Specification Brand : Sheicon BulletPoint1 : Composition: Phosphorus: 6.80-7.50%, Copper: Remain BulletPoint2 : 1/8" x 0.05" x 16" BulletPoint3 : Melting temperature 1310-1459.4℉ BulletPoint4 : Low melting point, good fluidity BulletPoint5 : Perfect for soldering and brazing. Usually used to welding copper tube of air conditioner,refrigerator and freezer. Color : Length 13" ExternallyAssignedProductIdentifier1 : 652426009268 ExternallyAssignedProductIdentifier2 : 0652426009268 ExternallyAssignedProductIdentifier3 : 00652426009268 IncludedComponents : BD-5000T-063-POP ItemDisplayWeight : 0.5 pounds ItemForm : Rod ItemName : Sheicon Copper Phosphorus Welding Rods For Air Conditioning Refrigerator Gas Welding (0.5) ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 20 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : brazing-rods Manufacturer : Sheicon Material : metal MeasurementSystem : Metric ModelName : BD-5000T-063-POP ModelNumber : BD-5000T-063-POP NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : WERTYU78 PowerSourceType : AC/DC ProductDescription : . L201 is a copper-phosphorus binary brazing filler metal close to the eutectic composition. It has a low melting point, good fluidity, and can flow into brazing seams with small gaps. It is generally used in the electromechanical and instrument industries to braze copper and brass parts that are not subject to impact loads.
Phosphor copper welding rod is suitable for welding copper and copper pipe joints of refrigeration systems of air conditioners, freezer and refrigerators.
Phosphorus copper welding rod do not use flux when welding red copper pipes. Phosphorus is a reducing agent that can reduce cuprous oxide and generate phosphorus oxides floating on the surface of the weld. Phosphorus copper welding rod have good fluidity and self-brazing effect. All other silver-copper rod use flux.
If the heating process is slow during brazing, the copper-phosphorus solder has a tendency to segregate, so the heating speed during brazing should be as fast as possible. The color after welding is bright gray, and the color of copper will be restored by immersing in 10% sulfuric acid.