NS EN ISO 7089 Ed. 2 (2000)现行
Plain Washers - Normal Series - Product Grade A
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Characteristics of normal-series, product-grade-A plain washers in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameters) ranging from 1,6 mm to 64 mm inc. are defined. Washers of hardness class 200 HV are suitable for: hexagon bolts and screws of product grades A and B in property classes up to and including 8.8; hexagon nuts of product grades A and B in property classes up to and including 8; hexagon bolts, screws and nuts of stainless steel of similar chemical composition; case-hardened thread rolling screws, washers of hardness class 300 HV are suitable for hexagon bolts and screws of product grades A and B in property classes up to and including 10.9; hexagon nuts of product grades A and B in property classes up to and including 10.
Supersedes NS ISO 7089. (04/2008)
SN EN ISO 7089:2000 - Identical
BS EN ISO 7089:2000 - Identical
DIN EN ISO 7089 (2000-11) - Identical
ONORM EN ISO 7089:2000 - Identical
NF EN ISO 7089:2000 - Identical
NBN EN ISO 7089:2000 - Identical
UNE EN ISO 7089:2000 - Identical
SS EN ISO 7089 Ed. 1 (2000) - Identical
UNI EN ISO 7089:2001 - Identical
ISO 7089:2000 - Identical
I.S. EN ISO 7089:2000 - Identical
NEN EN ISO 7089:2000 - Identical
