AISI F55 (ya da UNS S32760), super duplex paslanmaz \u00e7elik s\u0131n\u0131f\u0131na ait bir ala\u015f\u0131md\u0131r. Bu t\u00fcr \u00e7elikler, \u00f6zellikle y\u00fcksek korozyon direnci ve y\u00fcksek mukavemet gerektiren uygulamalarda kullan\u0131l\u0131r. AISI F55, ferritik<\/a> ve austenitik<\/a> fazlar\u0131 birle\u015ftiren super duplex yap\u0131s\u0131na sahip olup, bile\u015fimi ve mikro yap\u0131s\u0131, zorlu ortamlara kar\u015f\u0131 m\u00fckemmel dayan\u0131kl\u0131l\u0131k sa\u011flar.<\/p>\n KOROZYON DAYANIMI:<\/strong>\u00a0UNS S32760, agresif klor\u00fcr i\u00e7eren ortamlarda servis i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015f bir dubleks paslanmaz \u00e7eliktir ve UNS S32750 ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda W ve Cu ilavesine sahiptir. Y\u00fcksek mekanik mukavemet ile birlikte lokal korozyon ve stres korozyon \u00e7atla\u011f\u0131na kar\u015f\u0131 \u00e7ok iyi bir dirence sahiptir.<\/p>\n KAYNAK YAPILAB\u0130L\u0130RL\u0130K:<\/strong>\u00a0Erozyon korozyonuna ve korozyon yorgunlu\u011funa kar\u015f\u0131 y\u00fcksek diren\u00e7.<\/p>\n \u0130\u015eLENEB\u0130L\u0130RL\u0130K:<\/strong> S\u00fcper dublex yap\u0131s\u0131na sahip oldu\u011fu i\u00e7in i\u015flenebilirli\u011fi genellikle duplex \u00e7elikler ile benzerlik g\u00f6sterir. Ancak, di\u011fer \u00e7eliklere k\u0131yasla daha zordur \u00e7\u00fcnk\u00fc y\u00fcksek sertlik, y\u00fcksek mukavemet ve duplex faz yap\u0131s\u0131 bu malzemenin i\u015flenmesini zorla\u015ft\u0131r\u0131r.<\/p>\n ISIL \u0130\u015eLEM:<\/strong> Is\u0131l i\u015flem, 1100 \u00b0C\u2019de \u00e7\u00f6zelti tavlama ve bunu takiben su verme \u015feklindedir. AISI F55 gibi super duplex paslanmaz \u00e7elikler i\u00e7in \u0131s\u0131l i\u015flem, \u00e7eli\u011fin mekanik \u00f6zelliklerini iyile\u015ftirmek ve faz yap\u0131s\u0131n\u0131 stabilize etmek amac\u0131yla yap\u0131l\u0131r. Ancak, duplex \u00e7eliklerin \u0131s\u0131l i\u015fleme tabi tutulmas\u0131 dikkatli yap\u0131lmal\u0131d\u0131r \u00e7\u00fcnk\u00fc faz yap\u0131s\u0131 y\u00fcksek s\u0131cakl\u0131kta bozulabilir.<\/p>\n KULLANIM ALANLARI:\u00a0<\/strong>1.4501, Petrol ve do\u011fal gaz, hidroelektrik, bas\u0131n\u00e7l\u0131 kaplar, ka\u011f\u0131t hamuru ve ka\u011f\u0131t, yap\u0131sal bile\u015fenler ve kimyasal tankerlerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n\n\n
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\n\t Kimyasal \u00d6zellikler <\/th> Min.<\/th> Max.<\/th> <\/td> Mekanik \u00d6zellikler<\/th> De\u011fer<\/th>\n<\/tr>\n<\/thead>\n \n\n\t C<\/td> -<\/td> 0.030<\/td> <\/td> Tensile Strength (MPa)<\/td> 860<\/td>\n<\/tr>\n \n\t Mn<\/td> -<\/td> 1.00<\/td> <\/td> Proof Stress (MPa)<\/td> -<\/td>\n<\/tr>\n \n\t Si<\/td> -<\/td> 1.00<\/td> <\/td> Elongation A50 mm<\/td> 16<\/td>\n<\/tr>\n \n\t P<\/td> -<\/td> 0.030<\/td> <\/td> Hardness Brinell<\/td> 270 Max HB<\/td>\n<\/tr>\n \n\t S<\/td> -<\/td> 0.010<\/td> <\/td> Density<\/td> 7.90 g\/cm3<\/td>\n<\/tr>\n \n\t Cr<\/td> 24.00<\/td> 26.00<\/td> <\/td> Melting Point<\/td> - \u00b0C<\/td>\n<\/tr>\n \n\t Ni<\/td> 6.00<\/td> 8.00<\/td> <\/td> Modulus of Elasticity<\/td> 200 Gpa<\/td>\n<\/tr>\n \n\t N<\/td> 0.20<\/td> 0.20<\/td> <\/td> Electrical Resistivity<\/td> 2,2 x10^-6 \u03a9 .m<\/td>\n<\/tr>\n \n\t Mo<\/td> 3.00<\/td> 4.00<\/td> <\/td> Thermal Conductivity<\/td> 15.0 W\/m.K<\/td>\n<\/tr>\n \n\t Cu<\/td> 0.50<\/td> 1.00<\/td> <\/td> Thermal Expansion<\/td> 13.0 x10^-6 \/K<\/td>\n<\/tr>\n \n\t W<\/td> 0.50<\/td> 1.00<\/td> <\/td> <\/td> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n STANDARTLAR<\/strong><\/h5>\n