JB/T 4290-2011
Technical requirements for forgings of high-speed steel (English Version)
- Standard No.
- JB/T 4290-2011
- Language
- Chinese, Available in English version
- Release Date
- 2011
- Published By
- Professional Standard - Machinery
- Latest
- JB/T 4290-2011
- Replace
- JB/T 4290-1999
- Scope
- This standard specifies the technical requirements, inspection methods, inspection rules, markings and quality certification documents for high-speed tool steel forgings. This standard applies to high-speed tool steel tool forgings that have been upsetting or repeatedly upsetting. New high-speed tool steel tool forgings other than those specified in this standard can also be used with reference.
JB/T 4290-2011 Referenced Document
- GB/T 1814 Inspection method for steel work fractures
- GB/T 224 Determination of the depth of decarburization of steels*， 2019-06-04 Update
- GB/T 230.1 Metallic materials.Rockwell hardness test.Part 1:Test method*， 2018-05-14 Update
- GB/T 231.1 Metallic materials—Brinell hardness test—Part 1: Test method*， 2018-05-14 Update
- GB/T 9943 High-speed tool steels
- JB/T 4009 Non-destructive testing contact ultrasonic longitudinal wave pulse echo detection and evaluation method of discontinuity*， 2020-04-24 Update
JB/T 4290-2011 history
- 2011 JB/T 4290-2011 Technical requirements for forgings of high-speed steel
- 1999 JB/T 4290-1999 Technical requirments for forgings of high-speed steel
