JB/T 9856-1999
General specifications of pressuredie-castings of cast aluminium alloys of rock drilling machines and pneumatic tools (English Version)
- Standard No.
- JB/T 9856-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2010-07
- Replace By
- JB/T 9856-2010
- Latest
- JB/T 9856-2010
- Scope
- This standard specifies the classification and level of die-casting parts, basic dimensional tolerance levels, chemical composition inspection, mechanical property inspection, casting slope of die-casting parts, die-casting threads, machining allowances, surface shape and position tolerances, cleaning, surface quality and delivery . This standard applies to die-cast aluminum alloy castings for rock drilling machinery and pneumatic tools.
JB/T 9856-1999 history
- 2010 JB/T 9856-2010 General specifications of pressure die-castings of cast aluminium alloys for rock drilling machines and pneumatic tools
- 1999 JB/T 9856-1999 General specifications of pressuredie-castings of cast aluminium alloys of rock drilling machines and pneumatic tools
