Processing method for corrosion-resistant seamless steel pipes
ZA202600224BActive Publication Date: 2026-09-30ZHEJIANG YONGSHANG SPECIAL MATERIALS CO LTD
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Patent Information
- Application Number
- ZA202600224
- Authority / Receiving Office
- ZA · ZA
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2026-01-06
- Publication Date
- 2026-09-30
- Estimated Expiration
- 2046-01-06
Abstract
The present invention discloses a processing method for corrosion-resistant seamless steel pipes, including the following steps: billet preparation, involving preparing the required billets and cleaning their surfaces; heating treatment, where the billets are heated through stages including preheating, main heating, and holding; piercing processing, which controls piercing temperature and speed, with the piercing machine employing a skew rolling method; sizing and forming followed by cooling treatment; surface treatment and finishing inspection, wherein the surface treatment method involves coating via electroplating or electroless plating.
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