1 Scope
This standard specifies the classification, technical requirements, test methods and inspection rules as well as marking, packaging, transportation and storage of aluminum alloy castings.
This standard is applicable to aluminum alloy castings produced by sand mold casting and special casting (excluding die casting).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 1173 Casting aluminium alloy
GB/T 6414 Castings - System of dimensional tolerances and machining allowances
GB/T 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys
GB/T 11351 Mass tolerances for castings
GB/T 15056 Casting surface roughness - Appraising method
GB/T 20975 (All parts) Methods for chemical analysis of aluminium and aluminium alloys
HB 6578 Standard reference radiographs for inspection of aluminum and magnesium alloy castings
HB/Z 61 Penetrant testing
JB/T 7946.3 Cast aluminum alloys pinhole
3 Classification of castings
See Table 1 for classification of castings.
Foreword i
1 Scope
2 Normative references
3 Classification of castings
4 Technical requirements
5 Test methods
6 Inspection rules
7 Marking, packaging, transportation and storage