What harm does salt spray corrosion cause to passivation film on the surface of stainless steel plate?

Salt spray corrosion will destroy the passivation film on the surface of the stainless steel plate, so that the decorative nature of the plate will be lost, and the mechanical strength of the material will be reduced. Some electronic components ...

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Canada PM won’t attend USMCA signing

USMCA, the renewed and renamed pending trade agreement, between the United States, Mexico and Canada, signing is to take place on November 30th. But Canada’s Prime Minister Justin Trudeau will not attend the event if the steel and aluminum tariffs ...

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What are the factors that affect the quality of bright annealing of stainless steel pipes?

After annealing the stainless steel pipe, the brightness of the pipe determines the quality of the product. There are many influencing factors. This paper gives the following 5 relatively important factors. The first is whether the annealing temperature is up ...

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China steel marks second weekly fall amid ample supply

China’s steel futures edged lower on Friday and posted their second weekly drop amid signs that steel output in the world’s top producer will remain high, pushing prices of raw material iron ore to a one-week peak. The most actively ...

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Steel industry co-products

The World Steel Association has published a position paper on the steel industry’s use of co-products. Co-products are valuable materials produced alongside or as a consequence of the production of steel. For example, process gases are used as sources of ...

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China steel heads for second weekly fall amid ample supply

China’s steel futures edged higher on Friday, but were on course for their second weekly drop amid signs that steel output in the world’s top producer will remain high. Prices of steelmaking raw materials rose, with iron ore hitting a ...

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Aluminum Prices Fall After Supply Concerns Ease

The November Aluminum Monthly Metals Index (MMI) fell this month back to June 2017 levels, before MetalMiner called a bull market for aluminum. The current Aluminum MMI index stands at 88 points, three points lower than last month’s reading. LME ...

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Several defects and solutions occurred during the welding of stainless steel plate

When stainless steel plates are welded, defects often occur. The causes of these defects are different. This article describes some of the defect classification and avoidance methods. Stoma The pores formed by the stainless steel plate weld can be divided ...

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Severstal may borrow to finance new capex surge

Russian steelmaker Severstal will ramp up investments by 75% next year, a decision which may require borrowing. Severstal’s CFO Alexey Kulichenko said “A significant proportion of the investment is related to cost savings including putting conveyor belts in our iron ...

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WTO rules against India’s safeguard duty on hot rolled steel

India lost a major trade dispute at the World Trade Organization, after a dispute settlement panel largely upheld Japan’s complaint that New Delhi’s imposition of safeguard duty on imports of hot-rolled steel flat products during September 2015 and March 2018 ...

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