1 Scope
This standard specifies the technical requirements, quality guarantee, test methods and inspection rules and requirements of delivery, packaging, handling etc. for aluminum alloy die castings.
This standard is applicable to aluminum alloy die castings.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 228 "Metallic Materials-Tensile Testing at Ambient Temperature"
GB/T 231.1 "Metallic Materials - Brinell Hardness Test - Part 1: Test Method"
GB/T 1182 "Geometrical Product Specifications (GPS) - Geometrical Tolerancing - Tolerances of Form, Orientation, Location and Run-out"
GB/T 2828.1 "Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection"
GB/T 2829 "Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)"
GB/T 6060.1 "Roughness Comparison Specimens - Cast Surfaces"
GB/T 6060.3 "Surface Roughness Comparison Specimen-Part 3: Spark-eroded, Shot-blasted, Grit-blasted, Lapped, Filed and Polished Surface"
GB/T 6414 "Castings - System of Dimensional Tolerances and Machining Allowances"
GB/T 13822 "Test Specimens for Non-ferrous Die casting Alloys"
GB/T 20975.3 "Methods for Chemical Analysis of Aluminium and Aluminium Alloys - Part 3: Determination of Copper Content"
GB/T 20975.4 "Methods for Chemical Analysis of Aluminium and Aluminium Alloys - Part 4: Determination of Iron Content - Orthopenanthroline Photometric Method"
GB/T 20975.5 "Methods for Chemical Analysis of Aluminium and Aluminium Alloys - Part 5: Determination of Silicon Content"
GB/T 20975.7 "Methods for Chemical Analysis of Aluminium and Aluminium Alloys - Part 7: Determination of Manganese Content - Potassium Periodate Spectrophotometric Method"
Foreword I
1 Scope
2 Normative References
3 Technical Requirements
4 Quality Guarantee
5 Inspection Methods and Rules
6 Delivery, Packaging and Handling of Die Castings
Appendix A (Informative) Mechanical Properties of Die Casting Aluminum Alloys
Appendix B (Informative) Additional Quantity (Plus or Minus) of Line-type Dimension under Influence of Parting Surface
Appendix C (Informative) Additional Quantity (Plus or Minus) of Line-type Dimension under Influence of Movable Mould Part
Appendix D (Informative) Tolerances of Form and Position for Die Castings