High-grade pipeline steel finish rolling temperature stability control method

High-grade pipeline steel finish rolling temperature stability control method

The invention discloses a high-grade pipeline steel finish rolling temperature stability control method. The method comprises the following steps that pipeline steel is heated; rough rolling is carried out on the heated pipeline steel; finish rolling is carried out on the pipeline steel subjected to...

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Hauptverfasser: YANG CHENG, WANG YI, CHEN JUN, FU KAIZHONG, LI WEIPING
Format: Patent
Sprache:chi ; eng
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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creator YANG CHENG
WANG YI
CHEN JUN
FU KAIZHONG
LI WEIPING
description The invention discloses a high-grade pipeline steel finish rolling temperature stability control method. The method comprises the following steps that pipeline steel is heated; rough rolling is carried out on the heated pipeline steel; finish rolling is carried out on the pipeline steel subjected to rough rolling; finish rolling of the pipeline steel after rough rolling comprises the steps that finish rolling is carried out on the pipeline steel at a constant speed; and cooling water is started for a first rack and a fourth rack in a finish rolling rack set, and after a seventh rack bites thesteel for preset time, the cooling water is stopped. According to the high-grade pipeline steel finish rolling temperature stability control method, finish rolling is carried out at a constant speed to improve the stability of the finish rolling temperature, the cooling water between the F1 rack and the F4 rack is adopted, the strip steel head finish rolling temperature is reduced by adding waterto the F4 rack at the head
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The method comprises the following steps that pipeline steel is heated; rough rolling is carried out on the heated pipeline steel; finish rolling is carried out on the pipeline steel subjected to rough rolling; finish rolling of the pipeline steel after rough rolling comprises the steps that finish rolling is carried out on the pipeline steel at a constant speed; and cooling water is started for a first rack and a fourth rack in a finish rolling rack set, and after a seventh rack bites thesteel for preset time, the cooling water is stopped. 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subjects MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
title High-grade pipeline steel finish rolling temperature stability control method
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