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Steel GRIPS

Posts by Steel GRIPS

Study on the influence of process parameters on mechanical properties and pitting corrosion of dissimilar AISI 304 to AISI 4140 continuous drive friction welds

January 19, 2011

Most of the difficulties arising in power plants originate from the failures of welded joints between different steel grades, especially of different corrosion resistance. The defects in welds arise due to carbon migration from low-alloy steel to auste…

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World steel price to top $US 1000 per tonne

January 17, 2011

World Average Carbon Steel Price is forecast to exceed $US 1000 per tonne in the third quarter, according to preliminary analysis by the company. This figure compares with an annual average in 2010 of …

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Characterisation of laser-beam treated stainless steels

January 17, 2011

The effects of lasing parameters, like laser power, scan rate and atmosphere on the depth, microstructure and microhardness
profiles of the remelted zone in laser-beam treated surfaces of 316, 304 and 304L stainless steels were compared. The remelted a…

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Microstructural evolution in a plasma nitrided commercial low-carbon steel and its electrochemical corrosion behaviour

January 16, 2011

Plasma nitriding of low-carbon steel with mass contents of 0.054 %C and 0.18 %Mn has been carried out under glow discharge
nitrogen plasma at three temperatures viz. 500, 450 and 400 °C for 5 h to identify treatment conditions conducive for
the high u…

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Statistical design to optimize nitriding of low-carbon ferrochrome using gas-solid interaction

January 14, 2011

Gas-phase nitriding of solid low-carbon ferrochrome was investigated. An experimental design, i.e., Box-Behnken, was used to study the effect of reaction time, nitriding temperature and nitrogen gas pressure on the nitriding of low carbon ferrochrome. …

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Raise of product quality at Huaigang, China

January 10, 2011

Huaigang special steel Co. Ltd. (HSS), a company of the Chinese Jiangsu Shagang Group, will modernize their existing rod and bar mill. The target of this modernization, is to raise the product quality in order to strengthen …

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