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Molecular formula :

nature : also known as steel. His section shape for the addition of steel, with its high specifications said. Ordinary I-beam points of light H-beams and wide I-beam legs. The first two I-beam current production specifications for the 10 ~ sapling. In the same height, light than ordinary legs and narrow waist thin and light weight. Wide leg of the I-beam section is characterized by parallel legs, legs of the medial no gradient. It belongs to the economic section steel is omnipotent in four roller rolling steel mill, therefore, also called the steel million. I-shape steel is widely used in construction or other metal structures.

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More Detailed Data:
1) steel I-beam (s)
2) steel
3) steel
4) steel
5) semi-steel
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