When sourcing FBE coated steel pipes, you must prioritize coating thickness, typically ranging from 300 to 600 microns depending on the application. Ensure the base steel meets international standards such as API 5L (for oil and gas) or ASTM A53/A106. The coating itself should adhere to AWWA C213 or CAN/CSA Z245.20 standards. Key performance indicators include cathodic disbondment resistance, impact resistance, and flexibility to ensure the pipe can withstand bending during installation without cracking the epoxy layer.