Factory For Brass Stainless Steel Copper CuNi Fin Tube for Air Conditioner Laser Welded Finned Tubes

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ASTM B280 Seamless Copper Tube for Air Conditioning and Refrigeration Field Service

ASTM B280 covers the requirements for seamless UNS C10200, C12000, or C12200 copper alloy tubes used for connection, repairs, or alternations of field air conditioning or refrigeration units. Materials in the form of billets, bars, or tubes should be used to produce a homogeneous uniform wrought structure by either hot or cold working. Each tube should be cold drawn to the finished size and wall thickness. Coiled lengths with soft annealed tempers should be bright annealed after coiling then dehydrated and either capped, plugged, crimped, or otherwise closed at both ends. Straight lengths with hard drawn tempers should be cleaned and either capped, plugged, or otherwise closed at both ends. The grain sizes, tensile properties, and eddy-current and cleanness test results should conform to the values listed herein.

Copper UNS No.    Type of Copper   

C10200                   Oxygen-free without residual deoxidants

C12000                   Phosphorus deoxidized, low residual phosphorus

C12200                   Phosphorus deoxidized, high residual phosphorus

Standard Dimensions and Weights, and Tolerances in Diameter and Wall Thickness for Straight Lengths

Standard Dimensions and Weights, and Tolerances in Diameter and Wall Thickness for Coil Lengths

Chemical Composition & Tensile Requirements

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Factory For China Laser Welded and Laser Welded Cooling Finned Tubes, Now we have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.