Study on Micro-inclusions Behavior of Beam Blanks

Zhang Yaoping; Wang Shuoming; Zhang Shujiang; Zhang Caijun

Volume 30 Issue 2

Apr. 2009

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2009 > 30(2): 71-74,79

Liu Hongyun, Ma Yonghua. IMPROVEMENT OF RUNNER REFRACTORIES FOR THE B.Fs.PANZHIHUA IRON AND STEEL Co.[J]. IRON STEEL VANADIUM TITANIUM, 1994, 15(3): 45-49.

Citation:

Zhang Yaoping, Wang Shuoming, Zhang Shujiang, Zhang Caijun. Study on Micro-inclusions Behavior of Beam Blanks[J]. IRON STEEL VANADIUM TITANIUM, 2009, 30(2): 71-74,79.

Liu Hongyun, Ma Yonghua. IMPROVEMENT OF RUNNER REFRACTORIES FOR THE B.Fs.PANZHIHUA IRON AND STEEL Co.[J]. IRON STEEL VANADIUM TITANIUM, 1994, 15(3): 45-49.

Citation:

Zhang Yaoping, Wang Shuoming, Zhang Shujiang, Zhang Caijun. Study on Micro-inclusions Behavior of Beam Blanks[J]. IRON STEEL VANADIUM TITANIUM, 2009, 30(2): 71-74,79.

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Study on Micro-inclusions Behavior of Beam Blanks

1. Hebei Mining Industry Company of Steel Group, Tangshan 063000, Hebei, China;
2. School of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, Hebei, China

Received Date: 2009-01-05
Available Online: 2023-12-05
Publish Date: 2009-04-30

Abstract

Abstract

The type, magnitude, size and distribution of non-metallic inclusions in beam blanks were researched via systemic sampling and adopting metallographic analysis and SEM/EDS, and the origin of inclusions in H beam was analyzed through method of tracer.The result show that the average of T[O] is 70.8×10^-6, the volume ratio of micro-inclusions is 0.15%.Micro-inclusions mainly have three kinds: A, B and C, the total micro-inclusions contain 89.7% of A and B, the chemic elements of A and B are similar, the main difference of A and B is that they have different amount of Al, Ca.And C holds 10.3% in the micro inclusions, which has high content of S.The inclusions'size is mostly less than 10 μm.The distribution trait of inclusions in slab is mainly decided by them.
- H-beam,
- near net shape casting,
- beam blank,
- micro-inclusions,
- tracer method,
- volume ratio

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