Knowledge
- Brazilian iron ore export duty to be levied
- According to foreign news yesterday, the Brazilian Energy and Mines Minister DisonLobao said Brazil could begin on the iron ore export tariffs, to encourage investment in domestic steel mills, but he did not disclose the tax schedule. He a...[more]
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- The characteristics of stainless steel
- 1, chemical analysis: the chemical composition of the material for chemical analysis, chemical composition of the standard provisions. 2, air pressure. Hydrostatic test on pressure pipe branch into the What by hydraulic pressure test, do n...[more]
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- Quenched and tempered steel
- Steel Annealing The steel is heated to a certain temperature and holding time, and then it slowly cooled, is called annealing. Annealed steel is steel heated to the phase transition or part of the phase transition temperature, after a slow...[more]
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