0Cr18Ni9Ti sensitized steel under different susceptibility to intergranular corrosion
1.1l1.1.1. I1. I. Lotus received 1.1 parts Date: March 25, 1994 Su-Qinhuangdao Economic and Technological Development Zone No. 4 994 9 physical tests of samples by the solution-treated at different temperatures for rolling reduction of 30% The hot deformation, rolling rapidly after water quenching,mulberry, then the other points in the 800 850 and 900 ℃ for 0-2 hours of stabilized intergranular corrosion test before sensitization at 650 ℃,ed hardy vaatteet, 2h and 550 ℃, 200h two systems implementation. Intergranular corrosion test according to ASTMA262-75 of the Rules. Test solution 100mLH2sO4 force Ⅱ 100gCuSO4 · 5H2O, diluted with distilled water to 1000mL, adding copper scrap. Boiling the sample in this solution soak for 24 hours after the removal bent 180 degrees, the radius of curvature approximately equal to the thickness of the sample. With a magnifying glass is curved parts of the cracks,ugg outlet, the cracks were sentenced to a crystalline asked corrosion tendencies. 3 test results and i,-t ~ 85O800p900 more gifts delete static 800O 850 lizard when asked,mulberry oslo, h Figure l550 ℃ 200h sensitization to intergranular corrosion ● 0 there does not appear to intergranular corrosion intergranular corrosion 650 ℃,ralph lauren outlet, 2h sensitized stability of the sample regardless of whether treatment can be carried out by intergranular corrosion test, no intergranular corrosion test results shown in Figure 1 shows the results: without stabilizing treatment of all samples with intergranular corrosion tendencies; stabilized less than half an hour of the sample still occurs intergranular corrosion: a half-hour stabilization (the transfer page 5) p. Ridicule grass flap 1994 4 physical voltage test (4) 20MnV actual l critical hardenability of steel diameter 30ram, can be made in small anchor chain. 'References IoB548-83 heat-treated steel welding anchor chain 2 Writing Group. Steel Heat Treatment - pecking and application management. Shanghai: Shanghai Science and Technology Press. I979: 1053K. E. Xi Erning with. Sun Yi Tang, Liu translation of literary talent. Steel and heat treatment - Boffo new manual. Beijing: Metallurgical Industry Press. 1982:24 g4 for treasures and so on. Taiwan box steel hand boat (Volume 1,mulberry outlet, Beijing: Metallurgical Industry boxes out sampan community. ~ 984:2575 Homeycomb ~ RWKSteelsMicrostruetureandPropertied.London: EdwardArnold (Publisl ~ rs) Ltd.I9SI: I306 Huguang Li, etc. heat treatment of steel (principles and processes) Beijing: China Shoe Industry Press,abercrombie madrid, L9 $ 5:185 (on the next page 9) In addition to dealing with one exception all the samples by intergranular corrosion test: more than a half-hour treatment of the sample is not stable with the tendency to intergranular corrosion, can be Crystal asked by corrosion test. 800 850 and 900 ℃ temperature stability of the three no significant difference in treatment effect be seen,mulberry vesker, as long as 800 to 900 of more than half an hour to ask for the stabilization process ensures that the material has excellent resistance to intergranular corrosion performance seen from the above result, sensitized by the temperature down to 650 ℃ 550 ℃, because the solubility of carbon in steel to further reduce, 650 ℃ can not be the precipitation of carbides may precipitate at 550 ℃, an increase of intergranular corrosion risk only because diffusion difficulties and other reasons, require a longer sensitization time shows that this sensitized system is a more stringent system of sensitization. For long-term work in the vicinity of this temperature the material is - kind of more This reliable system sensitization test 0Crl8Ni9-Tj actinides show a good corrosion resistance to grain asked. The low carbon steel, titanium and carbon is relatively high, even without stabilization,franklin marshall sale, not a fixed amount of carbon Ti also saddle low,uggs nederland, through a standard 650 ℃,mulberry tasker, 2h after sensitization to intergranular corrosion test. bent more than half an hour after the stabilization process, the carbon steel was further fixed, even after 550 ℃, 200h such harsh treatment sensitized do not have to ask after the corrosion tendency of crystal, showing excellent resistance to intergranular corrosion,ralph lauren danmark, capable of long-term work at 550 ℃ intergranular corrosion requirements. Conclusion of the test 0CrlgNigTi steel has a lower sensitivity to intergranular corrosion of. without stabilizing treatment to a standard of 650, ℃, 2h after sensitization to intergranular corrosion test by more than half an hour after the stabilization process by demanding 550 ℃, 200h after sensitization to grain asked corrosion test qualified long-term work in the vicinity of the temperature against intergranular corrosion requirements. References ISa ~ ala $ CH. Yanhui mouth f.Corrosion/76.Houston.Texas.I eggs 1. Jian School North Heavy machine hard maple disability papers. I9
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