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seam steel 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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Difference of JCOE welded steel pipe with high frequency straight seam steel pipe

how to Distinguish between JCOE welded steel pipe with high frequency straight seam steel pipe

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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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Difference of LSAW and SSAW

This artical will explain the difference of LSAW and SSAW in many aspects.

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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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characteristics of Submerged arc welding steel pipe

Difference of submerged arc welding steel pipe

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Comparative analysis of SSAW, LSAW, ERW Steel Pipe

Comparative analysis of SSAW, LSAW, ERW steel pipe: welding process strength characteristics static pressure blasting strength, toughness and fatigue strength

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