Duplex Bakin Karfe Nadawa

Hoton da aka Fitar da Na'urar Karfe Mai Duplex

Takaitaccen Bayani:

MatsayiASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988 SAE J405da sauransu.

Standard: AISI, ASTM, DIN, EN, GB, ISO, JIS

Tsawon: 2000mm, 2438mm, 3000mm, 5800mm, 6000mm, ko kuma kamar yadda abokin ciniki yake buƙata

Faɗi: 20mm - 2000mm, ko kuma kamar yadda abokin ciniki yake buƙata

Kauri: 0.1mm -200mm

Fuskar: 2B 2D BA (Mai haske) No1 No3 No4 No5 No8 8K HL (Layin Gashi)

Farashin Lokaci: CIF CFR FOB EXW

Lokacin isarwa: A cikin kwanaki 10-15 bayan tabbatar da oda

Lokacin biyan kuɗi: 30% TT a matsayin ajiya da kuma ma'auni akan kwafin B/Lko LC

Aika mana imel WhatsApp Amy@jindalaisteel.com

Cikakken Bayani game da Samfurin

Alamun Samfura

Bayani na Duplex Bakin Karfe

An bambanta ƙarfe mai ƙarfi da ƙarfin duplex na yau da kullun daga ma'aunin duplex na yau da kullun ta hanyar ingantattun kaddarorinsa masu jure tsatsa. Abu ne mai haɗakar ƙarfe mai ƙarfi tare da yawan abubuwan hana tsatsa kamar chromium (Cr) da molybdenum (Mo). Babban ƙarfe mai ƙarfi da ƙarfin duplex, S32750, ya ƙunshi har zuwa 28.0% chromium, 3.5% molybdenum, da 8.0% nickel (Ni). Waɗannan abubuwan suna ba da juriya ta musamman ga sinadarai masu lalata, gami da acid, chlorides, da mafita na caustic.

Gabaɗaya, ƙarfe mai ƙarfi da duplex na bakin ƙarfe suna ginawa bisa ga fa'idodin da aka kafa na ma'aunin duplex tare da ingantaccen kwanciyar hankali na sinadarai. Wannan ya sa ya zama kyakkyawan matsayi don ƙera muhimman abubuwa a ɓangaren man fetur, kamar masu musayar zafi, tukunyar ruwa, da kayan aikin tasoshin matsin lamba.

Kayan aikin Inji na Duplex Bakin Karfe

Maki	ASTM A789 Grade S32520 An Yi Wa Zafi	ASTM A790 Grade S31803 An Yi Wa Zafi	ASTM A790 Grade S32304 An Yi Wa Zafi	ASTM A815 Grade S32550 An Yi Wa Zafi	ASTM A815 Grade S32205 An Yi Wa Zafi
Modulus mai laushi	200 GPa	200 GPa	200 GPa	200 GPa	200 GPa
Ƙarawa	Kashi 25%	Kashi 25%	Kashi 25%	Kashi 15%	Kashi 20%
Ƙarfin Taurin Kai	770 MPa	620 MPa	600 MPa	800 MPa	655 MPa
Taurin Brinell	310	290	290	302	290
Ƙarfin Ba da Kyauta	550 MPa	450 MPa	400 MPa	550 MPa	450 MPa
Ma'aunin faɗaɗa zafin jiki	1E-5 1/K	1E-5 1/K	1E-5 1/K	1E-5 1/K	1E-5 1/K
Ƙarfin Zafi na Musamman	440 – 502 J/(kg·K)	440 – 502 J/(kg·K)	440 – 502 J/(kg·K)	440 – 502 J/(kg·K)	440 – 502 J/(kg·K)
Tsarin kwararar zafi	13 – 30 W/(m·K)	13 – 30 W/(m·K)	13 – 30 W/(m·K)	13 – 30 W/(m·K)	13 – 30 W/(m·K)

Rarrabuwa na Duplex Bakin Karfe

l Nau'in farko shine ƙarancin ƙarfe, tare da matsakaicin matakin UNS S32304 (23Cr-4Ni-0.1N). Karfe bai ƙunshi molybdenum ba, kuma ƙimar PREN shine 24-25. Ana iya amfani da shi maimakon AISI304 ko 316 a cikin juriya ga tsatsa.

Nau'i na biyu ya shafi nau'in ƙarfe mai matsakaicin ƙarfi, alamar da aka wakilta ita ce UNS S31803 (22Cr-5Ni-3Mo-0.15N), ƙimar PREN ita ce 32-33, kuma juriyar tsatsa tana tsakanin ƙarfe mai ƙarfi na AISI 316L da 6% Mo+N austenitic.

l Nau'i na uku yana da nau'in ƙarfe mai yawa, wanda gabaɗaya ya ƙunshi 25% Cr, molybdenum da nitrogen, wasu kuma suna ɗauke da jan ƙarfe da tungsten. Matsakaicin ƙimar UNSS32550 (25Cr-6Ni-3Mo-2Cu-0.2N), ƙimar PREN shine 38-39, kuma juriyar tsatsa na wannan nau'in ƙarfe ya fi na 22% Cr duplex bakin ƙarfe.

l Nau'i na huɗu shine ƙarfe mai ƙarfi duplex, wanda ke ɗauke da babban molybdenum da nitrogen. Matsakaicin ma'auni shine UNS S32750 (25Cr-7Ni-3.7Mo-0.3N), wasu kuma suna ɗauke da tungsten da jan ƙarfe. Ƙimar PREN ta fi 40, wanda za a iya amfani da shi a cikin yanayi mai tsauri. Yana da kyawawan juriya ga tsatsa da kuma cikakkun kaddarorin injiniya, waɗanda za a iya kwatanta su da ƙarfe mai ƙarfi na austenitic.

Amfanin Duplex Bakin Karfe

Kamar yadda aka ambata a sama, Duplex yawanci yana aiki mafi kyau fiye da nau'ikan ƙarfe daban-daban da ake samu a cikin ƙaramin tsarinsa. Mafi kyau a faɗi, haɗuwar halaye masu kyau daga abubuwan austenite da ferrite yana ba da mafita mafi kyau ga yawancin yanayi na samarwa.

l Halayen hana tsatsa – Tasirin molybdenum, chromium, da nitrogen akan juriyar tsatsa na ƙarfen Duplex yana da yawa. Halayen Duplex da yawa na iya daidaitawa da wuce ƙarfin aikin hana tsatsa na shahararrun ma'aunin austenitic, gami da 304 da 316. Suna da tasiri musamman akan tsatsa da tsatsa.

Tsagewar tsagewar damuwa - SSC yana faruwa ne sakamakon abubuwa da dama na yanayi - zafin jiki da danshi sune mafi bayyana. Tsagewar damuwa kawai yana ƙara wa matsalar. Matsakaicin austenitic na yau da kullun yana da saurin kamuwa da tsagewar damuwa - Duplex bakin karfe ba haka bane.

l Tauri - Duplex ya fi ƙarfe ferritic tauri - ko da a ƙananan yanayin zafi yayin da bai dace da aikin ma'aunin austenitic a wannan fanni ba.

l Ƙarfi - Haɗaɗɗen ƙarfe na duplex na iya zama har sau biyu mafi ƙarfi fiye da tsarin austenitic da ferritic. Ƙarfi mafi girma yana nufin ƙarfe yana da ƙarfi koda kuwa kauri ya ragu wanda hakan yana da mahimmanci musamman don rage matakan nauyi.