Category: ‘Steel’

Maraging Steels

July 5, 2011

Maraging steels are a class of high-strength steel with a low carbon content and the use of substitutional (as opposed to interstitial) elements to produce hardening from formation of nickel martensites. The name maraging has ... Read More...

Notes on alloying elements

July 5, 2011

Aluminium Range 0-2%..This increases resistance to oxidation and scaling, aids nitriding and restricts grain growth. Chromium Range 0,3% to 4% ..Improves wear, oxidation and scaling resistance and hardenability but increase... Read More...

Relative effect alloying elements

July 5, 2011

The combined effect of alloying elements results from many complex interactions resulting from the processing history, the number and quantities of constituents, the heat treament, the section shape etc etc..  Some basic rule... Read More...

Effect of alloying elements

July 5, 2011

Elements may encourage formation of graphite from the carbide.  Only a small proportion of these elements can be added to the steel before graphite forms destroying the properties of the steel, unless elements are added to c... Read More...

Carbon Alloy Steel

July 5, 2011

Carbon steels usually contain less than 1,2% carbon and small quantities of manganese, copper, silicon, sulfur, and phosphorus    Alloy steels are carbon steel with other metals added specifically to improve the properties o... Read More...

Sandvik Mining and Construction signs project order in South America

July 2, 2011

Sandvik Mining and Construction has signed a major materials handling contract with a major mining company in South  America. The contract value exceeds 1,200 MSEK and will be executed and contribute to SMC business during t... Read More...

Issue of Global Exchangeable Bonds

July 2, 2011

The board of directors of POSCO resolved to issue Japanese Yen-denominated zero-coupon bonds exchangeable into ADRs of SK Telecom Co., Ltd., through a placement to investors in Europe and Asia. The aggregate principal amount of... Read More...

Nippon stainless steel corporation delay to restart their stainless steel bright annealing line

July 2, 2011

According to foreign media reports, in consideration of the future may be limited power in eastern Japan, Japan's largest steel companies - Nippon stainless steel corporation (NSSC) will delay the restart of its stainless steel ... Read More...

The merger application of Nippon Steel and Sumitomo Metal into the second round of review

July 2, 2011

The  merger application of Japan's Nippon Steel and Sumitomo Metal Industries Group just pass the  period of 30 days  first round of review to the Committee. The second phase of the review will start from 1th July.  Two co... Read More...

Economic decline in the steel industry and non-ferrous metal

July 2, 2011

The monetary tightening measures  cause the  economic growth  expected decline has begun to affect China's iron  steel and some non-ferrous metals boom of the industry. From relevant sources,   the purchase enthusiasm  of... Read More...

  • Archives