"extruded finned tube"

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Seamless Serpentine Steel Pipe, Snake Type Fin Steel Tube for Boiler Economizer Parts Descriptions DESCRIPTION TUBE MATERIAL FIN MATERIAL TUBE SIZE Extruded ,L-fin,G(Embedded) Aluminum Fin tube All Kind of Material can be applied Aluminum A1050, A6061, A1100, A1050,A1060,Copper C1100,C1220 12.70~50.8 High frequency Welded Finned Tube H,HH Carbon,Stainless ,Alloy Carbon,Stainless ,Alloy 12.7~219 Integral Copper&Copper Alloy High Finned Tube C12200,C11000,C70600 C12200,C11000,