HG32 High Frequency Straight Seam 0.62.0mm Thickness ERW Pipe Mill The technical flow of the production line Uncoiling→Shear & butt welding→Cage looping (Accumulating)→Forming →HFwelding→Removing & ...View More
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HG32 ERW Pipe Mill High Frequency Straight Seam 0.3 2mm Thickness