GB/T 3821-1983
Replaced
GB/T 1149.12-2013
Replaced
National standards
GB/T 1149.12-2013 Internal combustion engines—Piston rings—Part 12:Half keystone rings made of steel
GB/T 1149.12-2013 Internal combustion engines—Piston rings—Part 12:Half keystone rings made of steel
Basic Information
Standard Code:
GB/T 1149.12-2013
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
The body and moving parts
ICS Name:
Internal combustion engine
Publish Date:
2013-12-31
Implement Date:
2014-10-01
Pages:
14 pages
Scope
This part of GB/T 1149 specifies the basic dimensional characteristics of wedge-shaped steel piston rings (hereinafter referred to as wedge-shaped steel rings) with the model HK and HKB.
This part is applicable to wedge-shaped steel piston rings for reciprocating piston internal combustion engines with a cylinder diameter ranging from 38 mm to 160 mm.
Development Information
Same series standard
Superseded by the following standards
Referenced Standards
ISO 6621-4
Adopt standards
ISO 6624-4:2003(E)
Related Standards
GB/T 1147-1987
Replaced
GB/T 1147-1987 Reciprocating internal combustion engines—General technical specifications
GB/T 725-1991
Replaced
GB/T 725-1991 Internal combustion engines—Nomenclature and code of designations
GB/T 1149.3-1992
Replaced
GB/T 1149.3-1992 Internal combustion engines—Piston rings-Scraper rings
GB/T 1149.5-1992
Replaced
GB/T 1149.5-1992 Internal combustion engines—Piston rings-Oil control rings
GB/T 1151-1993
Replaced