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Main properties of CB2 cast steel

CB2 cast steel is 9CrMoVNbB steel, and its trial produced steel castings have an extrapolated endurance strength of 85mpa at 625 ℃ for 100000 hours. The high temperature endurance strength is better than that of GX12CrMoWVNbN10-1-1 steel used in the previous generation of steam turbine steel castings, and the...

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Proportion of zirconium free composite cast steel coating

The performance indexes of zirconium free composite cast steel coating 405B (hereinafter referred to as tl405b) are shown in the table below. Paint Applicable material Baume degree (° B é) Specific gravity /g · ml-1 24h suspension (%) Gas evolution /ml · g-1 TL405B Steel castings 120 1.90 96...

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Application of rare earth in cast steel

The history of the application of rare earth in the field of steel casting can be traced back to the early 1950s. American steel foundries added rare earth to the steel casting used to manufacture armor. It was found that the as cast structure, inclusion morphology, liquid steel fluidity...

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Modification of inclusions in cast steel by rare earth

The inclusions in cast steel have an important impact on the properties of cast steel products. Domestic and foreign scientific and technological workers have carried out a lot of research work in this regard. The results show that the addition of rare earth elements can control the composition, morphology...

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Application of rare earth in cast steel

Rare earth (RE) is the general name of 17 metal elements including lanthanide, scandium and yttrium in the periodic table of elements. Metallurgical workers at home and abroad began to study the action mechanism and industrial application technology of trace rare earth elements in steel very early, and found...

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