This standard specifies the classification and inspection items of aluminum alloy castings cast in metal molds and sand molds for rock drilling machinery and pneumatic tools. This standard is applicable to metal mold and sand mold casting aluminum alloy castings of rock drilling machinery and pneumatic tools, and is used in conjunction with JB/T 3905.
JB/T 3904-2006 Referenced Document
GB/T 228-2002 Metallic materials--Tensile testing at ambient temperature
JB/T 3905-2006 General specifications for casting aluminium alloy of rock drilling machines and pneumatic tools