Corrosion Resistance of Steels, Nickel Alloys, and Zinc in by Michael Schütze, Marcel Roche, Roman Bender

By Michael Schütze, Marcel Roche, Roman Bender

This guide is derived from the net reference ''Corrosion Handbook,'' bringing jointly the suitable information regarding corrosion safeguard and prevention for steels, the most wide-spread fabrics. It offers entire info, together with tabulated info and references, at the corrosion homes of the next fabrics: Unalloyed steels and forged metal, unalloyed forged iron, high-alloy forged iron, high-silicon forged iron, structural steels with as much as 12% chromium, ferritic chromium steels with greater than 12% chromium, ferritic-austenitic steels with greater than 12% chromium, high-alloy multiphase steels, ferritic/perlitic-martensitic steels, ferritic-austenitic steels/duplex steels, austenitic chromium-nickel steels, austenitic chromium-nickel-molybdenum steels, austenitic chromium-nickel steels with distinctive alloying additions, exact iron-based alloys, and zinc. the next corrosive media are thought of: Seawater, brackish water, business waste water, municipal waste water, ingesting water, high-purity water

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Additional info for Corrosion Resistance of Steels, Nickel Alloys, and Zinc in Aqueous Media : Waste Water, Seawater, Drinking Water, High-Purity Water

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0095 Table 5: Compositions of the steels SUS XM18 and SUS 410Ti [70] In [71] the influence of water purity in the water-steam cycle of power stations on the corrosion behaviour of steels that are used in boilers and turbines (no material specified – probably 13–17% Cr-steels) was reported. The report describes the factors which can influence steam purity as well as the mechanism of accumulation of impurities. Failure analyses of turbine blades tend to be located in the region of the starting condensation and this in turn in the intermediate- and low-pressure regions.

2 MPaÖm Generally, the stress corrosion cracking susceptibility increases with increasing oxygen content, temperature and the yield strength of the steel. Preferential sources for stress corrosion cracking are cracks as well as those in proximity to holes, dents with a splint and clamping edges on burst discs. 04 mm the stress corrosion cracking susceptibility decreases. The cause of stress corrosion cracking is quite independent of the steel composition, inclusions and pitting corrosion, although it can also occur at pitting corrosion sites.

Decisive for the metal loss in high purity water is the thickness, density as well as the chemical composition of the surface oxide scale. 0095 Table 5: Compositions of the steels SUS XM18 and SUS 410Ti [70] In [71] the influence of water purity in the water-steam cycle of power stations on the corrosion behaviour of steels that are used in boilers and turbines (no material specified – probably 13–17% Cr-steels) was reported. The report describes the factors which can influence steam purity as well as the mechanism of accumulation of impurities.

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