Jan 21, 2016 · Failure of a longitudinal-seam welded water pipe made of AISI 321 austenitic stainless steel that was joined together via girth welding using ER347 filler electrode in a power plant piping was reported.
Cited by 2Failure analysis is carried out on a leaked Type 321 stainless steel pipe in the hydrogen-eliminated system of a nuclear power plant. Comprehensive characterizations are utilized to investigate the operation conditions, base materials and macro/micro-morphologies of the failed pipe.
Cited by 2The stress corrosion cracking behavior of 321 stainless steel has been studied in high temperature water. Analytical electron microscopy was utilized to characterize the cracking
3) power plant flue gas desulfurization device, the main use of the parts are absorption tower body, flue, door panels, internal parts, spray systems, etc.. …
Sandmeyer Steel Company’s plate products are utilized in all phases of nuclear power plant construction and maintenance. From safety-related core components to shell plate, tube sheets, baffles and support plates for condensers, pressurizers and heat exchangers. From plate for rolled and welded pipe to custom plate flanges for piping systems.
Failure Analysis of AISI 321 Austenitic Stainless Steel Water Piping in a Power Plant Article in Journal of Failure Analysis and Prevention 16(2) · January 2016 with 78 Reads DOI 10.1007/s11668 ...
Supercritical and ultra-supercritical fossil fuel power plants will require new materials for use at temperatures of 700oC and above [1,2]. Superheater and reheater tubes are likely to experience the most severe service conditions with respect to fire-side corrosion, steam-side oxidation and creep [2].
The Cogema plant requires a vast amount of austenitic stainless steel (mostly 304L and 316L grade) for its applications and operations. The complex is so large that it requires many kilometres of pipes to cover its expanse. Additionally, stainless steel is important for low- or high-corrosion implementation.
power plant condenser tubes. Between ... 304 stainless steel, whereas, other plants with similar equipment and operating conditions use chromium-molybdenum ... A discussion of the corrosion behavior of stainless steels in various high-temperature environments begins on page 18.
SSC-6MO (UNS N08367) is a superaustenitic 6% molybdenum alloy that exhibits far greater resistance to chloride pitting, crevice corrosion and stress-corrosion cracking than the standard 300 series and standard duplex stainless steels.
The nuclear power industry also uses large quantities of stainless, often specified with a low cobalt content, for both power generation and radiation containment. Special louvered ventilation shafts are made, which are designed to be used in emergencies to seal off plants for years if necessary. Steam and gas turbines use stainless because of its corrosion resisting and heat resisting qualities.
The function of element titanium in the type 321 stainless steel is to combine carbon as TiC and Ti(CN) during hot working and to expand austenitic phase as well, which makes the stainless steel more weldable and ductile through inhibition of sensitization . In addition, the failed pipe shows a low level in carbon which facilitates corrosion resistance.
AISI 321 stainless steel (SS) tubes are commonly used in solar thermal power plant to transport the chloride ion containing thermic fluid at a temperature of ~ 400 o C.
High-Nickel, Corrosion-Resistant Alloys Likely the most widely used alloy in FGD corrosion-resistant material in FGD construction is alloy C- 276 (N10276). With nominally 16% molybdenum and 16% chromium, alloy C-276 offers resistance to all but the most aggressive conditions experienced in …
After only a few years operation of a biomass power plant, corrosion damage was ob-served in the flue gas cleaning system (FGCS). The corrosion was on the lower part of the gas/gas heat exchanger (GGH) fabricated from A242 weathering steel, where UNS S31600 bolts were used to attach sealing strips to the rotor. Thick iron oxides (up to 5 mm) had
Liquid Molten Metal Corrosion Resistance of Stainless Steel Most of the literature on liquid metal corrosion of stainless steel discusses metals such as sodium, potassium, lithium etc. which have been used as liquid metal coolant media in applications such as nuclear power plant. The metals that are of more interest to most industrial users are probably aluminium, copper, lead, tin and zinc ...
The PWR primary piping usually is cast stainless steel or stainless clad low alloy steel operating above 300°C (600°F). Essentially zero attack at the pH and oxygen typical of primary systems was noted, as well as a major decrease in erosion-corrosion rate as one approaches 300°C.
The pipe was made of ASTM A312 TP304 stainless steel.In this study, it was shown that the failure was due to the stress corrosion cracking (SCC) caused by the chloride that remained in the pipe.
Stainless steel, due to its superior corrosion resistance relative to most other metals, including steel and aluminum, becomes the cathode accelerating the corrosion of the anodic metal. An example is the corrosion of aluminum rivets fastening stainless steel sheets in contact with water. [18]
Before being put to use, a new condenser of 600 MW unit was found corrosion leakage of a large number of 304L stainless steel tubes during the water leakage test. Through field investigation, sampling, chemical composition and mechanical properties test, metallographic analysis, corrosion area surface morphology and micro area component analysis, corrosion reasons were analyzed.
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Nov 29, 2018 · Tests have proved that compared with austenitic stainless steel and ferrite stainless steel, duplex stainless steel has better corrosion resistance. The 2205 stainless steel plate sample used in the test is according ASTM A240 and with a size of 1600*2500*10mm.
resistance to stress corrosion cracking in nuclear water and steam service. Steam generators, which use the heat from the nuclear reaction to produce steam to drive the power turbines, tubes, tubesheets, baffle plates and support plates, are fabricated from alloy 690. On the reactor shell, control rod drive mechanism nozzles
Mar 27, 2017 · Power plant chemistry corrosion theory and its prevention ... copper plates out on the steel surfaces and induces galvanic corrosion on the steel. This is an area of concern in power plants, which use copper alloys in the condenser or the feed water system. ... Different Types of Corrosion attack Stress Corrosion Cracking Stress corrosion ...
1.Wall Thickness:1.2-150mm
2.Size:1000*2000mm / 1220*2440mm / 1250*2500mm / 1500*3000mm
3.Packaging Details:Standard export seaworthy packing or as required.
4.Application: construction decoration and industry instruments
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