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Stainless Steel’s Advantages of Energy-saving and Ejection-decreasing
Date of Announcement: 2010-08-19 Times of Clicking: 4756

The stainless steel is a kind of energy-saving and ejection-decreasing product with obvious benefits and a kind of product that can effectively prevent “global warming and greenhouse effect”. The specific practice is to replace the ordinary carbon steel and show the stainless steel’s superiority of “energy-saving and ejection-decreasing” through comparison with the ordinary carbon steel.

Firstly in the course of the production, compared with the ordinary carbon steel, the stainless steel owns obvious effect of energy-saving and ejection-decreasing. Generally speaking, in the course of the steel and iron production, the steel/ton’s comprehensive energy consumption adopting the stainless steel short-procedure process from the electric heater’s dissolving steel to the stainless steel’s rolling to the coil product is 280kg, however, the steel/ton’s comprehensive energy consumption adopting the ordinary carbon steel’s long-procedure from the iron-making system to the ordinary carbon steel’s rolling to the coil is 625kg. The short-procedure production of stainless steel saves over 55% of energy than the long-procedure production of carbon steel. The steel/ton’s CO2 emission with stainless steel’s short-procedure process from the electric heater’s dissolving steel to the stainless steel’s rolling to the coil product is 507kg, however, the steel/ton’s CO2 emission with the ordinary carbon steel’s long-procedure from the iron-making system to the ordinary carbon steel’s rolling to the coil is 1, 860kg.

The short-procedure production of stainless steel decreases over 72% of CO2 emission than that by the long-procedure production of carbon steel.

Secondly in the field of application, the stainless steel’s superiority is more obvious. Because the stainless steel is boutique in the steels with the characteristics of stainlessness, corrosion resistance, aesthetics and high strength and 100% recoverability, etc, in actual application, it can further show its social result of energy-saving and ejection-decreasing. For instance, compared with originally generally used open freight car, the wagon’s production stainless steel of the new stainless steel struck can reduce 15% of the initial steel consumption and the whole life cycle can reduce 55% of the steel consumption. Calculated by the steel consumption per ton of coal in the life cycle, it can be saved by over 75%. Thus, every production raising of one ton of stainless steel can replace over four tons of carbon steel. Just considered from this factor of steel saving from the stainless steel and the application process, the stainless steel can save 84.25% of energy than the ordinary carbon steel and decreases 87.16% of CO2 emission.

Further considering the stainless steel’s application in nuclear energy enables the nuclear energy’s promotion possible and further decreases the CO2 emission compared with the thermal power. Its application in the water drainage system further decreases the CO2 emission through reducing water pollution and wasting. The stainless steel’s effect of “energy-saving and ejection-decreasing” and preventing “greenhouse effect” is much greater in its applications in water treatment, seawater desalination, clean food, improving energy efficiency and 100% recoverability, etc.

If the stainless steel’s past application in many aspects is considered from high-quality and beauty, etc and needed by the living standard’s improvement but it is not people life’s indispensable necessity, so, considered from the new viewpoint of “energy-saving and ejection-decreasing” and preventing “greenhouse effect”, the stainless steel should be the whole humanity’s life necessity for the continuous development.

In one word, the stainless steel is the product with obvious effect of “energy-saving and ejection-decreasing” and the product helpful for preventing “global warming and greenhouse effect”. Therefore, our country’s greatly developing the stainless steel industry not only conforms to China’s state benefits but also conforms to the whole humanity’s benefit of decreasing the CO2 emission and preventing “global warming and greenhouse effect”.