Usage: in foundry, in the smelting of cast iron in a cupola. SUBSTANCE: method involves introducing coke, limestone and metal charge containing manganese-containing material into a cupola. As the latter, "iron-manganese nodules (LMCs) introduced over coke are used. LMCs contain,%: manganese 28; iron 5.7; 5X2 13.3; CaO 4.6; MdO 1.8:, 8.

JP5621618B2 - Method for melting manganese-containing low carbon steel - Google Patents Method for melting manganese-containing low carbon steel Download PDF Info Publication number JP5621618B2 ... manganese molten steel vacuum oxygen gas steel Prior art date

The processability of medium Mn-containing steels (MMnS) with 4–10% Mn is discussed in light of their continuous casting behavior. Precipitation, phase …

This study used the process-LCA method to evaluate the melting reduction technology for iron and steel waste residues in a steel plant of Tangshan. The results reveal that the GWP accounts for the 46% of total environmental impact, followed by AP (32%) and PED (15%). ... (Xiao et al., 2017)recovered valuable metals from manganese rich …

A method for reducing the melting loss of metal manganese in a smelting process comprises the following steps: (1) weighing metal manganese according to the required amount, placing the metal manganese into a metal belt, wrapping the metal manganese in the metal belt, adding a proper amount of metal returning material, compacting by using …

JP4844552B2 - Melting method of low carbon high manganese steel - Google Patents Melting method of low carbon high manganese steel Download PDF Info Publication number JP4844552B2. JP4844552B2 ... manganese vacuum concentration carbon Prior art date

Manganese metal: Colloidal manganese; Manganese-55 Synonyms of other compounds vary depending upon the specific manganese compound. ... Freezing point/melting point: 2271°F Vapor pressure: 0 mmHg (approx) Flash point: Vapor density: Specific gravity: 7.20 (metal) ... Monitoring Methods Used by OSHA; Analyte code (IMIS no.) 1620: 1620: …

The invention relates to a slag melting and manganese increasing agent for a converter and a using method thereof, belonging to the technical field of steel smelting. The technical scheme is as follows: the aluminum ash and manganese ore composite material comprises the following components in percentage by mass: 30-70% of aluminum ash and 70-30% …

JP6848920B2 JP2018065704A JP2018065704A JP6848920B2 JP 6848920 B2 JP6848920 B2 JP 6848920B2 JP 2018065704 A JP2018065704 A JP 2018065704A JP 2018065704 A JP2018065704 A JP 2018065704A JP 6848920 B2 JP6848920 B2 JP 6848920B2 Authority JP Japan Prior art keywords manganese magnetic raw material manganese oxide …

GB/T1467-1978 General and general provisions of the standard for chemical analysis of metallurgical products JB/T7948.2-1999 Chemical analysis method for melting flux Potentiometric titration method for determination of manganese oxide content 3 Method summary

The precipitation-hardening manganese austenitic steels with different content of carbide-forming elements and carbon obtained by the method of rapid melt quenching have been considered. The influence of dispersion of the structure on the morphology of carbides, strengthening, and the magnitude of shape-memory effect has …

It describes for preheating and the method and apparatus of melting manganese ore sinter.This method includes that will contain manganese ore sinter (2), in the charging to burried arc furnace (5) of the incoming mixture (1) of reducing agent (3) and fluxing agent (4), melting incoming mixture (1) is with the layer of formation manganese alloy …

Manganese–nickel–aluminium bronze (MAB) samples were treated with a high-power Nd:YAG laser system to achieve laser surface melting. Under proper laser processing conditions, the cavitation erosion–corrosion rate of laser-treated MAB in 3.5 wt.% NaCl solution was reduced by more than five times compared with that of as …

A new method was developed to study the melting characteristics of oxygen carriers. ... When heated up to the deformation temperature, the ilmenite melted rapidly within 8 °C–29 °C, whereas manganese ores melting had a wide temperature range from 38℃-301℃. It can be concluded that the maximum operational temperature of CLC …

The present invention provides a method for smelting high-manganese steel that can obtain high manganese yield and can be efficiently smelted when smelting high-manganese steel containing more than 5 mass% of manganese. When smelting steel containing more than 5 mass% of manganese, it includes: decarburization step, …

The second method removed by manganese removal is a method of reducing the manganese content in the production of, characterized by mixing addition of sodium sulfide (N a 2 S) as an additive inmeltThis is a method for removing manganese in molten iron. The third manganese removal method is a method of reducing the …

Manganese processing - Alloy, Extraction, Smelting: More than 90 percent of the manganese produced goes into metallurgical applications, the pure metal being used in …

Melting and boiling point: Manganese has a melting point of 1,246 degrees Celsius (2,275 degrees Fahrenheit) and a boiling point of 2,061 degrees Celsius (3,742 degrees Fahrenheit). ... Open-pit mining: …

A number of other steels benefit from a liquid oxide surface. Hadfield manganese steel (13 Mn) is one such steel because of the low melting point of its oxide, MnO 2. Similarly boron-containing steels, …

The Manganese Mining Process. More than 25 million tons of manganese are mined every year. Most manganese mining occurs in open pits. Although there are processes in place to mine manganese …

Manganese processing, preparation of the ore for use in various products. Manganese (Mn) is a hard, silvery white metal with a melting point of 1,244 °C (2,271 °F). Ordinarily too brittle to be of structural value itself, it is an essential agent in steelmaking, in which it removes impurities such

A method for melting high manganese steel that achieves both suppression of manganese volatilization loss and reduction of nitrogen concentration in the molten metal is proposed. A method of melting high-Mn steel with a Mn concentration of 10 to 40% by mass by combining molten steel tapped after performing decarburization blow tempering …

Metallic manganese was first isolated in 1774 by Johan Gottlieb Gahn, a Swedish mineralogist who reduced pyrolusite, a manganese dioxide …

The present invention provides methods for making manganese sulfide without the need for recycling a significant amount of manganese sulfide back to the reaction chamber. The methods are performed by admixing substantially pure manganese, substantially pure sulfur, and iron pyrite. ... Method to melt low-carbon manganiferous alloys CZ144293A3 ...

A method for making manganese sulfide comprising: admixing substantially pure manganese, substantially pure sulfur, and iron pyrite; and reacting said manganese with said sulfur to form said manganese sulfide. ... Manganese sulfides occur routinely when melting steel. Sulfur is present in most of the raw materials used in steelmaking. …

The present invention provides methods for making manganese sulfide without the need for recycling a significant amount of manganese sulfide back to the reaction chamber. The methods are performed by admixing substantially pure manganese, substantially pure sulfur, and iron pyrite. ... Method to melt low-carbon manganiferous alloys …

This standard prescribes the following methods for determination of various elements in manganese ores: a) Chemical analysis by gravimetric and volumetric method, and b) Atomic absorption method. The gravimetric and volumetric methods are suitable for determination of silica, barium oxide, manganese, iron, phosphorus, sulphur, alumina …

US3005258A US747657A US74765758A US3005258A US 3005258 A US3005258 A US 3005258A US 747657 A US747657 A US 747657A US 74765758 A US74765758 A US 74765758A US 3005258 A US3005258 A US 3005258A Authority US United States Prior art keywords brazing cladding melting point powdered plate Prior art date …

The precipitation-hardening manganese austenitic steels with different content of carbide-forming elements and carbon obtained by the method of rapid melt …

In the synthesis of Mn(acac) 3 modifications, the main role is played by the conditions of recrystallization, namely, the temperature and the nature of the solvent. The method of the preparation of Mn(acac) 3 is not important; it can be the reduction of KMnO 4 with acetylacetone [10, 11], the co-proportionation of solutions of Mn(II) and KMnO 4 …