標準號：BS EN 14399-7-2007
中文標準名稱：預荷載高強度結(jié)構(gòu)螺栓組件.第7部分:HR系統(tǒng).沉頭螺栓和螺母組件
英文標準名稱：High-strength structural bolting assemblies for preloading. Part 7: System HR. Countersunk head bolt and nut assemblies
標準類型：J13
發(fā)布日期：2008/1/31 12:00:00
實施日期：2008/1/31 12:00:00
中國標準分類號：J13
國際標準分類號：21.060.01
引用標準：EN 1993-1-8;EN 10045-1;EN 14399-1-2005;EN 14399-2-2005;EN 14399-5;EN 14399-6;EN 20898-2;EN 26157-1;EN ISO 898-1;EN ISO 3269;EN ISO 4032;EN ISO 4759-1;EN ISO 6157-2;EN ISO 10684;ISO 148-1;ISO 261;ISO 888;ISO 965-2;ISO 965-5
適用范圍：This document belongs to the suite of European Standards EN 14399 and is designed to be read in conjunctionwith EN 14399-1 for:? general requirements;? testing for conformity evaluation;? evaluation of conformity;? regulatory marking;for assemblies of high-strength structural countersunk bolts and nuts of system HR suitable for preloaded jointswith thread sizes M12 to M36 and bolt property classes 8.8 and 10.9 and EN 14399-2 for suitability testing.This document gives requirements for:? dimensions;? associated washer(s) according to EN 14399-5 or to EN 14399-6;? performance and suitability tests;for assemblies with thread sizes M12 to M36 and bolt property classes 8.8 and 10.9.Countersunk bolt and nut assemblies to this document have been designed to allow preloading of at least 0,7 f