How to check medium and thick aluminum plates

The items to be inspected include chemical composition, internal structure, mechanical properties, surface quality, shape and size.

The items randomly sampled for physical and chemical testing include chemical composition, internal structure, and mechanical properties.

According to the process quality control requirements, the first material inspection, intermediate spot check and final material inspection items include surface quality, shape and size.

When inspecting finished products, a full inspection must be carried out in accordance with technical standards.