Product Number: 3965

Material: SMF5030

Result:

1. Nickel-rich area

2. Pearlite

3. Ferrite

4. Bainite

The above microstructures are good, and the hardness is HRB85, which is acceptable.

Code 298

Product number: 5550

Microscope magnification: 200x

Result:

1. Ferrite. 2. Nickel-rich area. 3. Pearlite. 4. Martensite.

The microstructure is good, with a hardness of HRB 85, meeting the requirements.

Code 299