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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.
Welded pipe die characteristics: mature manufacturing process, rich experience, standardized production management achievements source new sub-brand. Using Japanese NC system, high precision; 10 years of R&D and design experience, leading to solve square pipe forming surface unevenness, poor angle, pipe production process of the phenomenon of pull, wrinkle, fingerprint, mechanical lines, diagonal, concave angle; and make the shape and position tolerance roundness within 0.05 mm, square pipe diagonal does not exceed (+0.05 mm).
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
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