12m 3PE Coated LSAW Straight Seam Welded Pipe High Frequency API 5L X52 Pipe

Welded steel pipe:

API 5L X52 straight seam steel pipe introduction:

1. API 5L: API 5L is the pipeline standard developed by the Petroleum Institute.

2, X52: X52 is a steel class in the standard steel pipe. The steel grades in API 5L mainly include: A, B, X42, X46, X52, X56, X60, X65, X70, X80, X90, X100, X120, etc. He basically named it with a capital X plus the small yield strength of the material. Of course, different steel grades are not only different in yield strength, they are very different in manufacturing process, chemical composition, physical properties, inspection methods and so on

API 5L X52 straight seam steel pipe can be divided into high frequency straight seam steel pipe and submerged arc welding straight seam steel pipe according to the production process. Submerged arc welded straight seam steel pipe is divided into UOE, RBE and JCOE steel pipe according to its different forming ways.

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Matters needing attention in storage of straight seam steel pipe

1, straight seam steel pipe in storage before attention should be paid to prevent rain or mixed with impurities, the straight seam steel pipe has been wet or polluted according to its properties using different methods to wipe, such as high hardness of steel wire brush, low hardness of cloth, cotton and other things.

2. Straight seam steel pipe should be checked regularly after storage. If there is rust, it should be rusted layer.

3, straight seam steel pipe surface in net, do not need to be coated with oil, but for steel, alloy thin steel plate, thin wall pipe, alloy steel pipe, rust removal of its internal and external surface should be coated with anti-rust oil before storage.

4. Straight seam steel pipe with serious corrosion should not be kept for a long time after rust removal and should be used as soon as possible.

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