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straight seam steel pipes Free Articles

Manufacturing Technology of Large Diameter LSAW Steel Pipe

Process methods and characteristics of international pipe-making technology. The forming methods for producing large-diameter LSAW steel pipes abroad include: UOE forming method, CFE row roll forming method, RBE roll forming method, JCOE forming method, C forming method, PFP gradual folding Bending forming method, etc.

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Acceptance Standard of ERW,LSAW Straight Seam Steel Pipe

Acceptance Standard of ERW,LSAW Welded Pipe

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The Advancement and Superiority of Longitudinal Submerged Arc Welded Pipe

The advancement and superiority of Longitudinal submerged arc welded pipe(LSAW)

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Differences Between Seamless Casing and ERW Casing

According to the manufacturing method, the steel pipe can be divided into two categories: seamless steel pipe and welded seam steel pipe. Among them, ERW steel pipe is the main variety of welded steel pipe. Today, we mainly talk about two kinds of steel pipes used as raw materials for petroleum Casing pipe: Seamless casing and ERW casing.

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Diameter Expansion and Rust Removal of Straight Seam Steel Pipe

Diameter expansion and rust removal of LSAW steel pipe

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Advantages and Disadvantages of Straight Seam Steel Pipe

Straight seam steel pipes can be divided into high frequency straight seam steel pipes (ERW Pipe) and submerged arc welded straight seam steel pipes (LSAW Pipe) according to the production process.

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Classification and Surface Treatment Methods of Straight Seam Steel Pipes

ERW steel pipes have been widely used as the main steel pipes in urban pipeline networks. Currently, ERW high-frequency straight seam steel pipes account for 60% of the world's steel pipe use ratio.

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The difference between different specifications of straight seam steel pipe

There are many types of steel pipes, which can be divided into straight seam steel pipes and spiral steel pipes according to the welding method. Because the two steel pipes have different welding methods, the performance is also different.

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Matters Needing Attention in the Storage of Straight Seam Steel Pipes

Matters needing attention in the storage of straight seam steel pipes

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LSAW Steel Pipe Symbol And Acceptance

An outer diameter less than 36mm of LSAW steel pipe and shaped cross-section perimeter is less than 150mm of LSAW steel pipes, from time to print in mind. 2 outside diameter not less than 36mm of DSAW steel pipe and the cross-section shaped perimeter not less than 150mm of LSAW steel pipe, straight seam should be at each end of the pipe ends are printing, stamping, roll printing, stamp or mark paste . Mark should be clear and obvious, not falling. Mark should include the steel grade, the product rules Cells, production and supply-side ma

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Processing Technology of Straight Seam Steel Pipe

Processing Technology of Straight Seam Steel Pipe(LSAW/ERW)

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LSAW Steel Pipe Rust Method

In the oil and gas pipeline anti-corrosion construction process, LSAW steel pipe anti-corrosion surface treatment is to determine the life of one of the key factors, it is LSAW steel pipe anti-corrosion layer and whether the combination of a solid premise

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