Quality control

Quality inspection of stainless steel castings is an important step to ensure that the product meets the prescribed standards and requirements. The following is the general stainless steel casting quality inspection process and equipment that may be used:

external assessment:

Visual inspection: Check the appearance of the casting, including surface flatness, absence of cracks, pores, etc.

Radiation Inspection: Uses X-rays or gamma rays to detect internal defects that are difficult to observe visually.

Size detection:

Coordinate measuring machine: used to measure the geometric dimensions of castings to ensure that they meet design requirements.

Projector: Used to check the flat dimensions and contours of castings.

Chemical composition testing:

Spectrometer: Used to analyze the chemical composition of stainless steel castings to ensure that they comply with the specified alloy composition.

Chemical analysis methods: Can be performed by wet or dry methods.

Mechanical performance test:

Tensile testing machine: used to test mechanical performance parameters such as tensile strength, yield strength, elongation, etc. of castings.

Impact testing machine: used to test the impact toughness of castings.

Hardness Testing:

Rockwell Hardness Tester: Used to measure the hardness of castings to evaluate their wear resistance and strength.

Non-destructive testing:

Ultrasonic Inspection: Detection of internal defects in castings using ultrasonic waves.

Magnetic particle inspection: used to detect cracks on the surface and near surface of castings.

Temperature and environment detection:

Thermometer and hygrometer: Used to monitor the temperature and humidity of the casting environment to ensure that casting is carried out under suitable conditions.

Packaging inspection:

Outer packaging inspection: Ensure that the castings are not damaged during transportation, including checking whether the packaging is intact and moisture-proof, etc.

File record:

Quality inspection report: Record the inspection results of each casting, including test data of various physical and chemical properties.

Please note that specific inspection processes and equipment selections may vary based on different standards, specifications, and project needs. In actual operations, the corresponding national or industry standards should be followed, and the testing process should be adjusted according to specific circumstances.