ERW steel pipes are manufactured by low-frequency or high-frequency resistance “resistance”. They are round pipes welded from steel plates with longitudinal welds. It is used
Learn the different international standards of pipe fittings and pipe flanges. Get the exclusive purchase list.
Learn the different international standards of pipe fittings and pipe flanges. Get the exclusive purchase list.
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Since 1983, RAYOUNG has specialized in steel pipe fittings, flanges and steel pipes meeting standards for GB, GOST, EN, DIN, JIS, SANS, API, MSS, and ASME codes.