Copper tube, with good heat dissipation and strong practicability, is widely used. There are many types and specifications of copper pipes. Now let's talk about the classification specifications of copper pipes?

　　The classification specifications of copper pipes are as follows:

　　1： According to different welding methods, welded copper pipe can be divided into arc copper pipe, high-frequency or low-frequency resistance copper pipe, gas copper pipe, furnace copper pipe, Bondi pipe, etc.

　　Electric welded copper pipe: used in oil drilling and production and machinery manufacturing.

　　Copper tube raw material specification: furnace copper tube: it can be used as water gas tube, etc., and large-diameter straight seam copper tube is used for high-pressure oil and gas transportation, etc; Spiral copper pipe is used for oil and gas transportation, pipe pile, pier, etc.

　　2： According to the weld shape, it can be divided into straight seam copper pipe and spiral copper pipe

　　(1) Straight seam copper pipe: simple production process, high production efficiency, low cost and rapid development.

　　(2) Spiral copper pipe: the strength is generally higher than that of straight seam copper pipe. It can produce copper pipe with larger diameter with narrower blank. The raw material specification of copper pipe can also produce copper pipe with different diameter with blank of the same width. However, compared with the straight seam pipe with the same length, the weld length is added by 30 ~ 100, and the production speed is low. Therefore, straight seam welding is mostly used for small-diameter copper pipes, and spiral welding is mostly used for large-diameter copper pipes.

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