The item ID for Semimetal Wafer is 00246B6D
These are the spawn commands to give yourself Semimetal Wafer in Starfield.
Example spawn commands
Copy the command below and paste it into your Starfield game or server admin console to obtain.
Add item command: This command will spawn Semimetal Wafer in your inventory.
Place at me command: This command will spawn Semimetal Wafer in front of you.