ISO 6621-3 : 2000(R2011)现行
INTERNAL COMBUSTION ENGINES - PISTON RINGS - PART 3: MATERIAL SPECIFICATIONS
出版：International Organization for Standardization
专家解读视频
This part of ISO 6621 classifies materials intended for the manufacture of piston rings, based on their mechanical properties and the stresses the materials are capable of withstanding.
UNE 26417-3 : 1992 - Identical
UNI ISO 6621-3 : 1992 - Identical
DIN ISO 6621-3 : 1990 - Identical
NF ISO 6621-3 : 2002 - Identical
NBR ISO 6621-3 : 2009 ERRATA 1 2016 - Identical
DIN ISO 6621-3 : 1990 - Identical
UNI ISO 6621-3 : 1992 - Identical
UNE 26417-3 : 1992 - Identical
NF ISO 6621-3 : 2002 - Identical
NBR ISO 6621-3 : 2009 ERRATA 1 2016 - Identical
