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What's is the major difference between black steel pipe and ERW steel pipe? Which is better? steel plate

ERW pipes are electric resistance welded while black pipe is forged. ERW is made of very fine hard steel, while black pipe is made of malleable steel. The use of black pipe is limited to gas line in the house and hot water circulation, while ERW Steel Pipes Based on the end user customer's requirement, ERW steel pipes and tube are available in various qualities, wall thicknesses, and diameters of the finished pipes. While manufacturing ERW steel pipes, only high-quality, continuous-cast, fully killed, control-rolled, fine-grain, low-carbon steel is used. High performance ERW steel pipes and tubing possess high strength corrosion resistance, high deformability, high strength and high toughness.
These pipes are used in fencing, line pipes, oil country tubulars, scaffolding, water and gas conveyance, structural, engineering purpose.
Which one is better depends on the requirement and usage. But ERW pipe is a superior tubing.

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