PU Pre-insulated pipe shall be made of seamless, black steel pipe conforming to
API-5L or ASTM-A-53 grade B. The pipe shall be schedule 40, with
insulation and galvanized sheet metal cladding vapor barrier
Product Item: seamless pipe
Material: PU, black steel, ASTM-A-53 grade B
Standard: API-5L
Thickness: Schedule 40