1、DEUTSCHE NORM January 200( I I Square taper steel washers for use with I sections DIN 435 - ICs 21.060.30 Scheiben, vierkant, keilfrmig, fr I-Trger Supersedes December 1989 edition. In keeping with current practice in standards published by the International Organization for Standardization (ISO), a
2、 comma has been used throughout as the decimal marker. Foreword This standard has been prepared by Technical Committee Scheiben und Ringe of the Normenausschuss Mechanische Verbindungselemente (Fasteners Standards Committee). The DIN 4000-3-2 tabular layout of article characteristics shall apply to
3、washers as covered in this standard. Amendments This standard differs from the December 1989 edition in that diameter d has been changed for sizes M12 and M16 in accordance with DIN EN 20273 (medium series) and references have been updated. Previo us edit ions DIN 435: 1921 -1 1, 1924-04, 1936-1 O,
4、1943-05, 1961 -02, 1970-1 1, 1989-1 2. All dimensions are in millimetres. 1 Scope This standard specifies dimensions and technical delivery conditions for square taper washers for use in structural bolting of steel I sections using bolts up to property class 5.6. 2 Normative references This standard
5、 incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the titles of the publications are listed below. For dated references, subsequent amendments to or revisions of any of these publications
6、apply to this standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. DIN 267-1 O DIN 4000-3 DIN EN 20273 DIN EN IS0 3269 DIN EN IS0 4042 Fasteners - Technical delivery conditions - Hot-dip galvanized componen
7、ts Tabular layouts of article characteristics for washers Fasteners - Clearance holes for bolts and screws (IS0 273 : 1979) Fasteners -Acceptance inspection (ISO/DIS 3269 : 1998)l) Fasteners - Electroplated coatings (IS0 4042 : 1999) l) Currently at draft stage. Continued on pages 2 and 3. Translati
8、on by DIN-Sprachendienst. In case of doubt, the German-language original should be consulted as the authoritative text. No art of this translation mav be retxoduced without the mior Dermission of Ref. No. DIN 435 : 2000-0 hl Deutsches Institut fr Norm;ng e. k, Berlin. Beuth Verlag GmbH, 10772 Berlin
9、, Germany, s the exclusive right of sale for German Standards (DIN-Normen). English price group 05 Sales No. 0105 05.00 Page 2 DIN 435 : 2000-01 Nominal size1) 3 Dimensions For thread size rl14%10,5% 1 Rolled-in grooves for indication of (1 4 * 0,5) % taper (on top side) Figure 1: Washer dimensions
10、(notation) Table 1 : Washer dimensions and mass 19 I M8 I 11 I M10 I 13,5 I M12 I 26 I M24 I 30 I M27 For l), see page 3. d I a Min. = Nominal nominal I Max. I size I Min. I Max. size 9 I 9,36 I 22 I 20 I 24 11 I 11,43 I 22 I 20 I 24 13,5 I 13,93 I 26 I 24 I 28 4: 1 29,5 1 17,93 1 1 343 22,52 37,5 4
11、2,5 24 24,52 44 41,5 46,5 26 I 26,52 I 56 I 53 I 59 30 I 30,52 I 56 I 53 I 59 b Max. Nominal I Min, I size 22 I 21,35 I 22,65 22 I 21,35 I 22,65 30 I 29,35 I 30,65 * 50 49,2 50,8 56 I %,O5 I 56,95 56 I %,O5 I 56,95 (continued) Page 3 DIN 435 : 2000-01 Taper angle I e2) 1,s I For;rad I (auxiliary dim
12、en- Nominal size1) sion) 9 M8 3,05 17,5 M16 22 I M20 I 6,l 24 I M22 I 6,5 26 I M24 I 6,9 30 I M27 I 6,9 Table 1 (concluded) (7,85 kg/dm per 1 O00 units, in kg 46 3,6 5,6 1,2 0,5 1,68 9,4 62 50 7,4 1,6 0,7 1,68 20,l 7,5 63 8,7 2 0,8 2 35,6 9,2 I 8,O I 10,4 I 2,4 I 0,9 I 2 I 67 I 10 I 8,8 I 11,2 I 2,4
13、 I 1 I 2 I 90 I I 10,8 I 9,3 I 12,3 I 2,4 I 1 I 3,8 I 143 l) Nominal size equal to clmin. 2, e = h (nominal size) - 0,07 b (nominal size). I 4 Technical delivery conditions 4.1 Material Washers shall be made of steel, the steel grade being at the manufacturers discretion. The hardness shall be 100 t
14、o 250 HV 10. 4.2 Surface finish Washers shall have a bright surface finish, be free from burr, and be electroplated as specified in DIN 267-10 or hot-dip galvanized as specified in DIN EN IS0 4042. 4.3 Acceptance inspection Acceptance inspection shall be undertaken on the lines of DIN EN IS0 3269. T
15、he acceptable quality level (AQL) for the major characteristics shall be as specified in table 2. Table 2: AQL values I Major characteristic I AQL value I I Hole diameter I 1,s I I Coaxiaiity I 1,s I 5 Designation Designation of a nominal size 13,5 washer for use with I sections: Washer DIN 435 - 13,5
