ALOY 625, UNSN06625
Alloy 625 (UNS N06625) | |||||||||
Takaitawa | Nickel-chromium-molybdenum gami tare da ƙari na niobium wanda ke aiki tare da molybdenum don ƙarfafa matrix ɗin gami kuma ta haka yana ba da ƙarfi mai ƙarfi ba tare da ƙarfafa maganin zafi ba. Alloy ɗin yana tsayayya da kewayon wurare masu ɓarna sosai kuma yana da juriya musamman ga ɓarna da ɓarna. An yi amfani da shi wajen sarrafa sinadarai, sararin samaniya da injiniyan ruwa, kayan sarrafa gurɓataccen gurɓataccen yanayi, da injinan nukiliya. | ||||||||
Daidaitaccen Samfurin Samfura | Bututu, bututu, takardar, tsiri, faranti, mashaya zagaye, sandar lebur, kayan ƙirƙira, hexagon da waya. | ||||||||
Abubuwan Kemikal Wt,% | Min | Max. | Min. | Max. | Min. | Max. | |||
Ni | 58.0 | Cu | C | 0.1 | |||||
Cr | 20.0 | 23.0 | Co | 1.0 | Si | 0.5 | |||
Fe | 5.0 | Al | 0.4 | P | 0.015 | ||||
Mo | 8.0 | 10 | Ti | 0.4 | S | 0.015 | |||
Nb | 3.15 | 4.15 | Mn | 0.5 | N | ||||
PhysicalConstant | Yawan yawa, g/8.44 | ||||||||
Narke Range, ℃ 1290-1350 | |||||||||
Abubuwan Halayen Injiniya Na Musamman | (An warware Magani)(1000h) Ƙarfin Rupture (1000h) ksi Mpa 1200℉/650℃ 52 360 1400℉/760℃ 23 160 1600℉/870℃ 72 50 1800℉/980℃ 26 18 | ||||||||
Karamin tsari
Alloy 625 ne mai ƙarfi-matrix matrix-taurin fuska-tsakiyar-cubic gami.
Halaye
Saboda ƙananan abun ciki na kwali da kwantar da hankali na zafi, Inconel 625 yana nuna ƙarancin hankali ga hankali ko da bayan sa'o'i 50 a yanayin zafi a cikin kewayon 650 ~ 450 ℃.
Ana ba da gami a cikin yanayin mai laushi mai laushi don aikace-aikacen da ke tattare da lalatawar rigar (Alloy 625, grade 1), kuma TUV ta amince da shi don tasoshin matsa lamba a cikin kewayon zafin jiki -196 zuwa 450 ℃.
Don aikace-aikacen zafin jiki, sama da kusan. 600 ℃, inda high ƙarfi da juriya ga creep da fashe ake bukata, wani bayani-annealed version (Alloy 625, sa 2) tare da mafi girma carbon abun ciki ne kullum aiki da samuwa a kan bukatar a wasu kayayyakin siffofin.
Babban juriya ga rami, ɓarna ɓarna, da harin intergranular;
Kusan cikakken 'yanci daga chloride-induced danniya-lalata fatattaka;
Kyakkyawan juriya ga acid ma'adinai, irin su nitric, phosphoric, sulfuric da hydrochloric acid;
Kyakkyawan juriya ga alkalis da Organic acid;
Good inji Properties.
Juriya na Lalata
Babban abun ciki na gami na gami 625 yana ba shi damar jure nau'ikan yanayin lalata mai yawa. A cikin yanayi mai laushi kamar yanayi, ruwan ruwa mai laushi da ruwa, gishiri mai tsaka tsaki, da kafofin watsa labarai na alkaline kusan babu wani hari. A cikin yanayin lalata mai tsanani haɗuwar nickel da chromium suna ba da juriya ga sinadarai masu oxidizing, yayin da babban abun ciki na nickel da molybdenum suna ba da juriya ga rashin isashshen hankali yayin walda, don haka yana hana fashewar intergranular na gaba. Hakanan, babban abun ciki na nickel yana samarwa daga chloride ion-stress-corrosion cracking.
Aikace-aikace
An fi son nau'in nau'i mai laushi na Alloy 625 (jin 1) don aikace-aikace a cikin masana'antar sarrafa sinadarai, a cikin aikin injiniya na ruwa da kuma kayan sarrafa gurbatawa don kare muhalli. Aikace-aikace na yau da kullun sune:
1. Superphosphoric acid samar da kayan aiki;
2. Kayan aikin sake sarrafa almubazzarancin nukiliya;
3. Tushen samar da iskar gas mai tsami;
4. Tsarin bututu da sheathing na risers a cikin binciken mai;
5. Masana'antar ketare da kayan aikin ruwa;
6. Flue gas scrubber da damper abubuwan;
7. Kayan bututun hayaki.
Domin high-zazzabi aikace-aikace, har zuwa kusan 1000 ℃, da bayani-annealed version of Alloy 625 (grade 2) za a iya amfani da daidai da ASME code ga matsa lamba tasoshin. Aikace-aikace na yau da kullun sune:
1. Abubuwan da ke cikin tsarin iskar gas mai sharar gida da tsire-tsire masu tsabtace iskar gas da aka fallasa zuwa yanayin zafi mafi girma;
2. Tashin wuta a cikin matatun mai da dandamali na teku;
3. Recuperator da diyya;
4. Tsarin shayewar injunan dizal na karkashin ruwa;
5. Superheater tubes a cikin sharar gida incineration shuke-shuke.
Lokacin aikawa: Nov-11-2022