This fin type is formed from a bi-metallic tube consisting of an aluminium outer tube and an inner tube of almost any material. The fin is formed by rolling material from the outside of the exterior tube to give an integral fin with excellent heat transfer properties and longevity. The extruded fins offer excellent corrosion protection for the base tube. Maximum operating temperature for this fin type is 280°C.Specifications:1) Fin material: aluminium2) Tube materials: steel, copper, stainless steel3) Base tube O.D.: 5/8" (15.88mm) to 1 1/2" (38.1mm)4) Fin height: 1/4" (6.35mm) to 5/8" (15.88mm)5) Fin Thickness: 0.012" (0.30mm) to 0.020" (0.51mm)Note: we can offer high frequency welding spin fin tubes. For more detailed information, please check with our office for further confirmation.
Main production techniques: cold drawing, hot rollingValue added services:1) Cutting to fixed length2) U bending, tubes on coiling3) Wooden packing, plastic caps on both ends of the tubes4) Third part
Product Name: Heat Exchanger Tubes and PipesPlace of Origin: ChinaMain production techniques: cold drawing, hot rollingValue added services:1) Cutting to fixed length2) U bending, tubes on coiling3) W
Specifications:1) Grades: ST45.8, ST 52.3 BK+S2) Metric sizes:a) D.: 30 to 700mmb) Max length: 12m3) Straightness: 0.3 -1.0/10004) Tolerance (external): DIN 23935) Tolerance (internal): ISO H7 to H96)
Product Name: Honed Seamless TubesPlace of Origin: ChinaHoned tubeGrade: CK45, ST 52.3 BK +SO.D: 20 to 700mmMax. length: 12mStraightness: 0.3 -1.0/1000Tolerance EXT: DIN 2391Tolerance INT: ISO H8 to H
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