Is the chemical composition of die-casting aluminum alloy detected by test bar or blank?

Aluminum die casting will be used in the production of aluminum and aluminum alloy products, and the quality of aluminum die casting determines the quality of aluminum alloy parts. Therefore, the processing quality of aluminum die casting is particularly concerned. In this respect, there are also very strict standards in the industry to test the chemical composition and mechanical properties of aluminum die casting.

Chemical composition of 1

1. 1 The inspection method, inspection rules and re-inspection of the chemical composition of aluminum alloy shall comply with GB/T 15 1 15.

Samples with chemical composition of 1.2 can also be taken from die castings, but they must conform to GB/T 15 1 15.

2 mechanical properties

2. 1 The inspection method, frequency and rules of mechanical properties shall comply with GB/T1515.

2.2 When the die casting body is used as a sample, the size and test form of the cut part shall be determined by both the supplier and the buyer.

3 The inspection of geometric dimensions of die casting can be carried out according to the sampling of inspection lot or the provisions of GB2828 and GB2829, and the inspection results should comply with the provisions of 3.3 of this standard.

4. The surface quality of die castings shall be inspected one by one, and the inspection results shall conform to the provisions of this standard.

5 The surface roughness of die castings shall be implemented according to GB/T6060. 1.

6 The surface of die casting to be polished shall meet the requirements of GB/T 6060.4.

7 The surface of die castings requiring shot peening and sand blasting shall be implemented in accordance with GB/T 6060.5.

The inspection methods and rules of internal quality of die casting can include X-ray photos, nondestructive testing tests, metallographic photos, die casting profiles, etc. , the test results should comply with the provisions of this standard 3.4.6.

9 Other test methods and inspection rules shall be implemented according to GB/T 15 1 14.