Analysis on the Blackening Surface of the Low Carbon Aluminum-killed Steel

LIU Yuzhang; DAI Xuecheng; ZHANG Xinpeng

Volume 29 Issue 4

Oct. 2008

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LIU Yuzhang, DAI Xuecheng, ZHANG Xinpeng. Analysis on the Blackening Surface of the Low Carbon Aluminum-killed Steel[J]. IRON STEEL VANADIUM TITANIUM, 2008, 29(4): 77-80.

Citation:

LIU Yuzhang, DAI Xuecheng, ZHANG Xinpeng. Analysis on the Blackening Surface of the Low Carbon Aluminum-killed Steel[J]. IRON STEEL VANADIUM TITANIUM, 2008, 29(4): 77-80.

LIU Yuzhang, DAI Xuecheng, ZHANG Xinpeng. Analysis on the Blackening Surface of the Low Carbon Aluminum-killed Steel[J]. IRON STEEL VANADIUM TITANIUM, 2008, 29(4): 77-80.

Citation:

LIU Yuzhang, DAI Xuecheng, ZHANG Xinpeng. Analysis on the Blackening Surface of the Low Carbon Aluminum-killed Steel[J]. IRON STEEL VANADIUM TITANIUM, 2008, 29(4): 77-80.

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Analysis on the Blackening Surface of the Low Carbon Aluminum-killed Steel

The Cold Rolling Mill, Baoshan Iron&Steel Co., Ltd., Shanghai 201900, China

Received Date: 2008-06-16
Available Online: 2023-12-05

Abstract

Abstract

After low carbon aluminum-killed steel was annealed in the bell annealing furnace,the filiform blackening surface of the cold-rolled steel sheet was investigated,and its micro-morphology,elemental composition,structure and generation mechanism was analyzed and discussed.The studies show that the phe- nomenon is the result of that carbon was crystallized on the sheet surface during the recrystallization annealing. The black substance causing the surface blackening is graphite.
- low carbon aluminum-killed steel,
- blackening surface,
- bell annealing furnace,
- annealing,
- cold rolled steel sheet,
- graphite

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