Both are available in carbon steel and stainless steel. Welded pipe is also called ERW (Electric Resistance Welded) pipe. Most common specification for welded...
2022年10月14日 — The biggest difference between ERW pipe and seamless steel pipe is that ERW pipe has weld seam, which is the same as welded steel pipe, but...
2014年10月21日 — ERW pipe surface quality is much better than the seamless steel pipe . In terms of corrosion ERW can last longer than seamless pipe roughly 3-4...
The name indicates the difference in the basic manufacturing method. Seamless pipe is extruded or drawn from a billet, whereas welded pipe is formed from a...
2015年5月12日 — ERW refers to a specific type of welding process that involves both spot and seam welding. Seam welding is commonly used during the manufacturing of round,...
2021年3月6日 — ERW pipe is manufactured by rolling metal and then welding it longitudinally across its length. Seamless pipe is manufactured by extruding the metal to the...
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