Large Diameter Round Copper Pipe

Large diameter round copper tube indicates the copper tube whose shape is round and whose outside diameter is equal to or more than 50mm. The largest  round copper tube that Guilin Lijia can produce is up to 120mm. We can also customize in accordance with individual customer’s special requirement. Besides it shall be supplied in several different tempers/conditions according to below  standards, such as annealed (O61), light-drawn (H55) and hard-drawn (H80).

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:

Large diameter round copper tube is intended for use in water system, air conditioning unit, surface condensers and heat exchangers, for example steam condensers, oil coolers, air coolers and similar apparatus.

Our patents:

Over 40 years’ manufacturing experience, employees working in Guilin Lijia have applied for a number of invention patents about high efficient working machines and technologies, mainly are  followings:

1. Synchronous saw of rolling machine;

2. Cleaning and wiping equipment for long tube inside;

3. Integrated equipment for annealing of nonferrous metal tube;

4. Rotary adjusting device for ultrasonic probe;

5. Furnace building and drying technique of induction furnace for copper-nickel alloy.

6. And so and so on.

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