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Welded pipe mould includes: round pipe, square pipe, plum blossom pipe, flat pipe, elliptical pipe, sector pipe, polygonal pipe, single and double groove pipe, door frame pipe, special-shaped pipe and so on.

Tube type specification (mm) material tolerance range (mm) hardness range
Round tube 5- 325 Cr12MoV/SKD11 roundness: +-0.05 60-63HRC
Square tube F10xF10-F300xF300 Cr12MoV/SKD11 Flatness: +-0.04 4 60-63HRC
Special shaped tube F10xF10-F100xF300 Cr12MoV/SKD11 Flatness: +-0.04 4 60-63HRC