Manufacturing method of ferritic stainless steel seamless pipe with small diameter

This invention relates to a process method to make stainless steel tube without gap, which comprises the following steps: providing the required steel ingot; forging; heating tube blank; drilling and rolling; processing the rolling, empty sinking, cold-drawing; again empty sinking, final product ann...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	QINGLIAN YU
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING CHEMISTRY ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAMMERING HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PIPES PRESSING METAL PUNCHING METAL RIVETING ROLLING OF METAL SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	This invention relates to a process method to make stainless steel tube without gap, which comprises the following steps: providing the required steel ingot; forging; heating tube blank; drilling and rolling; processing the rolling, empty sinking, cold-drawing; again empty sinking, final product annealing and final product making.