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Innovative usages of stainless steel slags in

30/12/2015· This paper deals with development of self-compacting concrete (SCC) containing stainless steel oxidizing slag (SSOS) and stainless steel reducing slag (SSRS) byproducts of the stainless steel makings. The oxidizing slag was employed as fine and coarse aggregates in substituting to conventional materials (sand and gravel) with various percentages (i.e. 0%, 50%, and 100%).

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Applications of Steel Slag Powder and Steel Slag

The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. The results show that the fluidity of the paste containing steel slag is higher. The nonevaporable water content of the hardened paste containing steel

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Towards carbon sequestration using stainless

01/01/2020· To achieve the dual–purpose of chromium immobilization and co–extraction of calcium and magnesium (for subsequent carbonation in a CCU process) of stainless steel slag (SSS), a multi–step process was designed and performed experimentally. The phase composition and element distribution of SSS with various (added) MnO contents were investigated. The results showed that adjusting the

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1 APPLICATION OF STAINLESS STEEL SLAG WASTE AS

2 38 stainless steel slag powder. This slag powder requires more storage space and also has 39 less value in the market than the slag used as aggregate for road construction [4]. 40 At present, both slags are generally treated as waste and dumped in landfills. Alternative 41 uses for these stainless steel slags could be applied. There are several previous studies for

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Crystals Free Full-Text Cementitious Behavior

The steel slag (SS) powder ready to act as a substitute in cement can be categorized into two grades in accordance with the CNS GB/T 20491-2006. It specifies that the test binder sample is prepared by mixing 30% SS and 70% cement by mass, and activity indexes for the Grade Ⅰ SS powder ought to be ≥65% (curing ages of 7 days) and ≥80% (curing ages of 28 days), separately. For the Grade II

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MPA Mineral Products Association Products

The AOD process is a secondary steel making process for the refinement and manufacture of different grades of stainless steels in a ladle furnace. This process produces a slag that is then further treated to prevent dusting of the aggregate. Both these slags are removed and tipped into pits where they are air cooled with the assistance of water. Once cooled the excavated slag is processed through a metal recovery facility where entrapped steel

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1 APPLICATION OF STAINLESS STEEL SLAG WASTE AS A PARTIAL

2 38 stainless steel slag powder. This slag powder requires more storage space and also has 39 less value in the market than the slag used as aggregate for road construction [4]. 40 At present, both slags are generally treated as waste and dumped in landfills. Alternative 41 uses for these stainless steel slags could be applied. There are several previous studies for

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Innovative usages of stainless steel slags in developing

30/12/2015· A number of previous studies believed steel/stainless steel slag powder owns the hydraulic properties due to existence of C 2 S, C 3 S, and C 4 AF . These slags can be considered as weak cement owing to much less the C 3 S content than ordinary Portland cement (OPC). In addition, the basicity index, expressing the cementitious and/or pozzolanic characteristic, of SSRS is basically

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Crystals Free Full-Text Cementitious Behavior of Argon

The steel slag (SS) powder ready to act as a substitute in cement can be categorized into two grades in accordance with the CNS GB/T 20491-2006. It specifies that the test binder sample is prepared by mixing 30% SS and 70% cement by mass, and activity indexes for the Grade Ⅰ SS powder ought to be ≥65% (curing ages of 7 days) and ≥80% (curing ages of 28 days), separately. For the Grade II

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Reduction of steel‐making slags for recovery of valuable

Different steel‐making slags and residues including BOF slag with low and high V‐content as well as EAF and AOD slags from stainless steel production, EAF dust, oily millscale, hydroxide sludge, BOF and BF dust have been treated. The slag products include a metallurgical powder for desulfurization of steel, hydraulic binder and slag stones for construction applications. The metals obtained

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steel slag powder, steel slag powder Suppliers and

Alibaba offers 3,155 steel slag powder products. About 0% of these are Slag. A wide variety of steel slag powder options are available to you, such as

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US7141112B2 Cementitious materials including stainless

The stainless steel slag may comprise silicates and/or oxides of calcium, silicon, magnesium, iron, aluminum, manganese, titanium, sulfur, chromium and/or nickel. The geopolymer may comprise aluminum silicate and/or magnesium silicate. In a preferred embodiment, curing of concrete materials by the action of water on the cementitious materials is enhanced with the addition of an activator

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Stability of Chromium in Stainless Steel Slag during Cooling

Keywords: metallurgical slag; stainless steel slag; chromium pollution; cooling process; phase transformation 1. Introduction Stainless steel (SS) slag is generated during the SS production process and discharged to disposal pits that occupy large areas. Calcium oxide is a major component in SS slag, which originates from the addition of lime as flux during the processing of the steel. This

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stainless steel slag powder manufacturer

tianjin stainless steel slag powder vertical mill-ZXing. Sell steel slag steel slag wholesale CGS Digital steel slag wholesale buy steel slag from 6773 steel slag suppliers from China Cheap steel slag recycling steel slag crusher steel slag uses for sale Shanghai high effciency 12004500 ball mill for cement ore steel slag . Chat Online ; Steel SlagMaterial DescriptionUser Guidelines for . The

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CN102397817A Method for sorting stainless steel slag

The invention discloses a method for sorting stainless steel slag, which belongs to the field of metallurgy steel slag processing. The method is characterized in that weak-magnetic stainless steel slag of which the particle diameter is 15-80mm is subjected to metal sensing sorting, and strong-magnetic stainless steel slag of which the particle diameter is 0-15 and the magnetic induction

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Stainless Steels: An Introduction to Their Metallurgy and

Some compositional modifications of 18/8 austenitic stainless steel to produce special properties. Dashed lines show compositional links to other alloy systems. strength and corrosion resistance is needed. Many of them can be shaped and formed in the soft or annealed conditioned and subsequently hard- ened or “aged”. One of the best known uses of age-hardened stainless steels is for golf

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