DIN 434:2000 pdf download

12-09-2020 comment

DIN 434:2000 pdf free download.Square Taper Steel Washers For Use With Channel Sections.Now you can get it here.
1. Scope
DIN 434:2000 specifies dimensions and technical delivery conditions for square taper washers for use in structural bolting of steel channel sections using bolts up to property class 5.6.
2. Normative references
This standard 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 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 267-10 Fasteners — Technical delivery conditions — Hot-dip galvanized components DIN 4000-3 Tabular layouts of article characteristics for washers
DIN EN 20273 Fasteners — Clearance holes for bolts and screws (ISO 273:1979) DIN EN ISO 3269 Fasteners — Acceptance inspection (ISO/DIS 3269: 1998)’)
DIN EN ISO 4042 Fasteners — Electroplated coatings (ISO 4042:1999)
4 Technical delivery conditions
4.1 Material
Washers shall be made of steel, the steel grade being at the manufacturer’s discretion. The hardness shall be
100 to 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 ISO 4042.
4.3 Acceptance inspection
Acceptance inspection shall be undertaken on the lines of DIN EN ISO 3269. The acceptable quality level (AQL)
for the major characteristics shall be as specified in table 2.

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