13Cr oil tube

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We have comprehensive and flexible production ability, and progress many innovation and technology exploring. The producing difficulties of this tube are the high purity, strict mechanical property and rigorous tolerance. But at the controlling tolerance side, we break through the traditional way and add many producing procedure, such as extrusion ingot and cold work for controlling diameter etc., which ensure the tolerance within the API standard and protocol of buyer. For quality guarantee, we utilized the advantage of importing heat treatment equipment adequately, and controlled the quality stably within the desire range. Technology Raw pipe machining: Raw pipes → straightening → ends cutting → peeling → drilling → inner boring → end processing → inspection Tube processing: Annular furnace pre-heating → first induction heating → second induction heating → lubricating → extruding → air cooling Finishing: Annealing → straightening → end preparation → annealing → straightening → surface inspection → finishing → lubricating → dryness → cold rolling → normalizing → tempering → straightening → ends cutting → nondestructive inspection → final inspection → stocking. This technology and those measured data of foregoing test indicated that 13Cr tube produced by Sichuan Changcheng Tube Company can satisfy the requirement of API standard. We have the ability to provide excellent 13Cr oil tube for all the countries.

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Shanghai Best Alloy Co., LTD.

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