Posts by author:

Steel GRIPS

Posts by Steel GRIPS

Corinth Pipeworks – Modernized HF tube welding line goes into operation

November 2, 2009

The world’s first 26“ longitudinally welded pipe (HFI) have been produced in the Thisvi Pipeworks in Greece, Corinth Pipeworks S.A. by using the High-Frequency-Induction Process.

Read the full article →

World´s largest Assel mill in commissioned at Hubei Xin Yegang, China

October 29, 2009

Hubei Xin Yegang Special Tube Co. Ltd., China, has successfully rolled the first tube on the world’s largest Assel mill. The Tubes will be used predominantly for structurals.

Read the full article →

Stainless steel prices unsettled due to volatile input costs

October 29, 2009

The steady rise in austenitic stainless steel transaction prices in Europe over the past five months has been arrested – mainly due to a reduction in …

Read the full article →

EU average steel price down 2.5 % in October

October 27, 2009

An ongoing lack of end-user demand is creating negative price pressure in the EU market. Restocking by the distributors caused a …

Read the full article →

Global crude steel production in 2009 to drop by 9.5 percent

October 27, 2009

MEPS forecasts global steel production at 1200 million tonnes in 2009. This represents a 9.5 percent reduction on the outturn in the previous twelve month period. This result will be significantly above predictions by most pundits earlier in the year but in line with …

Read the full article →

Simulation studies on the quenching process in QST steel rounds

October 23, 2009

The paper discusses the quenching simulation of various sizes of rounds to assess the inter-relationship between the size of rounds, the heat transfer coefficient and the volume fraction of a given steel composition precipitating below Ms (martensite start) temperature. Finite element method (FEM) was used for heat transfer simulations. Parametric studies were carried out to analyze the heat transfer coefficient necessary for achieving different volume fractions of precipitates below Ms temperature.
Such an analysis can be used as a tool in the design of cooling systems for achieving higher grades of quenched and self tempered (QST) rounds, as well as for selecting those sizes of rounds which, under a given cooling regime, are suitable for this objective.

Read the full article →

← Previous Entries

Next Entries →