321 murfin birgima mai baƙin ƙarfe

Short Bayani:

321 bakin karfe karfe ne mai karfin karfi, wanda yafi jure yanayin zafi sama da 316L. Yana da kyakkyawar juriya ta lalata lahani a cikin kwayoyin acid a yanayi daban-daban da kuma a yanayin zafi daban-daban, musamman a kafofin yada labarai na shayarwa. 321 bakin karfe galibi ana amfani dashi don ƙera bututu, kwantena masu ƙarfin acid da kayan aiki masu jure sutura.


Bayanin Samfura

Alamar samfur

Sino Bakin Karfe Karfin game da 321 / 321H Zafafa narkakken bakin karfe , 321 / 321H HRC

Kauri: 1.2mm - 10mm

Nisa: 600mm - 2000mm, kayanda suka matse don Allah a duba kayayyakin tsiri

Max nauyi nauyi: 40MT

Nadin ID: 508mm, 610mm

Gama: NO.1, 1D, 2D, # 1, zafi birgima gama, baki, Anneal da pickling, mill gama

321 Daraja ɗaya daga mizanin ƙasar daban

1,4541 SUS321 S32168 S32100 06Cr18Ni11Ti 0Cr18Ni10Ti

321 Kayan aikin sinadarai ASTM A240:

C.0.08 Si 0.75  Mn 2.0 Cr 17.019.0 Ni 9.012.0, S .00.03 P .00.045 N: 0.1, Ti: 5X (C + N) Min 0.70Max

321H Kayan aikin sinadarai ASTM A240:

C0.040.1 Si 0.75  Mn 2.0 Cr 17.019.0 Ni 9.012.0, S .00.03 P .00.045 N: 0.1, Ti: 4X (C + N) Min 0.70Max

321 / 321H kayan aikin inji ASTM A240:

Arfin ƙarfi:> 515 Mpa

Arfin Yiarfi:> 205 Mpa

Tsawaita (%):> 40%

Taurin kai: <HRB95

Bayani game da 321 / 321H bakin karfe da kwatankwacin 304 na al'ada

Dukansu 304 da 321 jerin ƙarfe 300 ne waɗanda ba su da ƙarfi kuma ba su da bambanci kaɗan a juriya lalata. Koyaya, a cikin yanayin juriya na zafin jiki na 500-600 digiri Celsius, ana amfani da baƙin ƙarfe 321 na baƙin ƙarfe mafi yawa. Kari akan haka, an habaka karfe mai juriya mai zafi musamman a kasashen waje kuma ana kiran sa 321H. Abun da yake cikin carbon ya dan fi na 321 kadan, kwatankwacin na cikin gida 1Cr18Ni9Ti. Ana ƙara adadin Ti da ya dace a cikin bakin ƙarfe don inganta juriyarsa zuwa lalatawar intergranular. Wannan ya faru ne saboda cewa a farkon matakin samar da bakin karfe, saboda fasahar narkar da kayan ba ta isa ta rage sinadarin carbon a cikin karafan ba, zai yiwu ne kawai a cimma hakan ta hanyar kara wasu abubuwa. Tare da ci gaban fasaha, ya kasance ya yiwu a samar da ƙananan carbon da ƙananan ƙananan carbon bakin ƙarfe. Saboda haka, an yi amfani da kayan 304 sosai. A wannan lokacin, halayen juriya mai zafi na 321 ko 321H ko 1Cr18Ni9Ti sun bayyana.

304 shine 0Cr18Ni9Ti, 321 ya dogara ne akan 304 tare da Ti don haɓaka yanayin lalata tsakanin tsaka-tsakin.

321 bakin karfe wanda a cikinsa Ti ya kasance a matsayin abu mai karfafa gwiwa, amma kuma nau'ikan karfe ne mai karfin-zafi, ya fi 316L kyau sosai. 321 bakin karfe a cikin kwayoyin acid na hadaddun abubuwa daban-daban, yanayin zafin jiki daban-daban, musamman a cikin matsakaicin matsakaici Kyakkyawan juriya abrasion, wanda aka yi amfani da shi don yin kayan shafawa da isar da bututu don kwantena na acid masu lalacewa da kayan aiki masu jure jiki.

321 bakin karfe shine irin Ni-Cr-Mo nau'in austenitic bakin karfe, aikinsa yayi kama da 304, amma saboda karin titanium na karafa, yana da kyakykyawar juriya ga lalatawar hatsi da karfin zazzabi mai karfi. Dangane da ƙari na ƙarfe na ƙarfe, yana sarrafa tasirin chromium carbide yadda yakamata.

321 bakin karfe yana da kyakkyawar damuwa Rupture yi da kuma karfin zafin jiki mai karfi (Creep Resistance) kayan aikin danniya masu kyau sun fi 304 bakin karfe.


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