Alloy 347H ne stabilized, austenitic, chromium karfe dauke da columbium wanda damar domin kawar da carbide hazo, kuma, sabili da haka, intergranualr lalata.Alloy 347 yana daidaitawa ta hanyar ƙari na chromium da tantalum kuma yana ba da mafi girman kaddarorin ɓarke da damuwa fiye da alloy 304 da 304L waɗanda kuma za'a iya amfani da su don bayyanawa inda hankali da lalata intergranualr ke damuwa.Bugu da ƙari na columbium kuma yana ba da damar Alloy 347 don samun kyakkyawan juriya na lalata, har ma fiye da na alloy 321. 347H shine mafi girman nau'in abun da ke ciki na Alloy 347 kuma yana nuna ingantaccen yanayin zafi da kaddarorin masu rarrafe.Haosteel Stainless Inventory yanzu ya haɗa da Alloy 347/347H (UNS S34700/S34709) a cikin takarda, coil, faranti, mashaya zagaye, sandar lebur da aka sarrafa da samfuran tubular.
347H bakin karfe sinadaran abun da ke ciki
Abubuwan sinadaran:
| C | Si | Mn | P | S | Cr | Ni | Nb |
| 0.04-0.1 | ≤ 0.75 | ≤ 2.0 | ≤ 0.045 | ≤ 0.03 | 17.0 - 19.0 | 9.0 - 13.0 | 8C - 1.0 |
347H bakin karfe sinadaran abun da ke ciki
Na zahiriKaddarori:
An rufe:
Ƙarfin Ƙarfin Ƙarfi - 75KSI min (minti 515 MPA)
Ƙarfin Haɓaka (0.2%) -30 KSI min (minti 205 MPA)
Tsawaitawa - 40% min
Hardness - HRB92max (201HV max)
Aikace-aikace
Ana amfani da Alloy 347H akai-akai don ƙirƙira kayan aiki, waɗanda dole ne a sanya su cikin sabis a ƙarƙashin mummunan yanayi mara kyau, kuma ya zama ruwan dare ga masana'antar tace mai.
Juriya na Lalata:
.Yana ba da juriya iri ɗaya ga gabaɗaya, lalata gabaɗaya kamar Alloy 304
.Ana amfani dashi don aikace-aikace inda gami kamar Alloy 304 ke da rauni ga lalatawar intergranualr.
.Gabaɗaya ana amfani da su don kayan aikin waldawa masu nauyi waɗanda ba za a iya shafe su ba da kuma kayan aiki
wanda ake aiki tsakanin 800 zuwa 150F (427 TO 816°C)
.An fi son Alloy 347 akan Alloy 321 don ruwa da sauran ƙananan yanayin zafi
.Ana amfani da shi da farko a cikin yanayin zafi mai zafi inda juriya ga hankali ya zama dole, bi da bi yana hana lalata intergranualr a ƙananan matakan.
.Mai saukin kamuwa ga lalata lalata
.Yana nuna juriya da iskar shaka mai kama da duk sauran 18-8 austenitic bakin karfe
Lokacin aikawa: Fabrairu-12-2023