304H Bakin Karfe Bututu

BAYANI

304H shine bakin karfe austenitic, wanda ke da 18-19% chromium da 8-11% nickel tare da iyakar 0.08% carbon. 304H bakin karfe bututu ne mafi m da kuma yadu amfani da bututu a cikin bakin karfe iyali. Suna nuna kyakkyawan juriya na lalata, babban ƙarfi, babban sauƙi na ƙirƙira, da ingantaccen tsari. Don haka, ana amfani da su don aikace-aikacen gida iri-iri da kasuwanci. 304H bakin karfe yana da abun ciki mai sarrafa carbon na 0.04 zuwa 0.10. Wannan yana ba da ingantaccen ƙarfin zafin jiki mai ƙarfi, har ma sama da 800o F. Idan aka kwatanta da 304L, bututun bakin karfe na 304H suna da ƙarfin ɗan gajeren lokaci da ƙarfi na dogon lokaci. Har ila yau, sun fi tsayayya da hankali fiye da 304L.

304H BABBAN BUBUWAN KARFE

Abubuwan da aka ambata a ƙasa sune mahimman halaye na bututun bakin karfe na 304H wanda Arch City Steel & Alloy ke bayarwa:

Juriya mai zafi:

  • Ya dace da aikace-aikacen zafin jiki mai girma, saboda yana ba da ƙarfi mafi girma a yanayin zafi sama da 500 ° C kuma har zuwa 800 ° C.

  • Grade 304H yana ba da kyakkyawan juriya na iskar shaka a cikin sabis na wucin gadi zuwa 870 ° C kuma a ci gaba da sabis zuwa 920 ° C

  • Ya zama mai hankali a cikin kewayon zafin jiki na 425-860 ° C; don haka ba a ba da shawarar idan ana buƙatar juriyar lalata mai ruwa.

Juriya na Lalata:

  • Kyakkyawan juriya ga lalatawa a cikin mahallin oxidizing, da matsakaicin matsakaicin acid Organic saboda kasancewar chromium da nickel bi da bi.

  • Yana yin iri ɗaya a yawancin wurare masu lalata

  • Yana iya nuna ƙarancin lalata idan aka kwatanta da mafi girman darajar carbon 304.

Weldability:

  • Shirye-shiryen waldawa ta yawancin daidaitattun matakai.

  • Ana iya buƙatar anneal bayan walda

  • Annealing yana taimakawa wajen dawo da juriyar lalata da aka rasa ta hanyar wayar da kan jama'a.

Sarrafa:

  • Shawarar yanayin aiki na 1652-2102°F
  • Ya kamata a shafe bututu ko bututu a 1900 ° F
  • Abu ya kamata a kashe ruwa ko a sanyaya cikin sauri
  • 304H sa ne quite ductile da siffofin sauƙi
  • Cold forming yana taimaka ƙara ƙarfi da taurin sa 304H
  • Cold forming na iya sa gami ɗan ɗanɗano Magnetic

Kayan aiki:

  • Ana samun sakamako mafi kyau a hankali a hankali, mai kyau mai kyau, abinci mai nauyi, da kayan aiki mai kaifi

  • Batun aiki hardening da guntu karya a lokacin nakasawa.

Aikace-aikace na Grade 304H Bakin Karfe Bututu

Wasu misalan aikace-aikacen da aka fi amfani da maki 304H don sun haɗa da:

  • Matatun mai
  • Boilers
  • Bututun ruwa
  • Masu musayar zafi
  • Condensers
  • Ruwan shaye-shaye
  • Hasumiya mai sanyi
  • Matakan samar da wutar lantarki
  • Wani lokaci ana amfani dashi a cikin taki da tsire-tsire masu sinadarai

HADIN KASHIN KIMIYYA

Haɗin Kan Sinadari % (mafi yawan ƙima, sai dai in an lura)
Daraja Cr Ni C Si Mn P S N
304H min: 18.0
max:20.0		 min: 8.0
max: 10.5		 min: 0.04
max:0.10		 0.75
max		 2.0
max		 0.045
max		 0.03
max		 0.10
max
Lokacin aikawa: Oktoba-09-2020