Hot continuous rolling production method for 508mm large-diameter extra-thick-wall seamless steel pipe

The invention discloses a hot continuous rolling production method for a 508mm large-diameter extra-thick-wall seamless steel pipe. The method comprises the following steps that 1) a blank is put intoan annular heating furnace for heating; 2) when the temperature of the blank is increased to 1230 DE...

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Bibliographische Detailangaben
Hauptverfasser:	LONG JINHUA, LI BOWANG, LU CHAO, SONG YONGCHEN, SANG AIMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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