Super Duplex Karfe S32750 Tube, Kayan aiki, Sanduna, Sheets, Forgings
Samfuran Samfura
Bututu mara nauyi, Faranti, Sanda, Forgings, Fasteners, Kayan aikin bututu.
Ka'idojin samarwa
| Matsayin samarwa | |
| Samfura | ASTM |
| Bars, tube da bayanan martaba | 276, A 484 |
| Plate, Sheet da Strip | 240, A 480 |
| Bututu marasa ƙarfi da Welded | 790, A 999 |
| Kayayyakin bututu marasa ƙarfi da Welded | 789, A 1016 |
| Kayan aiki | 815, A 960 |
| Filayen bututun jabu ko birgima da kayan aikin jabu | 182, A961 |
| Ƙirƙirar ƙira da ƙira | 314, A 484 |
Haɗin Sinadari
| % | Fe | Cr | Ni | Mo | C | Mn | Si | P | S | Cu | N |
| Min | daidaitacce | 24.0 | 6.0 | 3.0 | 0.24 | ||||||
| Max | 26.0 | 8.0 | 5.0 | 0.030 | 1.20 | 0.80 | 0.035 | 0.020 | 0.50 | 0.32 |
Abubuwan Jiki
| Yawan yawa | 7.75 g/cm 3 |
| Narkewa | 1396-1450 ℃ |
Bayanan Bayani na S32750
2507 ne super duplex bakin karfe da mafi kyau lalata juriya da ƙarfi fiye da 2205. Yana hadawa mafi m Properties na da yawa ferritic da austenitic karfe da, saboda da high chromium da molybdenum abun ciki, yana da kyau kwarai juriya ga uniform, pitting da crevice lalata.Tsarin tsari na biyu yana tabbatar da cewa karfe yana da babban juriya ga lalata lalata da ƙarfin injina.
Mafi girman abun ciki na chromium da molybdenum yana sa ya sami juriya mai ƙarfi ga gabaɗayan lalata kwayoyin halitta kamar su formic acid, acetic acid, da sauransu, kuma yana da ƙarfi juriya ga inorganic acid, musamman waɗanda ke ɗauke da chlorides.Idan aka kwatanta da 904L, wanda aka ƙera musamman don tsayayya da tsantsar sulfuric acid, 2507 yana da ƙarfi juriya ga lalatawar sulfuric acid gauraye da ions chloride.
316L sa ba za a iya amfani da a hydrochloric acid yanayi, yana iya zama batun gida lalata ko gaba daya lalata, yayin da 2507 za a iya amfani da diluted hydrochloric acid yanayi, tare da karfi anti-tabo da anti-crevice lalata ikon.Ƙananan abun ciki na carbon na 2507 yana rage haɗarin hazo carbide a cikin intergranular yayin maganin zafi kuma, sabili da haka, yana da matukar juriya ga lalata intergranular mai alaka da carbide.
2507 yana da ƙarfin matsawa mai ƙarfi, ƙarfin tasiri da ƙarancin haɓaka haɓakar haɓakar thermal da haɓakar haɓakar thermal, waɗannan halaye sun dace da yawancin sassan tsarin da sassa na inji.
2507 kada a sanya shi a cikin yanayin zafi sama da 300 ℃ na dogon lokaci, wanda zai iya raunana taurinsa.
Juriya na Lalata Na Kayan S32750
1. Juriya na lalata
Mafi girman chromium da molybdenum abun ciki na SAF 2507 ya sa ya fi jure juriya ga yawan lalata kwayoyin acid kamar formic acid da acetic acid.SAF 2507 gami kuma yana da juriya mai ƙarfi ga inorganic acid, musamman waɗanda ke ɗauke da chlorides.juriya lalata.
Idan aka kwatanta da 904L, SAF2507 yana da ƙarfi juriya ga lalata sulfuric acid gauraye da ions chloride.904L wani gami ne a cikin austenitic jihar, musamman tsara don tsayayya da tsantsar sulfuric acid lalata.
316L sa ba za a iya amfani da hydrochloric acid muhallin, yana iya zama batun da gida lalata ko gaba daya lalata.Ana iya amfani da SAF2507 a cikin yanayi mai tsarma hydrochloric acid, tare da ƙarfi anti-tabo da anti-crevice lalata ikon.
2. Intergranular lalata
Ƙananan abun ciki na carbon na SAF 2507 yana rage haɗarin hazo na intergranular carbide yayin magani mai zafi, sabili da haka, wannan gami yana da juriya ga lalatawar intergranular mai alaƙa da carbide.
3. Danniya lalata fata
Tsarin duplex na SAF 2507 ya sa ya zama mai juriya ga lalatawar damuwa.Saboda girman abun ciki na gami, juriya na lalata da ƙarfin SAF 2507 sun fi 2205 kyau.
Cracks kusan babu makawa a cikin gine-gine, da sauransu, wanda ke sa bakin karfe ya fi saurin lalacewa a cikin mahallin chloride.SAF 2507 yana da ƙarfi mai ƙarfi don tsayayya da lalata lalata.Tsarin isocorrosion na SAF 2507 a cikin sulfuric acid dauke da 2000ppm chloride ions 0.1 mm / shekara;isocorrosion curve a cikin hydrochloric acid 0.1 mm / shekara.
S32205 Yankunan Aikace-aikacen Abu
2507 bakin karfe ana amfani dashi a masana'antar mai da iskar gas;rairayin bakin teku na Shipotian man dandali (zafi musayar bututu, ruwa magani da kuma samar da ruwa tsarin, wuta kariya tsarin, ruwa fesa tsarin, ruwa karfafa tsarin; petrochemical kayan aiki; desalination (desalination) kayan aiki (da kayan aiki a High-matsa lamba bututu, ruwan teku bututu); inji da kayan aikin da ke buƙatar duka ƙarfin ƙarfi da juriya mai ƙarfi; konewa (share) kayan aikin tsarkakewa na iskar gas.
Chemical masana'antu bututu, kwantena, zafi musayar, ruwan teku bututu a desalination shuke-shuke, man fetur da kuma gas masana'antu kayan aiki, ikon shuka flue gas desulfurization tsarin, wanka kayan aiki, sha hasumiyai, sinadaran ruwa tankers.
