product properties Part 160: Fasteners with external thread DIN ISO 965-1, ISO general purpose metric screw threads Tolerances Part 1: Principles and basic data