347H bakin karfe nada tube
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 nada tube
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 |
Na zahiriKaddarori:
347H bakin karfe nada tube
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)
