Morphology and centerline macrosegregation in continuously cast high carbon steel billet samples were investigated in order to establish the casting behavior of a six strand curved mold billet caster without electro-magnetic stirring. Several billet samples were collected from the continuous casting shop of Tata Steel…

new continuous casting technologies compared to the other parts of the world, especially at the integrated steel producers. ... A recent trend in North America is the making of next generation Advanced High Strength Steel (AHSS) for ... or Ultra Low Carbon steel grades.

Method for the continuous casting of high-carbon steels to produce thin slabs, these steels being characterised by a content of carbon greater than 0.50%, in which method the taper of the mould at least in its first segment having to be between 1.5% and 4% per metre, the frequency of oscillation of the mould being between 180 and 350 oscillations per minute with a travel upwards and downwards ...

continuous casting is operated at high temperature above the steel melting point, therefore, the measurement of temperature, stress and solidification shrinkage is almost impossible. A full– scale physical simulation is also very difficult and expensive. Based on intensive research on continuous casting…

of casting experience, cold steel temperature is not a major factor in high carbon silicon killed steel caster nozzle clogging. Most steel temperature problems occur due to false temperature readings, …

Continuous casting has several advantages but it is also a process that needs distinct resources. This is the reason why this process is employed only in industries that require high yield of steel cast. The metal is first liquefied and poured into a tundish, which is a container that leads to the mold that will cast the steel.

Continuous casting of high-carbon steel containing 1% carbon tends to be operated with low mold flux consumption, resulting in insufficient lubricity. In this study, a mold flux was developed by increasing the viscosity to form a glassy film easily and improve the …

Jan 01, 2017· As known, carbon content directly influences the steel melting temperature, ranging from 1521 °C in low-carbon steel (0.2%C) to 1486 °C in high-carbon steel, as given in Table 1. The awareness of the liquidus temperature and steel temperature control in the refining and casting processes is essential to ensure the continuity of the productive ...

Carbon cast steel. Like wrought steels, carbon cast steels can be classified according to their carbon content. Low carbon cast steel (0.2% carbon) is relatively soft and not readily heat-treatable. Medium carbon cast steel (0.2–0.5% carbon) is somewhat harder and amenable to strengthening by heat treatment. High carbon cast steel (0.5% ...

Jun 12, 2014· Superheat was one of the most fundamental factors recognized from the early years of continuous casting especially for medium and high carbon steels. In an early report , pilot plant tests were performed casting 150 x 150 mm x mm billets of high carbon steels. It was proven that at low superheats or even sub-liquidus casting temperatures, the ...

changing casting speed if the need arises or for changing the nozzle if erosion, cracking or clogging occurs. Open casting means no steel jet protection during transfer from ladle to tundish and from tundish to molds, with an exception for low carbon steel…

Carbon Steel Casting Manufacturer & Exporter. As the leading investment casting supplier, CFS foundry can make carbon steel castings in all carbon steel alloys. Common used material grades of carbon steel castings in our company are AISI 1010, AISI 1020, AISI 1035, AISI 1045, AISI 1060, ect.

new continuous casting technologies compared to the other parts of the world, especially at the integrated steel producers. ... A recent trend in North America is the making of next generation Advanced High Strength Steel (AHSS) for ... or Ultra Low Carbon steel …

Continuous casting is used to solidify most of the 750 million tons of steel produced in the world every year. Like most commercial processes, continuous casting involves many complex interacting phenomena. Most previous advances have been based on empirical knowledge gained from experimentation with the process.

tons of steel monthly, and, hence, the cycle time is short. Fig. 1 shows the relationship between the number of charges of IF steel subject to continuous RH treatment and the carbon concen-tration of the steel after treatment. It can be seen from the figure that the carbon …

Jan 20, 2018· 1.This slide is about causes of breakouts during continuous casting of steel and remedies about the same 2. ... between 70-80 °C and should be stirred after certain period of time Casting Powder addition should not be too high because free carbon …

To estimate the quality condition in continuously cast steel slabs, simple but accurate macrosegregation criteria have been proposed. The formation of macrosegregation phenomena in continuous casting of peritectic carbon steels has been investigated by metallographic study of collected slab samples.

The solidification of high carbon tire cord grade C80D cast as a 150x150 mm billet is calculated using the proprietary SMS Group solidification simulation package CHILL using steel properties calculated with the Thermo-Calc software package and TCFE steels database. Read the paper: Continuous Casting of High Carbon Steel…

Feb 22, 2012· During the last decades, the continuous casting process has made enormous advances and more than 90% of the world steel production is now continuously cast [].In this process, the liquid steel …

May 29, 2014· thermo-mechanical behavior of solid shell in continuous casting of steel. This is to avoid breakouts and the pos-sibility to avoid interdendritic crack formation with maximization the casting speed. Zhu andKumar [8], have ... grades examined were cast tool steel, with carbon …

Morphology and centerline macrosegregation in continuously cast high carbon steel billet samples were investigated in order to establish the casting behavior of a six strand curved mold billet caster without electro-magnetic stirring. Several billet samples were collected from the continuous casting shop of Tata Steel, India and experimental observations were correlated with the operating ...

Nov 12, 2019· A paper published in IOP Conference Series: Materials Science and Engineering investigates various fundamental concepts that are at play during the solidification of continuously cast steel billets at different cooling rates. The simulations in the paper, Continuous Casting of High Carbon Steel: How Does Hard Cooling Influence Solidification, Micro and Macro Segregation?, were …

High speed continuous casting of low carbon steel billets

Feb 04, 1997· We claim: 1. Method for the continuous casting of high-carbon steels having a carbon content greater than 0.50% to produce thin slabs, comprising continuously casting the high-carbon steel through a mold having a taper at least in its first segment between 1.5% and 4% per meter while oscillating the mold, the frequency of oscillation of the mold being between 180 and 350 oscillations …

Continuous Casting of Carbon Steels Panagiotis Sismanis SIDENOR SA Greece 1. Introduction In recent years the quest for advanced steel quality satisfying more stringent specifications by time has forced research in the development of advanced equipment for the improvement of the internal stru cture of the continuously cast steels.

Modeling on Dendrite Growth of Medium Carbon Steel during Continuous Casting W. Guo Department of Material Sciences and Engineering, Missouri University of Science and Technology (Missouri S&T), …

Steel - Steel - Continuous casting: About 55 percent of the world’s liquid steel production is solidified in continuous casting processes, the most widely used of which feeds liquid steel continuously into a short, water-cooled vertical copper mold and, at the same time, continuously withdraws the frozen shell, including the liquid steel it contains.

Nov 17, 2015· Continuous Casting. Continuous casting of tool steel is sometimes done for economic reasons. Following casting, the billets are annealed and sometimes ground, then forged by hammer or rotary, after which they can be rolled. Electroslag rapid remelting (ESRR) is a modern process which runs at higher temperatures than ESR. Powder Metallurgy

3. Present State of High-speed Continuous Casting of Steel Slab 3.1. Trend of Casting Speed of Conventional Slab Continuous Caster We will survey the present state of high-speed casting in a conventional slab caster. The trend of the casting speed is shown in Fig. 310)for the conventional slab casters in Japanese steel companies.

Dec 12, 2018· The billet continuous casting machine can be designed as curved and vertical-bend according to the users requirements. It can cast carbon steel, alloy steel and special steel, such as stainless steel.

3. High carbon steel. High carbon steel has a carbon range of 0.6–1% with a 0.3–0.9% manganese content. Properties of high carbon steels make them suitable for use as springs and high-strength wires. These products cannot be welded unless a detailed program of heat treatment is included in the welding procedure.

3. High carbon steel. High carbon steel has a carbon range of 0.6–1% with a 0.3–0.9% manganese content. Properties of high carbon steels make them suitable for use as springs and high-strength …

variety of carbon and graphite based precise parts for horizontal/vertical continuous casting of steel, copper and aluminium Review It Rate It Bookmark It High performance lubricants and Automatic lubricator for continuous casting machine

May 01, 2019· One technology that is often employed in continuous casting of high-carbon steel billets to minimize centre - (or macro) segregation is hard secondary cooling. Investigations unanimously show, that hard cooling significantly reduces macro-segregation, but a mechanism for the reduced segregation is rarely given.

May 01, 2017· Such high level of segregation in the present casting practice was largely attributed to almost coarse columnar solidification of both low as well as high carbon steel slab cast sections (Fig. 3, Fig. 4). As already discussed in previous sections, in spite of moderate superheat (average superheat ∼25 °C), almost complete columnar ...

High-speed continuous casting of peritectic carbon steels