標(biāo)準(zhǔn)號(hào)：DIN EN ISO 2320-2009
中文標(biāo)準(zhǔn)名稱(chēng)：經(jīng)常作用的扭矩型鋼螺母.機(jī)械性能和特性性能
英文標(biāo)準(zhǔn)名稱(chēng)：Prevailing torque type steel nuts - Mechanical and performance properties (ISO 2320:2008); English version of DIN EN ISO 2320:2009-03
標(biāo)準(zhǔn)類(lèi)型：J13
發(fā)布日期：1999/12/31 12:00:00
實(shí)施日期：1999/12/31 12:00:00
中國(guó)標(biāo)準(zhǔn)分類(lèi)號(hào)：J13
國(guó)際標(biāo)準(zhǔn)分類(lèi)號(hào)：21.060.20
引用標(biāo)準(zhǔn)：ISO 273-1979;ISO 898-1;ISO 898-2;ISO 898-6;ISO 965-2;ISO 16047
適用范圍：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.