Idan ya zo gawalda bakin karfe zuwa bakin karfe, ɗaya daga cikin tambayoyin da injiniyoyi da masu ƙera kayayyaki suka fi yi ita ce:
"Shin ya kamata in yi amfani da ƙarfe mai cike 308 ko 309?"
Dukansu 308 da 309 suna dakayan cika bakin ƙarfe na austeniticana amfani da su sosai wajen ƙera da gyaran gine-ginen bakin ƙarfe. Duk da haka, suna da amfani daban-daban dangane daTsarin ƙarfe na tushe, yanayin walda, da yanayin sabis.
A cikin wannan cikakken labarin,SAKYSTEL, wani kamfani mai kera kuma mai fitar da bakin karfe a duniya, ya bayyanabambance-bambance tsakanin ƙarfe masu cika bakin ƙarfe 308 da 309, halayen sinadarai da na ƙarfe, da kuma wanne ya fi aiki mafi kyau ga aikace-aikacen walda daga bakin zuwa bakin ƙarfe.
1. Gabatarwa ga Karfe Bakin Karfe 308 da 309
Bakin Karfe 308
Bakin ƙarfe 308(UNS S30800)austenitic chromium-nickel gamian tsara shi musamman don waldaKarfe 304 da 304L na bakin karfeYa ƙunshi kewaye20% chromiumkuma10% nickel, yana ba shi kyakkyawan juriya ga tsatsa da kuma kyakkyawan sauƙin walda.
Saboda irin wannan abun da ke ciki da 304, 308 filler shinezaɓi na yau da kullunlokacin da aka haɗa ƙarfe 304 zuwa 304 ko wasu ƙarfe 300 masu jerin bakin ƙarfe a cikin mahalli marasa tsanani.
Bakin Karfe 309
309 bakin karfe(UNS S30900) kuma wani ƙarfe ne na austenitic chromium-nickel, amma yana ɗauke damafi girman chromium (≈23%)kumanickel (≈13%)fiye da 308. Wannan ya sa ya fijuriya ga iskar oxygen, gajiyar zafi, da kuma ƙiba a yanayin zafi mai yawa.
An ƙirƙira shi a matsayinmatakin juriya ga zafi, yanzu ana amfani da 309 azamanƙarfe mai cikewa mai canzawadon haɗa ƙarfe marasa kama da juna da kuma don walda tsakanin ƙarfe mara kama da ƙarfe mai carbon.
2. Sinadaran da ke cikinsa
Sinadarin sinadarai yana ƙayyade yadda kowanne ƙarfe ke aiki yayin walda da kuma bayan walda.
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Haɗin Bakin Karfe 308:
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Chromium: 19–21%
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Nickel: 9–11%
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Carbon: ≤0.08%
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Manganese: ≤2%
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Silicon: ≤1%
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Haɗin Bakin Karfe 309:
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Chromium: 22–24%
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Nickel: 12–15%
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Carbon: ≤0.08%
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Manganese: ≤2%
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Silicon: ≤1%
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Babban Bambanci:
309 yana damafi girman abun ciki na ƙarfe, inganta juriya gazafi da kuma iskar shakaamma yin hakan kadanya fi tsadafiye da 308.
3. Tsarin ƙasa da Halayen Ƙarfe
Dukansu 308 da 309 suna daausteniticƙarfe mai bakin ƙarfe, ma'ana tsarin lu'ulu'unsu shinemai siffar cubic mai tsakiya fuska (FCC)Wannan yana ba su kyakkyawan juriya, tauri, da juriyar tsatsa.
Duk da haka, suabun ciki na ferritebayan ƙarfafawa ya bambanta:
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ƙarfe na walda 308 yawanci yana ƙunshe daferrite 3–10%, wanda ke rage fashewa mai zafi.
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ƙarfe na walda 309 yana da sauƙin amfanibabban abun ciki na ferrite(har zuwa 15%), yana inganta juriya ga fashewa mai ƙarfi a ƙarƙashin zafi mai zafi.
Don haka, 309 ya fi kyau gawalda sassa masu kauri ko kayan aiki tare da shigarwar zafi mai yawa, inda fashewar abu ne mai ban tsoro.
4. Aikace-aikacen walda na 308
ƙarfe mai cikawa 308shine ma'aunin masana'antu don waldabakin ƙarfe na austenitickamar 304, 304L, da 301.
Amfanin da Aka Saba Amfani da su:
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Walda304/304L zuwa 304/304L
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Ƙirƙiratankuna, bututu, da kayan aikin gini
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Kayan aikin sarrafa abinci da abin sha
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Aikace-aikacen gine-gine da ado
Ana amfani da 308L (ƙarancin sigar carbon) sau da yawa don hana gurɓatar iskaruwan sama mai dauke da carbideda kuma kiyaye juriyar tsatsa a cikingidajen haɗin gwiwa kamar yadda aka haɗaba tare da maganin zafi bayan walda ba.
Fa'idodin 308:
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Kyakkyawan dacewa ga ƙarfe 304 da makamantansu na bakin ƙarfe
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Kyakkyawan bayyanar walda da kuma sauƙin cire slag
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Yana kiyaye juriyar tsatsa a mafi yawan muhalli
Iyakoki:
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Ba shi da kyau don amfani da yanayin zafi mai zafi sama da 800°C
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Bai dace da haɗa bakin ƙarfe zuwa ƙarfen carbon ba
5. Aikace-aikacen walda na 309
ƙarfe mai cikawa 309an tsara shi ne donmafi girman abun ciki na ƙarfekumajituwa mai faɗifiye da 308.
Amfanin da Aka Saba Amfani da su:
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Waldabakin karfe zuwa carbon steel ko low alloy steel
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Shigaƙarfe daban-daban na bakin ƙarfe(misali, 304 zuwa 310, ko 316 zuwa 321)
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Gyara walda na matakan bakin karfe da ba a san su ba
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Abubuwan da ke da zafi mai yawa kamarsassan murhu, musayar zafi, da tsarin shaye-shaye
Mafi girman sinadarin chromium da nickel na 309 yana ba shi damar yin hakanjure rashin daidaiton abun cikitsakanin ƙarfe daban-daban ba tare da tsagewa ko tsatsa ba.
Fa'idodin 309:
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Kyakkyawan juriya ga iskar shaka da haɓaka zafi har zuwa 1100 ° C
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Haƙuri mai kyau ga ƙarfe masu gauraye ko waɗanda ba a sani ba
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Rage tsagewar yayin walda mai zafi sosai
Iyakoki:
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Ya ɗan fi tsada fiye da 308
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Yawan daidaitawa na iya rage sassauci ga walda na takarda mai siriri
6. Juriyar Tsatsa
Duk waɗannan matakan suna ba da kyakkyawan juriya ga tsatsa, amma yanayin sabis yana ƙayyade wanne ya fi aiki.
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308:Fitaccen a cikinyanayin yanayi da yanayi mai sauƙi na sinadarai, kama da bakin karfe 304.
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309:Mafi kyau a cikinyanayin iskar oxygen da yanayin zafi mai yawa, jure yanayin zafi ba tare da scaling ko carburetion ba.
DominMuhalli mai arzikin ruwa ko chloride, babu 308 ko 309 da ke aiki kamar yadda yake a cikin ma'aunin da ke ɗauke da molybdenum kamar 316 ko 317.
Duk da haka, donkayan aikin zafi na masana'antu da haɗin gwiwa na canji, 309 a bayyane yake ya fi 308.
7. Juriyar Zafin Jiki Mai Girma
Wannan yana ɗaya daga cikin mahimman bambance-bambance tsakanin 308 da 309.
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308:Yana aiki da kyau har zuwa870°C (1600°F)kafin a rasa ƙarfi da juriya ga iskar shaka.
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309:Yana kiyaye mutunci har zuwa1100°C (2010°F), yana mai da shi ya dace datsarin murhu da shaye-shaye.
Don haka, idan haɗin da aka haɗa ya fallasadumama mai ci gaba ko mai zagaye, 309 shine mafi kyawun zaɓi.
8. Kayayyakin Inji
Kayayyakin injiniya na yau da kullun ga ƙarfe masu cikawa (yanayin ajiya na walda):
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308:
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Ƙarfin Tashin Hankali: ~550 MPa
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Ƙarfin Yawa: ~350 MPa
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Ƙarawa: 35%
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309:
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Ƙarfin Tashin Hankali: ~620 MPa
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Ƙarfin Yawa: ~420 MPa
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Ƙarawa: 35%
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Kammalawa:
Walda 309 sun fi ƙarfi kuma sun fi juriya ga lalacewar yanayin zafi mai yawa, yayin da walda 308 sun fi laushi kuma sun fi sauƙin gamawa don aikace-aikacen kyau ko tsafta.
9. Walda da Ƙirƙira
Dukansu 308 da 309 suna dakyakkyawan sauƙin waldakuma ana iya amfani da shi tare da duk hanyoyin gama gari -GTAW (TIG), GMAW (MIG), SMAW (Stick), da FCAW (Flux-Cored).
Duk da haka, yi la'akari da waɗannan:
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Amfani308Llokacin da ake walda ƙarfe marasa carbon don hana tsatsa tsakanin granular.
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Amfani309lokacin haɗa ƙarfe daban-daban ko kuma lokacin da ba a san ainihin abun da ke cikin tushe ba.
Don guje wa fashewa,sarrafa shigarwar zafikumaa kiyaye zafin da ke tsakanin wurare a ƙasa da 150°C.
10. Karfe Masu Daidaita
Ka'ida ta gaba ɗaya:
| Hadin Karfe na Tushe | Abin Cika da Aka Ba da Shawara |
|---|---|
| 304 zuwa 304 | 308 ko 308L |
| Daga 304 zuwa 316 | 309 ko 309L |
| 304 zuwa Carbon Karfe | 309 |
| 310 zuwa 304 | 309 |
| Daga 316 zuwa 316 | 316L ko 309 |
Daga nan, za ku iya ganiAna amfani da 308 don daidaitawa, yayin daAna amfani da 309 don haɗa hanyoyin haɗin gwiwatsakanin kayan aiki daban-daban.
11. Maganin Zafi da Abubuwan da Za a Yi La'akari da su Bayan Walda
Babu buƙatar 308 ko 309maganin zafi bayan waldaa cikin yanayi na yau da kullun. Duk da haka, a cikin mawuyacin aiki inda ruwan sama mai dauke da carbide zai iya faruwa,matakin da ya daidaita (308L ko 309L)ana ba da shawarar.
Ga sassan jiki masu kauri ko gidajen haɗin gwiwa masu ƙarfi,rage zafi a 1040–1120°Cbayan haka sanyaya da sauri na iya dawo da juriyar danshi da kuma tsatsa.
12. Kwatanta Farashi
Gabaɗaya,309 ya fi tsada 10–15%fiye da 308 saboda yawan sinadarin nickel da chromium da ke cikinsa.
Duk da haka, amfani da 309 zai iya ceton kuɗi a cikin dogon lokaci yayin da ake mu'amala da shiwalda daban-daban ko fallasa yanayin zafi mai yawa, domin yana hana tsagewa da kuma gazawar haɗin gwiwa da wuri.
Idan aikace-aikacen ya ƙunshihaɗin gwiwa masu sauƙi marasa bakin ƙarfe zuwa bakin ƙarfe a ƙarƙashin yanayin zafi na al'ada, 308 shinezaɓi mafi araha.
13. Wanne Ya Fi Kyau Ga Walda Mai Bakin Karfe Zuwa Bakin Karfe?
Amsar ta dogara gaba ɗaya akanana haɗa matakan bakin ƙarfekumayanayin sabis ɗin:
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Domin304 zuwa 304 or makamantan ƙarfe, zaɓi308(ko lita 308).
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Domin304 zuwa 316, 304 zuwa 310, ko kuma ƙarfe daban-daban na bakin ƙarfe, zaɓi309.
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Dominba a sani ba ko gaurayen maki na bakin karfe, 309yana ba da haƙuri mafi kyau da kuma ƙarancin haɗarin fashewa.
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Dominfallasa zafin jiki mai yawa (tanda, shaye-shaye), 309yana aiki mafi kyau.
14. Misali Mai Amfani
Ka yi tunanin waldaBututun bakin karfe 304L zuwa flange mai bakin karfe 310:
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Amfani da308na iya haifar da matsalolin narkewa da fashewa mai zafi saboda rashin daidaiton abun da ke ciki.
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Amfani da309yana ramawa da ƙarin chromium da nickel, yana ƙirƙirar ƙarfe mai daidaito tare da tsatsa mai ƙarfi da juriya ga zafi.
Saboda haka, donƙera ƙarfe mai yawa, 309 shine zaɓi mafi aminci kuma mafi ɗorewa.
15. Me Yasa Za Ka Zabi SAKYSTEEL A Matsayin Mai Kaya Da Bakin Karfe
Tare da shekaru na ƙwarewa a cikinsamar da bakin karfe, kayan walda, da kuma ƙarfe na masana'antu, SAKYSTELyana samar da duka biyunƙarfe masu cika bakin ƙarfe 308 da 309, wayoyi, da sanduna waɗanda suka cika ƙa'idodin ƙasashen duniya kamarAWS A5.9, ASTM A240, da EN ISO 14343.
Muna samarwa:
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ER308, ER308L, ER309, ER309L TIG da wayoyi na MIG
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Faranti, sanduna, da bututun ƙarfe na bakin ƙarfe a duk manyan matakan
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CikakkeTakaddun shaida na gwaji na injin 3.1 / 3.2
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Marufi na musamman da jigilar kaya cikin sauri a duniya
Ko kuna ƙera tankunan abinci ko kayan da ke jure zafi,SAKYSTELyana ba da inganci mai ɗorewa, aiki mai inganci, da kuma sabis na ƙwararru a duk duniya.
16. Tunani na Ƙarshe
Lokacin zabar tsakanin308 da 309donwalda daga bakin karfe zuwa bakin karfe, yi la'akari damatakan ƙarfe, zafin aiki, kumamuhallin lalata.
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308ya dace dawalda mai nau'in ƙarfe iri ɗaya, yana ba da daidaito, tattalin arziki, da sauƙin amfani.
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309yana da kyau gaba iri ɗaya ba, mai yawan zafin jiki, ko kuma ƙarfe marasa tabbas, tabbatar da cewa gidajen haɗin gwiwa masu ƙarfi, marasa fashewa, kuma masu jure zafi.
Dukansu ƙarfe kayan aiki ne masu mahimmanci ga masu walda da injiniyoyi - kuma zaɓar wanda ya dace yana tabbatar da aiki na dogon lokaci, aminci, da dorewa a cikin kowane aikin ƙera bakin ƙarfe.
Don samun takaddun kayan walda na bakin ƙarfe da jagorar fasaha, tuntuɓiSAKYSTEL- amintaccen abokin tarayya donƙarfe masu inganci da kayan aikin walda.
Lokacin Saƙo: Oktoba-22-2025