标准号:DIN EN ISO 2320-2009
中文标准名称:经常作用的扭矩型钢螺母.机械性能和特性性能
英文标准名称:Prevailing torque type steel nuts - Mechanical and performance properties (ISO 2320:2008); English version of DIN EN ISO 2320:2009-03
标准类型:J13
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:J13
国际标准分类号:21.060.20
引用标准:ISO 273-1979;ISO 898-1;ISO 898-2;ISO 898-6;ISO 965-2;ISO 16047
适用范围:This International Standard specifies the mechanical and performance properties for prevailing torque typesteel nuts when tested at an ambient temperature range of +10 ~C to +35 ~C. It includes a single test todetermine the prevailing torque properties (performance properties) and/or the torque/clamp force properties.This International Standard applies to prevailing torque all metal type nuts and prevailing torque non-metallicinsert type nuts:a) with triangular ISO thread according to ISO 68-1;b) with diameter/pitch combination according to ISO 261 and ISO 262;c) with coarse pitch thread M3 to M39 and mechanical properties according to ISO 898-2;d) with fine pitch thread M8xl to M39~3 and mechanical properties according to ISO 898-6;e) within the temperature range of-50 ~C to +150 ~C for prevailing torque all metal type nuts;NOTE 1 See Clause 7, paragraph 3.f) within the temperature range of-50 ~C to +120 ~C for prevailing torque non-metallic insert type nuts.NOTE 2 See Clause 7, paragraph 4.