Steel metal dusting

Fig. 7.52 Optical micrograph of a 5< o Cr steel after service in a petrochemical plant showing typical metal dusting behaviour (after Hochmann ")...

ALKALI-METAL ALLOYS, ALKALI METALS DEVARDA S ALLOY, FERROALLOY POWDERS FINELY DIVIDED METALS, LANTHANIDE METALS LIGHT ALLOYS, METAL DUSTS METAL FIRES, MILD STEEL... 

C. M. Chun and T. A. Ramanarayanan, Metal Dusting Corrosion of Low-chromium Steels,... 

Y. Nishiyama, N. Otsuka and T. Kudo, Metal Dusting Behavior of Cr-Ni Steel and Ni-base Alloys in a Simulated Syngas Mixture, Corrosion Science, 48 2064-2083 (2006). 

If the zinc and lead levels of the metal dust are relatively low, return of the dust to the furnace for iron recovery is feasible. This method is often employed with dusts generated by the production of stainless or alloy steels but is mostly impractical for handling dusts associated with carbon steel production. Because of the use of galvanized metal scrap in the production of carbon steels, these dusts tend to be high in zinc. 

Metal cyanides(and cyano complexes), 216 Metal derivatives of organofluorine compounds, 217 IV-Metal derivatives, 218 Metal dusts, 220 Metal fires, 222 Metal fulminates, 222 Metal halides, 222 Metal—halocarbon incidents, 225 Metal halogenates, 226 Metal hydrazides, 226 Metal hydrides, 226 Metal hypochlorites, 228 Metallurgical sample preparation, 228 Metal nitrates, 229 Metal nitrites, 231 Metal nitrophenoxides, 232 Metal non-metallides, 232 Metal oxalates, 233 Metal oxides, 234 Metal oxohalogenates, 236 Metal oxometallates, 236 Metal oxonon-metallates, 237 Metal perchlorates, 238 Metal peroxides, 239 Metal peroxomolybdates, 240 Metal phosphinates, 240 Metal phosphorus trisulfides, 240 Metal picramates, 241 Metal pnictides, 241 Metal polyhalohalogenates, 241 Metal pyruvate nitrophenylhydrazones, 241 Metals, 242 Metal salicylates, 243 Metal salts, 243 Metal sulfates, 244 Metal sulfides, 244 Metal thiocyanates, 246 Metathesis reactions, 246 Microwave oven heating, 246 Mild steel, 247 Milk powder, 248... 

Aquacat C.l. 77320 CCRIS 1575 Cobalt Cobalt-59 Cobalt, elemental Cobalt fume Cobalt metal, dust and fume Cobalt metal powder EINECS 231-158-0 HSDB 519 Kobalt NCI-C60311 Super cobalt. Oxidizing agent, lamp filaments, in manufacture of cobalt steel in porcelain, glass, pottery, enamels. Atomergic Chemetals Cerac Noah Chem. Sigma-Aldrich Fine Chem. 

EINECS 231-171-1 HSDB 1022 Vanadium Vanadium (fume or dust) Vanadium dust Vanadium, elemental. Metallic element target material for x-rays, manufacture of alloy steels. Metal mp = 1917° dl8.7 = 6.11. Atomerg/c Chemetals Cerac Noah Chem. 

Stainless steel fibres can also impart electromagnetic shielding performance. Between 4 and 7% w/w is usually required. Other eondueting materials sueh as metal dusts and metal-coated microspheres, barium or potassium titanate, titanium dioxide and metal-doped silica can reduce... 

Carburisation and metal dusting of steels and high-temperature alloys by... 

The two corrosion phenomena caused by carbonaceous gases, carburisation and metal dusting, are both a consequence of carbon transfer into the metal matrix of steels and alloys. In hydrocarbons, the carbon is transferred by the reaction... 

Mechanism of metal dusting on iron and low-alloy steels [9-15]. 

Adsorbed sulfur effectively hinders step (iii), the nucleation of graphite, and in this way interferes with the mechanism. The adsorbed sulfur stabilizes the cementite and one can grow thick layers of cementite on iron and steels [14], The continuous presence of only a few ppm H2S in the atmosphere is an effective remedy against metal dusting of steels [14] (see Fig. 1.8). The data on the effect of sulfur on metal dusting can be readily combined with the data on its effect on carburisation [35-37]. 

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