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welded steel pipes Free Articles

GB Standard for Seamless Steel Tube

GB standard for Seamless steel tube in China

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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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ISO Standards of Steel Pipe

Mainly list the ISO standards of 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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The Technological Development Process of ERW Steel Pipes at Home and Abroad

The technological development process of ERW steel pipes at home and abroad

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ASTM Standard

For the astm standard, different material with different steel grade,besides, their mechanical properties and chemical composition, metallurgical properties are all different.

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Seamless Steel Pipe for Fluid Transportation

Fluid pipe, Seamless Steel Pipe for Fluid Transportation

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Several Common Skills in Purchasing Spiral Steel Pipes

Several Skills to Purchase Spiral Steel Pipes

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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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Advantages of SML Steel Pipe and ERW Steel Pipe

Advantages of SML steel pipe and ERW steel pipe

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Comparison of Characteristics Between ERW Steel Pipe and Spiral Submerged Arc Welded Steel Pipe

Both straight seam resistance welded steel pipes (ERW) and spiral submerged arc welded steel pipes (SSAW) can better meet the requirements of oil and gas pipelines. For medium-diameter ($630mm) steel pipes, ERW steel pipes are mostly used abroad. Spiral submerged arc welded pipes are generally only used for low-pressure fluid transmission, civil buildings, structures and piling pipes.

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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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The Difference Between Seamless Pipe And Welded Pipe

Steel pipe is a kind of hollow long steel, which is used as a pipe for conveying fluids, such as petroleum, natural gas, water, gas, steam, etc. In addition, when the bending and torsional strength are the same, the weight is light, so it is also widely used. Used in the manufacture of mechanical parts and engineering structures. Also used to produce a variety of conventional weapons, barrels, shells and so on.

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