Foreword
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by and is under the jurisdiction of National Technical Committee on Foundry of Standardization Administration of China (SAC/TC 54).
Aluminum alloy wheel castings for passenger car
1 Scope
This standard specifies the technical requirements, test methods and inspection rules as well as marking, packaging and transportation of aluminum alloy wheel castings for passenger car (referred to as “castings”).
This standard is applicable to aluminum alloy wheel castings for passenger car cast using metal mold.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated reference, 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 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys
GB/T 15056 Casting surface roughness - Appraising method
GB/T 20975 (All parts) Methods for chemical analysis of aluminium and aluminium alloys
GB/T 23301 Casting aluminum alloy for automobile wheels
HB 6578 Standard reference radiographs for inspection of aluminum and magnesium alloy castings
3 Technical requirements
3.1 Chemical composition
The chemical compositions of castings shall meet those specified in Table 1.
Foreword i
1 Scope
2 Normative references
3 Technical requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, storage and transportation