Soft Annealed Copper Tubing

Soft annealed copper tubing indicates the copper tubing whose temper or condition is soft and annealed. It is one type of copper tubing suitable for flare connections. It can be bent easily to travel around obstacles in the path of the tubing. While the work hardening of the drawing process used to size the tubing makes the copper hard or rigid, it is carefully annealed to make it soft again. We can customize in accordance with individual customer's special requirement.

Alloy and production standard:

C11000, C12000, C12200 (ASTM B111 or ASME SB111)

Cu-ETP, Cu-DLP, Cu-DHP (EN12451 or EN12449)

C102, C106 (BS British Standard)

C1100, C1201, C1220 (JIS Japanese Industrial Standards)

Chemical composition:

Cu≥99.90~99.97

Dimension/size:

Outside diameter range : 3.5mm~120mm

Wall thickness range : 0.3mm~15mm

Maximum length: 24 meters

Field of application:

Soft annealed copper tubing is the most popular choice for refrigerant lines in split-system air conditioners and heat pumps, for example, household refrigerators, industrial freezers, and cryogenics and so on.

Our service:

Guilin Lijia has professional Quality Control department, issuing test certificates for our qualified products in accordance with relevant standards. We also have experienced inspectors and professional inspection equipments, such as spectrum analyzer introduced from Switzerland, metallographic microscope, eddy current flaw detector, ultrasonic flaw detector, tension tester, hardness tester and hydrostatic testing machine etc.

If products have any problems, customers provide indubitable evidence, such as samples and pictures etc., QC department will handle the claim accordingly.

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