DIN_525相关标准规范

UDC621.882.2.092:621.791September 1986Weld studs丽525AnschweiBendenSupersedes November 1970 edition.In keeping with current practice in standards published by the International Organization for Standardization(ISO),a commahas been used throughout as the decimal marker.Dimensions in mm1 Scope and field of applicationWeld studs are fasteners which are primarily selected because of their weldability.When determining what loadbearingcapacity weld studs are to have,account shall be taken of their inherent strength,the part into which the studs are welded.and the intended function,e.g.use as components of turnbuckles or similar devices.Weld studs may be manufactured bothwith the shank diameter equal to the thread diameter(normal shank)and with the shank diameter approximating the pitchdiameter.This does not impair the loadbearing capacity.since the strength values are specified on the basis of maximumloads (in terms of the cross-sectional area of the thread (see also ISO 898 Part 1)).2 Dimensionsw=(incomplete thread):2 P maximum.DIN 78-K or DIN 78-L thread ends.at the manufacturer's discretionx:=2.5P maximum (as specified in DIN 76 Part 1).Shank diameter thread diameter (type C)or pitch diameter(type B),at the manufacturer's discretion.Thread size dM6M8M10M12M16M20M24M30M36M42M48p1)11.251.51.7522.533.544.556+名”354045%7585105125145165max=1012nominal size16202430364248dsmin 2)=pitch diameterNominal size130140150170190210230270310350390min.128138148168187.7207.7227.7267.4307.4347,1387,1max132142152172192.3212.3232.3272.6312.6352.9392,9Mass (7.85kg/dm3).in kg per 1000 units.2649.283.51352734737451370228035105110approximately1)P=pitch of thread (coarse pitch thread).2)For a normal shank.tolerance class h15 shall apply for the shank diameter.Continued on pages 2 and 356