JB/T 1988-1977 Thin-walled pipe bushings
time:
2024-08-14 17:20:24
- JB/T 1988-1977
- Abolished
Standard ID:
JB/T 1988-1977
Standard Name:
Thin-walled pipe bushings
Chinese Name:
薄壁管衬套
Standard category:
Machinery Industry Standard (JB)
-
Date of Release:
1978-10-01 -
Date of Implementation:
1978-10-01 -
Date of Expiration:
2005-04-15
China Standard Classification Number:
Machinery>>General Parts>>J15 Pipe Accessories
alternative situation:
JB 995-1967
Description (Translated English) / downloadSkip to download
Summary:
JB/T 1988-1977 Thin-walled pipe bushing JB/T1988-1977 Standard download decompression password: www.bzxz.net
Standard contentSome standard content:
Standard of the First Machinery Industry Ministry of the People's Republic of China
Thin-walled pipe bushing
Marking example: Thin-walled pipe bushing with d of 12mn: Bushing 12JB1988-77
Issued by the First Machinery Industry Ministry of the People's Republic of China
Proposed by the Standardization Institute of the First Machinery Industry MinistryJB1988-
All√3
May 1, 1977
Shanghai Mechanical and Electrical Design Institute
Drafted by Chongqing Heavy Duty Automobile Research Institute and others
Dalian Combined Machine Tool Research Institute
Total 2 Page 2bZxz.net
Pipe outer diameter
Pipe inner diameter
JB 1988-77
1. The material of rolled thin steel plate (GB708-65) for steel bushing is A3F. Copper bushings are made of cold-rolled brass sheet (YB460-64) and are rolled in H62. Other materials can be selected according to the use conditions, which shall be agreed upon by both parties when placing an order.
2. The bushing is in a free state when supplied. After being pressed into the pipe end, the dimensions d and 6 must be guaranteed. 3. Technical conditions shall comply with the provisions of JB1989--77. 90
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.
Thin-walled pipe bushing
Marking example: Thin-walled pipe bushing with d of 12mn: Bushing 12JB1988-77
Issued by the First Machinery Industry Ministry of the People's Republic of China
Proposed by the Standardization Institute of the First Machinery Industry MinistryJB1988-
All√3
May 1, 1977
Shanghai Mechanical and Electrical Design Institute
Drafted by Chongqing Heavy Duty Automobile Research Institute and others
Dalian Combined Machine Tool Research Institute
Total 2 Page 2bZxz.net
Pipe outer diameter
Pipe inner diameter
JB 1988-77
1. The material of rolled thin steel plate (GB708-65) for steel bushing is A3F. Copper bushings are made of cold-rolled brass sheet (YB460-64) and are rolled in H62. Other materials can be selected according to the use conditions, which shall be agreed upon by both parties when placing an order.
2. The bushing is in a free state when supplied. After being pressed into the pipe end, the dimensions d and 6 must be guaranteed. 3. Technical conditions shall comply with the provisions of JB1989--77. 90
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.
- Recommended standards
- GB/T 2441.2-2001 Determination of urea - Determination of biuret content - Spectrophotometric method
- GB/T 8432-1987 Humidity control standard for light fastness testers
- GB/T 15048-1994 Compression creep test method for rigid cellular plastics
- GB 3804-1990 3~63kv AC high voltage load switch generation
- GB/T 15489.7-1995 滤光玻璃测试方法 化学稳定性
- JB/T 9868.2-1999 Technical requirements for bulk feed transport vehicles
- GB/T 8458-2003 Textile machinery and accessories - Knitting machine needle gauge
- HG 29801-1991 Calculation method for energy consumption and savings of electrolytic caustic soda products
- GB 2975-1982 Sampling regulations for mechanical and process properties tests of steel
- HG 3295-2001 Triadimefon wettable powder
- GBZ 134-2002 Standard for health protection of radionuclide dressing therapy
- NY 5170-2002 Pollution-free food Procambarus clarkii
- GB/T 38570-2020 Determination for ingredients of genetically modified plants—Target sequencing methods
- GB/T 9387.2-1995 Information processing systems Open Systems Interconnection Basic Reference Model Part 2: Security Architecture
- GB/T 11377-2005 Metallic and other inorganic coatings-Genenal rules for corrosion tests applicable for storage conditions
Please remember: "bzxz.net" is the combination of the first letters of the Chinese pinyin of the four Chinese characters "standard download" and the international top-level domain name ".net". ©2024 Standard download websitewww.bzxz.net Mail：[email protected]