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We have new significant A588 Grade A corten steel coil projects in Nigeria. It is about crude oil storage tanks. With the development of our steel materials business in the Africa those years, Nigeria has been an important market to us. And we have many A588 Grade A corten steel coil famous projects in local and also participated in a lot of governmental projects. This crude oil storage tanks project is a very big engineering, and lasts for years. This is the only initial stage. We are under negotiation about following installation and further demands etc. matters.
A588 Grade A corten steel coil controlled rolling is that, on the basis of adjusting the chemical composition of A588 Grade A corten steel coil, by controlling the heating temperature, rolling temperature, deformation system and other process parameters, the change law of austenite structure and the microstructure of phase transformation products are controlled, so as to achieve the purpose of refining the structure and improving the strength and toughness of A588 Grade A corten steel coil.
Q/BQB 310-2009 cold formed hot rolled automotive structural steel
Chemical composition (melting analysis)%
C: ≤0.12, Si: ≤0.35, Mn: ≤1.60, P: ≤0.03, S: ≤0.025, Ti: ≤0.22, Nb: ≤0.09, Al: ≥0.01
Mechanical properties of QSTE460TM steel
Yield strength MPa: ≥460
Tensile strength MPa: 520-670
On November 1st, our company organized some of company staff to visit Zhengzhou Children Welfare Institute, and gave children cookies and toys, as well as concerns to the Children. With the development of the society, disabled children gets increasing concerns and help from all walks of life. Fortunately, Chinese Government gives high concern to the handicapped children and has built Children Welfare Institutes all over the country to guarantee their lives.