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arc welded pipes Free Articles

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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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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