GB/T 3506-1993
Replaced
GB/T 20328-2006
Replaced
National standards
GB/T 20328-2006 Circular dies for taper pipe threads—R series
GB/T 20328-2006 Circular dies for taper pipe threads—R series
Basic Information
Standard Code:
GB/T 20328-2006
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Knives
ICS Name:
Taps and punch dowels
Publish Date:
2006-07-20
Implement Date:
2007-01-01
Pages:
4 pages
Scope
This standard specifies the types, dimensions, marking examples, and basic requirements of the technical conditions for R-series conical pipe thread taps. This standard applies to R-series thread taps used for machining 55° sealed pipe threads (in accordance with GB/T 7306.1 to 7306.2).
Development Information
Superseded by the following standards
Referenced Standards
GB/T 970.2-1994 Technical specifications for circular screwing dies
GB/T 970.2-2008 Circular screwing dies—Part 2:Technical specifications
GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 1:Parallel internal and taper external threads
GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 2:Taper internal and external threads
Adopt standards
ISO 4230:1987
Related Standards
GB/T 3464.1-1994
Replaced
GB/T 3464.1-1994 Machine and hand taps
GB/T 3464.3-1994
Replaced
GB/T 3464.3-1994 Short shank machine and hand taps
GB/T 967-1994
Replaced
GB/T 967-1994 Nut taps
GB/T 968-1994
Replaced
GB/T 968-1994 Manufacturing tolerances on the threaded portion of taps
GB/T 969-1994
Replaced